1.7k citations · 6.3k across the 98 of their papers we have counts for
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Can photonic heterostructures provably outperform single-material geometries?
Alessio Amaolo, Pengning Chao, Thomas J. Maldonado +2
Recent advances in photonic optimization have enabled calculation of performance bounds for a wide range of electromagnetic objectives, albeit restricted to single-material systems…
Fundamental limits on second harmonic generation
Jewel Mohajan, Pengning Chao, Weiliang Jin +2
Recent advances in fundamental performance limits for power quantities based on Lagrange duality are proving to be a powerful theoretical tool for understanding electromagnetic wav…
Maximum Electromagnetic Local Density of States via Material Structuring
Pengning Chao, Rodrick Kuate Defo, Sean Molesky +1
The electromagnetic local density of states (LDOS) is crucial to many aspects of photonics engineering, from enhancing emission of photon sources to radiative heat transfer and pho…
Trace Expressions and Associated Limits for Non-Equilibrium Casimir Torque
Benjamin Strekha, Sean Molesky, Pengning Chao +2
We exploit fluctuational electrodynamics to present trace expressions for the torque experienced by arbitrary objects in a passive, non-absorbing, rotationally invariant background…
Physical limits on electromagnetic response
Pengning Chao, Benjamin Strekha, Rodrick Kuate Defo +2
Photonic devices play an increasingly important role in advancing physics and engineering, and while improvements in nanofabrication and computational methods have driven dramatic…
-Operator Limits on Optical Communication: Metaoptics, Computation, and Input-Output Transformations
Sean Molesky, Pengning Chao, Jewel Mohajan +3
We present an optimization framework based on Lagrange duality and the scattering operator of electromagnetism to construct limits on the possible features that may be…
Hierarchical Mean-Field Operator Bounds on Electromagnetic Scattering: Upper Bounds on Near-Field Radiative Purcell Enhancement
Sean Molesky, Pengning Chao, Alejandro W. Rodriguez
We show how the central equality of scattering theory, the definition of the operator, can be used to generate hierarchies of mean-field constraints that act as natura…
Global operator bounds on electromagnetic scattering: Upper bounds on far-field cross sections
Sean Molesky, Pengning Chao, Weiliang Jin +1
We present a method based on the scattering operator, and conservation of net real and reactive power, to provide physical bounds on any electromagnetic design objecti…
Quantum nonlinear mixing of thermal photons to surpass the blackbody limit
Chinmay Khandekar, Liping Yang, Alejandro W. Rodriguez +1
Nearly all thermal radiation phenomena involving materials with linear response can be accurately described via semi-classical theories of light. Here, we go beyond these tradition…
-operator bounds on angle-integrated absorption and thermal radiation for arbitrary objects
Sean Molesky, Weiliang Jin, Prashanth S. Venkataram +1
We derive fundamental per-channel bounds on angle-integrated absorption and thermal radiation for arbitrary bodies---for any given material susceptibility and bounding region---tha…
Inverse Design of Compact Multimode Cavity Couplers
Weiliang Jin, Sean Molesky, Zin Lin +2
Efficient coupling between on-chip sources and cavities plays a key role in silicon photonics. However, despite the importance of this basic functionality, there are few systematic…
Material Scaling and Frequency-Selective Enhancement of Near-Field Radiative Heat Transfer for Lossy Metals in Two Dimensions via Inverse Design
Weiliang Jin, Sean Molesky, Zin Lin +1
The super-Planckian features of radiative heat transfer in the near-field are known to depend strongly on both material and geometric design properties. However, the relative impor…
Outlook for inverse design in nanophotonics
Sean Molesky, Zin Lin, Alexander Y. Piggott +3
Recent advancements in computational inverse design have begun to reshape the landscape of structures and techniques available to nanophotonics. Here, we outline a cross section of…
Inverse designed photonic fibers and metasurfaces for nonlinear frequency conversion
Chawin Sitawarin, Weiliang Jin, Zin Lin +1
Typically, photonic waveguides designed for nonlinear frequency conversion rely on intuitive and established principles, including index guiding and band gap engineering, and are b…
Photon Torpedoes and Rytov Pinwheels: Integral-Equation Modeling of Non-Equilibrium Fluctuation-Induced Forces and Torques on Nanoparticles
M. T. Homer Reid, O. D. Miller, A. G. Polimeridis +3
We present new theoretical tools, based on fluctuational electrodynamics and the integral-equation approach to computational electromagnetism, for numerical modeling of forces and…
Topology Optimized Multi-layered Meta-optics
Zin Lin, Benedikt Groever, Federico Capasso +2
We propose a general topology optimization framework for metasurface inverse design that can automatically discover highly complex multi-layered meta-structures with increased func…
Enhanced nonlinear frequency conversion and Purcell enhancement at exceptional points
Adi Pick, Zin Lin, Weiliang Jin +1
We derive analytical formulas quantifying radiative emission from subwavelength emitters embedded in triply resonant nonlinear cavities supporting exceptional points (EP)…
Topology-optimized Dual-Polarization Dirac Cones
Zin Lin, Lysander Christakis, Yang Li +3
We apply a large-scale computational technique, known as topology optimization, to the inverse design of photonic Dirac cones. In particular, we report on a variety of photonic cry…
Topology optimization of multi-track ring resonators and 2D microcavities for nonlinear frequency conversion
Zin Lin, Marko Lončar, Alejandro W. Rodriguez
We exploit recently developed topology-optimization techniques to design complex, wavelength-scale resonators for enhancing various nonlinear and frequency conv…
Inverse design of third-order Dirac exceptional points in photonic crystals
Zin Lin, Adi Pick, Marko Lončar +1
We propose a novel inverse-design method that enables brute-force discovery of photonic crystal (PhC) structures with complex spectral degeneracies. As a proof of principle, we dem…
General Theory of Spontaneous Emission Near Exceptional Points
Adi Pick, Bo Zhen, Owen D. Miller +5
We present a general theory of spontaneous emission at exceptional points (EPs)---exotic degeneracies in non-Hermitian systems. Our theory extends beyond spontaneous emission to an…
Dynamical laser spike processing
Bhavin J. Shastri, Mitchell A. Nahmias, Alexander N. Tait +3
Novel materials and devices in photonics have the potential to revolutionize optical information processing, beyond conventional binary-logic approaches. Laser systems offer a rich…
Cavity-enhanced second harmonic generation via nonlinear-overlap optimization
Zin Lin, Xiangdong Liang, Marko Loncar +2
We describe an approach based on topology optimization that enables automatic discovery of wavelength-scale photonic structures for achieving high-efficiency second-harmonic genera…
Shape-Independent Limits to Near-Field Radiative Heat Transfer
Owen D. Miller, Steven G. Johnson, Alejandro W. Rodriguez
We derive shape-independent limits to the spectral radiative heat-transfer rate between two closely spaced bodies, generalizing the concept of a black body to the case of near-fiel…