papers

Publications (257)

physics.optics2021

Universal behavior of the scattering matrix near thresholds in photonics

Charles C. Wojcik, Haiwen Wang, Meir Orenstein +1

Scattering thresholds and their associated spectral square root branch points are ubiquitous in photonics. In this Letter, we show that the scattering matrix has a simple universal…

physics.optics2018

Localization and time-reversal of light through dynamic modulation

Momchil Minkov, Shanhui Fan

We study the dynamics of a waveguide made of coupled resonators with a sinusoidal modulation of the resonance frequencies. We present a modulation scheme that achieves complete dyn…

physics.comp-ph2019

Accelerating Adjoint Variable Method Based Photonic Optimization with Schur Complement Domain Decomposition

Nathan Zhao, Salim Boutami, Shanhui Fan

Adjoint variable method in combination with gradient descent optimization has been widely used for the inverse design of nanophotonic devices. In many of such optimizations, the de…

physics.optics2017

Complete photonic bandgaps in supercell photonic crystals

Alexander Cerjan, Shanhui Fan

We develop a class of supercell photonic crystals supporting complete photonic bandgaps based on breaking spatial symmetries of the underlying primitive photonic crystal. One membe…

physics.optics2019

Broadband optical switch based on an achromatic photonic gauge potential in dynamically modulated waveguides

Ian A. D. Williamson, Shanhui Fan

We demonstrate that a photonic gauge potential, which arises from the phase degree of freedom in dynamic refractive-index modulation and hence is achormatic, can be used to achieve…

quant-ph2025

Braiding of dynamical eigenvalues of Hermitian bosonic Kitaev chains

Heming Wang, Shanhui Fan

In quantum mechanics, observables correspond to Hermitian operators, and the spectra are restricted to be real. However, the dynamics of the underlying fields may allow complex eig…

quant-ph2021

Nonequilibrium Casimir effects of nonreciprocal surface waves

Chinmay Khandekar, Siddharth Buddhiraju, Paul R. Wilkinson +4

We show that an isotropic dipolar particle in the vicinity of a substrate made of nonreciprocal plasmonic materials can experience a lateral Casimir force and torque when the parti…

physics.optics2020

Inverse design of lightweight broadband reflector for efficient lightsail propulsion

Weiliang Jin, Wei Li, Meir Orenstein +1

Light can exert forces on objects, promising to propel a meter-scale lightsail to near the speed of light. The key to address many challenges in such an ambition hinges on the nano…

physics.optics2017

Thermodynamic Limits of Energy Harvesting from Outgoing Thermal Radiation

Siddharth Buddhiraju, Parthiban Santhanam, Shanhui Fan

We derive the thermodynamic limits of harvesting power from the outgoing thermal radiation from the ambient to the cold outer space. The derivations are based on a duality relation…

physics.optics2017

Achieving arbitrary polarization control using complex birefringent meta-materials

Alexander Cerjan, Shanhui Fan

We demonstrate that the key to realizing arbitrary control over pairs of polarization states of light, i.e. transforming an arbitrarily polarized pair of input states to an arbitra…

quant-ph2012

Two-photon transport through a waveguide coupling to a whispering gallery resonator containing an atom and photon-blockade effect

T. Shi, Shanhui Fan

We investigate the two-photon transport through a waveguide side-coupling to a whispering-gallery-atom system. Using the Lehmann-Symanzik-Zimmermann (LSZ) reduction approach, we pr…

quant-ph2024

Automated modal analysis of entanglement with bipartite self-configuring optics

Charles Roques-Carmes, Aviv Karnieli, David A. B. Miller +1

Entanglement is a unique feature of quantum mechanics. In coupled systems of light and matter, entanglement manifests itself in the linear superposition of multipartite quantum sta…

physics.optics2020

Three-dimensional random dielectric colloid metamaterial with giant isotropic optical activity

