2.5k citations · 19.2k across the 188 of their papers we have counts for
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Limits on Broadband Absorption Enhancement in the Presence of Multiple Lossy Materials
Aaswath Raman, Zongfu Yu, Shanhui Fan
Enhancing the absorption and emission of electromagnetic waves over a broad range of wavelengths is a topic of fundamental and applied interest in photonics and energy research. In…
High reflection from a one-dimensional array of graphene nanoribbons
Nathan Zhao, Zhexin Zhao, Ian Williamson +3
We show that up to 90% reflectivity can be achieved by using guided plasmonic resonances in a one-dimensional periodic array of plasmonic nanoribbon. In general, to achieve strong…
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…
Experimental demonstration of dynamical input isolation in nonadiabatically modulated photonic cavities
Avik Dutt, Momchil Minkov, Qian Lin +3
Modulated optical cavities have been proposed and demonstrated for applications in communications, laser frequency stabilization, microwave-to-optical conversion and frequency comb…
Zero-index bound states in the continuum
Momchil Minkov, Ian A. D. Williamson, Meng Xiao +1
Metamaterials with an effective zero refractive index associated to their electromagnetic response are sought for a number of applications in communications and nonlinear optics. A…
Adjoint method and inverse design for nonlinear nanophotonic devices
Tyler W. Hughes, Momchil Minkov, Ian A. D. Williamson +1
The development of inverse design, where computational optimization techniques are used to design devices based on certain specifications, has led to the discovery of many compact,…
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…
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…
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…
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…
First-Principles Threshold Calculation of Photonic Crystal Surface-Emitting Lasers Using Rigorous Coupled Wave Analysis
Alex Y. Song, Akhil Raj Kumar Kalapala, Weidong Zhou +1
We show that the threshold of a photonic crystal surface-emitting laser can be calculated from first-principles by the method of rigorous coupled wave analysis (RCWA), which has be…
Direction-Dependent Parity-Time Phase Transition and Non-Reciprocal Directional Amplification with Dynamic Gain-Loss Modulation
Alex Y. Song, Yu Shi, Qian Lin +1
We show that a dynamic gain-loss modulation in an optical structure can lead to a direction-dependent parity-time (PT) phase transition. The phase transition can be made thresholdl…
Training of photonic neural networks through in situ backpropagation
Tyler W. Hughes, Momchil Minkov, Yu Shi +1
Recently, integrated optics has gained interest as a hardware platform for implementing machine learning algorithms. Of particular interest are artificial neural networks, since ma…
Unidirectional light transport in dynamically modulated waveguides
Momchil Minkov, Shanhui Fan
One-way edge states at the surface of photonic topological insulators are of significant interest for communications, nonlinear and quantum optics. Moreover, when reciprocity is br…
Constructing three-dimensional photonic topological insulator using two-dimensional ring resonator lattice with a synthetic frequency dimension
Qian Lin, Xiao-Qi Sun, Meng Xiao +2
In the development of topological photonics, achieving three dimensional topological insulators is of significant interest since it enables the exploration of new topological physi…