Viktar Asadchy, Cheng Guo, Ihar Faniayeu +1

Motivated by the theoretical observation that isotropic chirality can exist even in completely random systems, we design a dielectric metamaterial consisting of a random colloid of…

quant-ph2012

Stimulated Emission from a single excited atom in a waveguide

Eden Rephaeli, Shanhui Fan

We study stimulated emission from an excited two-level atom coupled to a waveguide containing an incident single-photon pulse. We show that the strong photon correlation, as induce…

physics.optics2010

Angular constraint on light-trapping absorption enhancement in solar cells

Zongfu Yu, Shanhui Fan

Light trapping for solar cells can reduce production cost and improve energy conversion efficiency. Understanding some of the basic theoretical constraints on light trapping is the…

quant-ph2024

Detecting the relative phase between different frequency components of a photon using a three-level atom coupled to a waveguide

Janet Zhong, Rituraj, Fatih Dinc +1

We study the scattering of a single photon propagating along a waveguide in an arbitrary superposition state two frequencies with a single three-level atom in a superposition…

physics.optics2022

Time reflection and refraction in synthetic frequency dimension

Olivia Y. Long, Kai Wang, Avik Dutt +1

The duality of space and time in Maxwell's equations has prompted interest in time boundaries and the accompanying temporal analog of spatial reflection and refraction. However, ac…

physics.optics2025

Quantum-coherent optical isolation and circulation using frequency conversion on a chip

Jierui Hu, Hao Yuan, Joshua Akin +2

Breaking optical reciprocity enables new regimes of light--matter interaction with broad implications for fundamental physics and emerging quantum technologies. Although various ap…

physics.optics2016

Hyperbolic Weyl point in reciprocal chiral metamaterial

Meng Xiao, Qian Lin, Shanhui Fan

We report the existence of Weyl points in a class of non-central symmetric metamaterials, which has time reversal symmetry, but does not have inversion symmetry due to chiral coupl…

physics.optics2017

Creating anyons from photons using a nonlinear resonator lattice subject to dynamic modulation

Luqi Yuan, Meng Xiao, Shanshan Xu +1

We study a one-dimensional photonic resonator lattice with Kerr nonlinearity under the dynamic modulation. With an appropriate choice of the modulation frequency and phase, we find…

physics.optics2020

Doubly resonant second-harmonic generation of a vortex beam from a bound state in the continuum

Jun Wang, Marco Clementi, Momchil Minkov +7

Second harmonic generation in nonlinear materials can be greatly enhanced by realizing doubly-resonant cavities with high quality factors. However, fulfilling such doubly resonant…

physics.optics2022

Topological spin defects of light

Haiwen Wang, Charles C. Wojcik, Shanhui Fan

Topological defects are found in a variety of systems, and their existence are robust under perturbations due to their topological nature. Here we introduce a new type of topologic…

physics.optics2019

Forward-Mode Differentiation of Maxwell's Equations

Tyler W Hughes, Ian A D Williamson, Momchil Minkov +1

We present a previously unexplored forward-mode differentiation method for Maxwell's equations, with applications in the field of sensitivity analysis. This approach yields exact g…

physics.comp-ph2021

Efficient method for accelerating line searches using a combined Schur complement domain decomposition and Born series expansions in photonic-based adjoint optimization

Nathan Zhao, Salim Boutami, Shanhui Fan

A line search in gradient-based optimization algorithm solves the problem of determining the optimal learning rate for a given gradient or search direction in a single iteration. F…

physics.optics2010

Fundamental limit of light trapping in grating structures

Zongfu Yu, Aaswath Raman, Shanhui Fan

We use a rigorous electromagnetic approach to analyze the fundamental limit of light-trapping enhancement in grating structures. This limit can exceed the bulk limit of 4n^2, but h…

physics.optics2025

Ideal Optical Antimatter using Passive Lossy Materials under Complex Frequency Excitation

Olivia Y. Long, Peter B. Catrysse, Seunghoon Han +1

The original concept of left-handed material has inspired the possibility of optical antimatter, where the effect of light propagation through a medium can be completely cancelled…

physics.optics2025

Universal programmable and self-configuring optical filter

David A. B. Miller, Charles Roques-Carmes, Carson G. Valdez +4

We propose an approach to integrated optical spectral filtering that allows arbitrary programmability, can compensate automatically for imperfections in filter fabrication, allows…

cond-mat.mes-hall2025

Roadmap on Nonlocality in Photonic Materials and Metamaterials

Francesco Monticone, N. Asger Mortensen, Antonio I. Fernández-Domínguez +63

Photonic technologies continue to drive the quest for new optical materials with unprecedented responses. A major frontier in this field is the exploration of nonlocal (spatially d…

physics.optics2021

Thermodynamics of light management in near-field thermophotovoltaics

Georgia T. Papadakis, Meir Orenstein, Eli Yablonovitch +1

We evaluate near-field thermophotovoltaic (TPV) energy conversion systems focusing in particular on their open-circuit voltage (Voc). Unlike previous analyses based largely on nume…

quant-ph2016

General structure of two-photon S matrix in waveguide quantum electrodynamics systems containing a local quantum system with multiple ground states

Shanshan Xu, Shanhui Fan

We present the general structure of two-photon S matrix for a waveguide coupled to a local quantum system that supports multiple ground states. The presence of the multiple ground…

physics.optics2022

Doping-driven topological polaritons in graphene/α-MoO3 heterostructures

Hai Hu, Na Chen, Hanchao Teng +15

Controlling the charge carrier density provides an efficient way to trigger phase transitions and modulate the optoelectronic properties in natural materials. This approach could b…

physics.optics2022

Roadmap on Topological Photonics

Hannah Price, Yidong Chong, Alexander Khanikaev +20

Topological photonics seeks to control the behaviour of the light through the design of protected topological modes in photonic structures. While this approach originated from stud…

physics.optics2024

Control of chirality and directionality of nonlinear metasurface light source via twisting

Huanyu Zhou, Xueqi Ni, Beicheng Lou +3

Metasurfaces have revolutionized nonlinear and quantum light manipulation in the past decade, enabling the design of materials that can tune polarization, frequency, and direction…

quant-ph2019

Photon blockade in weakly-driven cavity QED systems with many emitters

Rahul Trivedi, Marina Radulaski, Kevin A. Fischer +2

We use the scattering matrix formalism to analyze photon blockade in coherently-driven CQED systems with a weak drive. By approximating the weak coherent drive by an input single-…

physics.optics2018

Electronically Programmable Photonic Molecule

Mian Zhang, Cheng Wang, Yaowen Hu +4

Physical systems with discrete energy levels are ubiquitous in nature and are fundamental building blocks of quantum technology. Realizing controllable artifcial atom- and molecule…

cond-mat.mes-hall2024

On-chip multi-degree-of-freedom control of two-dimensional quantum and nonlinear materials

Haoning Tang, Yiting Wang, Xueqi Ni +7

Two-dimensional materials (2DM) and their derived heterostructures have electrical and optical properties that are widely tunable via several approaches, most notably electrostatic…

physics.optics2016

Persistent Directional Current at Equilibrium in Nonreciprocal Many-Body Near Field Electromagnetic Heat Transfer

Linxiao Zhu, Shanhui Fan

We consider the consequence of nonreciprocity in near-field heat transfer by studying systems consisting of magneto-optical nanoparticles.We demonstrate that, in thermal equilibriu…

math.NA2022

Effect of Choices of Boundary Conditions on the Numerical Efficiency of Direct Solutions of Finite Difference frequency Domain Systems with Perfectly Matched Layers

Nathan Zhao, Shanhui Fan

Direct solvers are a common method for solving finite difference frequency domain (FDFD) systems that arise in numerical solutions of Maxwell's equations. In a direct solver, one f…

physics.optics2023

Artificial non-Abelian lattice gauge fields for photons in the synthetic frequency dimension

Dali Cheng, Kai Wang, Shanhui Fan

Non-Abelian gauge fields give rise to nontrivial topological physics. Here we develop a scheme to create an arbitrary SU(2) lattice gauge field for photons in the synthetic frequen…

quant-ph2012

Few-photon single-atom cavity QED with input-output formalism in Fock Space

Eden Rephaeli, Shanhui Fan

The Jaynes-Cummings (JC) system, which describes the interaction between a cavity and a two-level atom, is one of the most important systems in quantum optics. We obtain analytic s…

physics.optics2025

Quadrature-Dependent Lattice Dynamics of Dissipative Microcombs

Eran Lustig, Melissa A. Guidry, Daniil M. Lukin +2

The study of coupled networks with parametric amplification of the vacuum fluctuations has garnered increasing interest due to its intricate physics and potential applications. In…

cs.ET2022

Experimental evaluation of digitally-verifiable photonic computing for blockchain and cryptocurrency

Sunil Pai, Taewon Park, Marshall Ball +9

As blockchain technology and cryptocurrency become increasingly mainstream, ever-increasing energy costs required to maintain the computational power running these decentralized pl…

cs.CV2019

Direct Object Recognition Without Line-of-Sight Using Optical Coherence

Xin Lei, Liangyu He, Yixuan Tan +5

Visual object recognition under situations in which the direct line-of-sight is blocked, such as when it is occluded around the corner, is of practical importance in a wide range o…

quant-ph2023

Universal and ultrafast quantum computation based on free-electron-polariton blockade

Aviv Karnieli, Shai Tsesses, Renwen Yu +4

Cavity quantum electrodynamics (QED), wherein a quantum emitter is coupled to electromagnetic cavity modes, is a powerful platform for implementing quantum sensors, memories, and n…

physics.optics2025

Generating topological non-diffracting beams using high quality factor nonlocal metasurfaces

Dongha Kim, Charles Pelzman, Cheng Guo +3

Non-diffracting optical beams are essential tools in photonics, enabling robust light transport, super-resolution imaging, and spatiotemporal control. While nonlocal metasurfaces h…

quant-ph2023

Quantum correlated photons via a passive nonlinear microcavity

Mengdi Zhao, Yunkai Wang, Shanhui Fan +1

Photons, by nature, typically do not exhibit interactions with each other. Creating photon-photon interactions holds immense importance in both fundamental physics and quantum tech…

physics.optics2025

Programmable Optical Filters Based on Feed-Forward Photonic Meshes

Carson G. Valdez, Anne R. Kroo, Marek Vlk +4

We demonstrate an integrated photonic circuit based on feed forward photonic meshes that can be programmed and reconfigured to perform arbitrary spectral filter functions. We inves…

cond-mat.mes-hall2020

Three-dimensional Chiral Lattice Fermion in Floquet Systems

Xiao-Qi Sun, Meng Xiao, Tomáš Bzdušek +2

We show that the Nielsen-Ninomiya no-go theorem still holds on Floquet lattice: there is an equal number of right-handed and left-handed Weyl points in 3D Floquet lattice. However,…

quant-ph2011

Few photon transport in a waveguide coupled to a pair of collocated two-level atoms

Eden Rephaeli, Sukru Ekin Kocabas, Shanhui Fan

We calculate the one- and two-photon scattering matrices of a pair of collocated non-identical two-level atoms coupled to a waveguide. We show that by proper choice of a two-photon…

physics.app-ph2020

Maximal nighttime electrical power generation via optimal radiative cooling

Lingling Fan, Wei Li, Weiliang Jin +2

We present a systematic optimization of nighttime thermoelectric power generation system utilizing radiative cooling. We show that an electrical power density over 2 W/m2, two orde…

physics.optics2020

Fundamental bounds for scattering from absorptionless electromagnetic structures

Rahul Trivedi, Guillermo Angeris, Logan Su +3

The ability to design the scattering properties of electromagnetic structures is of fundamental interest in optical science and engineering. While there has been great practical su…

physics.optics2021

Photonic modal circulator using temporal refractive-index modulation with spatial inversion symmetry

Jiahui Wang, Jason F. Herrmann, Jeremy D. Witmer +2

It has been demonstrated that dynamic refractive index modulation, which breaks time-reversal symmetry, can be used to create on-chip non-reciprocal photonic devices. In order to a…

physics.optics2026

Band Inversion Flips the Winding of Bound States in the Continuum

Paul Bouteyre, Dung Xuan Nguyen, Loïc Malgrey +10

Bound states in the continuum (BICs) in photonic slabs and metasurfaces appear as polarization singularities in momentum space, characterized by an integer winding number. This win…

physics.optics2011

Electro-optical silicon isolator

Hugo Lira, Zongfu Yu, Shanhui Fan +1

We create a non-magnetic CMOS-compatible optical isolator on a silicon chip. The isolator is based on indirect interband photonic transition, induced by electrically-driven dynamic…

quant-ph2007

Strongly Correlated Two-Photon Transport in One-Dimensional Waveguide Coupled to A Two-Level System

Jung-Tsung Shen, Shanhui Fan

We show that two-photon transport is strongly correlated in one-dimensional waveguide coupled to a two-level system. The exact S-matrix is constructed using a generalized Bethe-Ans…

quant-ph2009

Theory of single-photon transport in a single-mode waveguide coupled to a cavity containing a two-level atom

Jung-Tsung Shen, Shanhui Fan

The single-photon transport in a single-mode waveguide, coupled to a cavity embedded with a two-leval atom is analyzed. The single-photon transmission and reflection amplitudes, as…

physics.med-ph2026

Dosimetric characterization of a nanophotonic scintillator and applications to real-time in-vivo total body irradiation dosimetry

W. Jeffrey Zabel, Dixin Chen, Louis Martin-Monier +7

Purpose: Recent advances in metasurface photonics and manufacturing have enabled a nanophotonic surface coating to be applied to conventional scintillators, which has been shown to…

physics.optics2020

Integrated Nonreciprocal Photonic Devices with Dynamic Modulation

Ian A. D. Williamson, Momchil Minkov, Avik Dutt +3

Nonreciprocal components, such as isolators and circulators, are crucial components for photonic systems. In this article we review theoretical and experimental progress towards de…

physics.optics2014

Spatial control of surface plasmon polariton excitation at planar metal surface

Zhichao Ruan, Hui Wu, Min Qiu +1

We illustrate that the surface plasmon polariton (SPP) excitation through the prism coupling method is fundamentally limited by destructive interference of spatial light components…

physics.optics2013

Comment on "Linear and passive silicon optical isolator" in Scientific Reports 2, 674

Alexander Petrov, Dirk Jalas, Manfred Eich +10

Wang et al. [1] demonstrated different power transmission coefficients for forward and backward propagation in simulation and experiment. From such a demonstration, the central cla…

physics.optics2018

Synthetic Dimension in Photonics

Luqi Yuan, Qian Lin, Meng Xiao +1

The physics of a photonic structure is commonly described in terms of its apparent geometric dimensionality. On the other hand, with the concept of synthetic dimension, it is in fa…

physics.app-ph2024

Record nighttime electric power generation at a density of 350 mW/m via radiative cooling

Sid Assawaworrarit, Ming Zhou, Lingling Fan +1

The coldness of the universe is a thermodynamic resource that has largely remained untapped for renewable energy generation. Recently, a growing interest in this area has led to a…

physics.optics2017

Exact solution to the steady-state dynamics of a periodically-modulated resonator

Momchil Minkov, Yu Shi, Shanhui Fan

We provide an analytic solution to the coupled-mode equations describing the steady-state of a single periodically-modulated optical resonator driven by a monochromatic input. The…

quant-ph2007

Strongly-correlated multi-particle transport in one-dimension through a quantum impurity: an outline of exact and complete solutions

Jung-Tsung Shen, Shanhui Fan

We consider the transport properties of multiple-particle quantum states in a class of one-dimensional systems with a single quantum impurity. In these systems, the local interacti…

physics.optics2017

Enhanced High-Harmonic Generation from an All-Dielectric Metasurface

Hanzhe Liu, Cheng Guo, Giulio Vampa +7

The recent observation of high-harmonic generation from solids creates a new possibility for engineering fundamental strong-field processes by patterning the solid target with subw…

physics.optics2016

Eigenvalue dynamics in the presence of non-uniform gain and loss

Alexander Cerjan, Shanhui Fan

Loss-induced transmission in waveguides, and reversed pump dependence in lasers, are two prominent examples of counter-intuitive effects in non-Hermitian systems with patterned gai…

physics.optics2010

Perturbation Theory for Plasmonic Modulation and Sensing

Aaswath Raman, Shanhui Fan

We develop a general perturbation theory to treat small parameter changes in dispersive plasmonic nanostructures and metamaterials. We specifically apply it to dielectric refractiv…

physics.app-ph2025

A silicon-based device for dynamic control of thermal emission

Sid Assawaworrarit, Alex Song, Shanhui Fan

Control of thermal emission is important in a number of applications from thermal energy harvesting and management and sensing of gas and chemical to thermal camouflage. Semiconduc…

physics.app-ph2020

Integrated Cooling (i-Cool) Textile of Heat Conduction and Sweat Transportation for Personal Perspiration Management

Yucan Peng, Wei Li, Bofei Liu +13

Perspiration evaporation plays an indispensable role in human body heat dissipation. However, conventional textiles show limited perspiration management capability in moderate/prof…

physics.app-ph2021

Inverse design of plasma metamaterial devices for optical computing

Jesse A. Rodriguez, Ahmed I. Abdalla, Benjamin Wang +3

We apply inverse design methods to produce two-dimensional plasma metamaterial (PMM) devices. Backpropagated finite difference frequency domain (FDFD) simulations are used to desig…

physics.optics2018

Laterally confined photonic crystal surface emitting laser based on monolayer tungsten disulfide operating at room temperature

Xiaochen Ge, Momchil Minkov, Shanhui Fan +2

We report a photonic crystal surface emitting laser using monolayer tungsten disulfide as the gain medium. The cavity design utilizes a heterostructure in the photonic crystal latt…

quant-ph2023

Jaynes-Cummings interaction between low energy free-electrons and cavity photons

Aviv Karnieli, Shanhui Fan

The Jaynes-Cummings Hamiltonian is at the core of cavity quantum electrodynamics, and is ubiquitous in a variety of quantum technologies. The ability to implement and control the v…

physics.optics2019

Meron Spin Textures in Momentum Space

Cheng Guo, Meng Xiao, Yu Guo +2

We reveal the meron and antimeron spin textures in momentum space in a photonic crystal slab. These spin textures in momentum space have not been previously noted either in electro…

physics.optics2023

Tunable Magnetless Optical Isolation with Twisted Weyl Semimetals

Vladislav Chistyakov, Viktar S. Asadchy, Shanhui Fan +2

Weyl semimetals hold great promise in revolutionizing nonreciprocal optical components due to their unique topological properties. By exhibiting nonreciprocal magneto-optical effec…

physics.optics2022

Simulation of large-area metasurfaces with a distributed transition matrix method

Jinhie Skarda, Rahul Trivedi, Logan Su +5

Inverse design of large-area metasurfaces can potentially exploit the full parameter space that such devices offer and achieve highly efficient multifunctional flat optical element…

cond-mat.mes-hall2025

Topological nature of edge states for one-dimensional systems without symmetry protection

Janet Zhong, Heming Wang, Alexander N Poddubny +1

We numerically verify and analytically prove a winding number invariant that correctly predicts the number of edge states in one-dimensional, nearest-neighbor (between unit cells),…

physics.optics2013

Controlling the flow of light using the inhomogeneous effective gauge field that emerges from dynamic modulation

Kejie Fang, Shanhui Fan

We show that the effective gauge field for photons provides a versatile platform for controlling the flow of light. As an example we consider a photonic resonator lattice where the…

physics.optics2026

Separating partially coherent light

Paul-Alexis Mor, Anne R. Kroo, Carson G. Valdez +9

Recent advances in optical imaging and communication increasingly involve high-dimensional, partially coherent light, creating a growing need for scalable tools to measure and mani…

physics.optics2018

Absence of unidirectionally propagating surface plasmon-polaritons in nonreciprocal plasmonics

Siddharth Buddhiraju, Yu Shi, Alex Song +5

In the presence of an external magnetic field, the surface plasmon polariton that exists at the metal-dielectric interface is believed to support a unidirectional frequency range n…

cond-mat.mes-hall2020

Alice string in Non-Hermitian Systems

Xiao-Qi Sun, Charles C. Wojcik, Shanhui Fan +1

Alice string is a topological defect with a very peculiar feature. When a defect with a monopole charge encircles an Alice string, the monopole charge changes sign. In this work, w…

physics.app-ph2018

Gate-tunable near-field heat transfer

Georgia T. Papadakis, Bo Zhao, Siddharth Buddhiraju +1

Active control over the flow of heat in the near-field holds promise for nanoscale thermal management, with applications in refrigeration, thermophotovoltaics, and thermal circuitr…

math.FA2023

Winding number criterion for the origin to belong to the numerical range of a matrix on a loop of matrices

Cheng Guo, Shanhui Fan

Let be continuous with , thus the winding number of is well-defined. If the winding number is not divisible by , then the origi…

physics.app-ph2023

Metasurface-Based Realization of Photonic Time Crystals

Xuchen Wang, Mohammad Sajjad Mirmoosa, Viktar S. Asadchy +3

Photonic time crystals are artificial materials whose electromagnetic properties are uniform in space but periodically vary in time. The synthesis of such materials and experimenta…

physics.optics2010

Fundamental Limit of Nanophotonic Light-trapping in Solar Cells

Zongfu Yu, Aaswath Raman, Shanhui Fan

Establishing the fundamental limit of nanophotonic light-trapping schemes is of paramount importance and is becoming increasingly urgent for current solar cell research. The standa…

physics.optics2024

Non-Abelian lattice gauge fields in the photonic synthetic frequency dimension

Dali Cheng, Kai Wang, Charles Roques-Carmes +4

Non-Abelian gauge fields provide a conceptual framework for the description of particles having spins. The theoretical importance of non-Abelian gauge fields motivates their experi…

physics.optics2021

Direct thermal infrared vision via nanophotonic detector design

Chinmay Khandekar, Weiliang Jin, Shanhui Fan

Detection of infrared (IR) photons in a room-temperature IR camera is carried out by a two-dimensional array of microbolometer pixels which exhibit temperature-sensitive resistivit…

physics.optics2021

Photonic Chern insulators from two-dimensional atomic lattices interacting with a single surface plasmon polariton

Rituraj, Meir Orenstein, Shanhui Fan

We study the polaritonic bandstructure of two-dimensional atomic lattices coupled to a single excitation of a surface plasmon polariton mode. We show the possibility of realizing t…

physics.optics2020

Design of a multi-channel photonic crystal dielectric laser accelerator

Zhexin Zhao, Dylan S. Black, R. Joel England +5

To be useful for most scientific and medical applications, compact particle accelerators will require much higher average current than enabled by current architectures. For this pu…

cond-mat.mtrl-sci2008

Tuning Coherent Radiative Thermal Conductance in Multilayer Photonic Crystals

Wah Tung Lau, Jung-Tsung Shen, Georgios Veronis +2

We consider coherent radiative thermal conductance of a multilayer photonic crystal. The crystal consists of alternating layers of lossless dielectric slabs and vacuum, where heat…

cs.ET2019

Parallel fault-tolerant programming of an arbitrary feedforward photonic network

Sunil Pai, Ian A. D. Williamson, Tyler W. Hughes +4

Reconfigurable photonic mesh networks of tunable beamsplitter nodes can linearly transform -dimensional vectors representing input modal amplitudes of light for applications suc…

physics.optics2019

Overcoming the absorption limit in high-harmonic generation from crystals

Hanzhe Liu, Giulio Vampa, Jingyuan Linda Zhang +6

Since the new millennium coherent extreme ultra-violet and soft x-ray radiation has revolutionized the understanding of dynamical physical, chemical and biological systems at the e…

physics.optics2013

Photonic de Haas-van Alphen effect

Kejie Fang, Shanhui Fan

Based on the recently proposed concept of effective gauge potential and magnetic field for photons, we numerically demonstrate a photonic de Haas-van Alphen effect. We show that in…

physics.optics2025

Creating high-dimensional topological physics using a single ring resonator

Dali Cheng, Heming Wang, Charles Roques-Carmes +2

In spaces of three or more dimensions, there exists topological physics of significant richness that has no lower-dimensional counterparts. To experimentally explore high-dimension…

physics.optics2023

Manipulating coherence of near-field thermal radiation in time-modulated systems

Renwen Yu, Shanhui Fan

We show that the spatial coherence of thermal radiation can be manipulated in time-modulated photonic systems supporting surface polaritons. We develop a fluctuational electrodynam…

physics.optics2017

Synthetic space with arbitrary dimensions in a few rings undergoing dynamic modulation

Luqi Yuan, Meng Xiao, Qian Lin +1

We show that a single ring resonator undergoing dynamic modulation can be used to create a synthetic space with an arbitrary dimension. In such a system the phases of the modulatio…

physics.optics2017

Near-field heat transfer between graphene/hBN multilayers

Bo Zhao, Brahim Guizal, Zhuomin M. Zhang +2

We study the radiative heat transfer between multilayer structures made by a periodic repetition of a graphene sheet and a hexagonal boron nitride (hBN) slab. Surface plasmons in a…

quant-ph2020

Analytic and geometric properties of scattering from periodically modulated quantum-optical systems

Rahul Trivedi, Alex White, Shanhui Fan +1

We study the scattering of photons from periodically modulated quantum-optical systems. For excitation-number conserving quantum optical systems, we connect the analytic structure…

physics.optics2024

Quantum Nanophotonics with Energetic Particles:X-rays and Free Electrons

Xihang Shi, Wen Wei Lee, Aviv Karnieli +7

Rapid progress in precision nanofabrication and atomic design over the past 50 years has ushered in a succession of transformative eras for molding the generation and flow of light…

physics.optics2020

A Single Gyrotropic Particle as a Heat Engine

Yu Guo, Shanhui Fan

We demonstrate that the system composed of a gyrotropic particle out of thermal equilibrium with vacuum can be regarded as a heat engine. Such a particle, initially at rest, will e…

physics.optics2026

Realization of the Tellegen Effect in Resonant Optical Metasurfaces

Shadi Safaei Jazi, Ihar Faniayeu, Rafael Cichelero +5

The nonreciprocal magnetoelectric effect in Tellegen materials enables exotic phenomena such as axion-modified electrodynamics and fosters the development of magnet-free nonrecipro…