activity
20182026
most citedInverse-designed photonic circuits for fully passive, bias-free Kerr-based nonreciprocal transmission and routing

254 citations · 605 across the 17 of their papers we have counts for

collaborators

19 papers

quant-ph2026

Practical Limits on Integrated Squeezers

Devin J. Dean, Taewon Park, Lars S. Madsen +12

Recent experiments have demonstrated the successful generation and detection of moderately squeezed vacuum states with integrated photonics. However, in order to benefit from the r…

physics.optics2026

Ultra-wideband electrically-tuned mid-infrared on-chip parametric oscillator

Alexander Y. Hwang, Hubert S. Stokowski, Luke Qi +7

Developing compact, broadband mid-infrared coherent sources for applications in spectroscopy and sensing remains a pressing challenge in photonics. However, material limitations an…

eess.SP2026

Occlusion-Aware Multimodal Beam Prediction and Pose Estimation for mmWave V2I

Abidemi Orimogunje, Hyunwoo Park, Kyeong-Ju Cha +3

We propose an occlusion-aware multimodal learning framework that is inspired by simultaneous localization and mapping (SLAM) concepts for trajectory interpretation and pose predict…

physics.optics2026

Inverse design for scalable photonic systems

Louise Schul, Sydney Mason, Sungjun Eun +2

Over the past two decades, photonic inverse design has emerged as a powerful approach to implement photonic devices with improved performance, or realize new functionalities. While…

physics.optics2025★ 1 cited

High-Performance Wavelength Division Multiplexers Enabled by Co-Optimized Inverse Design

Sydney Mason, Geun Ho Ahn, Jakob Grzesik +2

Wavelength division multiplexers are fundamental to the functioning and performance of integrated photonic circuits, with applications ranging from optical interconnects to sensing…

physics.optics2025★ 1 cited

A systolic update scheme to overcome memory bandwidth limitations in GPU-accelerated FDTD simulations

Jesse Lu, David Qu, Jim Qu +3

The exponential growth of artificial intelligence has fueled the development of high-bandwidth photonic interconnect fabrics as a critical component of modern AI supercomputers. As…

cond-mat.mtrl-sci2025

Quantum critical electro-optic and piezo-electric nonlinearities

Christopher P. Anderson, Giovanni Scuri, Aaron Chan +8

Electro-optics, the tuning of optical properties of materials with electric fields, is key to a multitude of quantum and classical photonics applications. However, a major obstacle…

physics.optics2024★ 2 cited

Unified laser stabilization and isolation on a silicon chip

Alexander D. White, Geun Ho Ahn, Richard Luhtaru +8

Rapid progress in photonics has led to an explosion of integrated devices that promise to deliver the same performance as table-top technology at the nanoscale; heralding the next…

physics.optics2023★ 79 cited

Titanium:Sapphire-on-insulator for broadband tunable lasers and high-power amplifiers on chip

Joshua Yang, Kasper Van Gasse, Daniil M. Lukin +4

Titanium:Sapphire (Ti:Sa) lasers have been essential for advancing fundamental research and technological applications. Ti:Sa lasers are unmatched in bandwidth and tuning range, ye…

physics.optics2023

An inverse-designed nanophotonic interface for excitons in atomically thin materials

Ryan J. Gelly, Alexander D. White, Giovanni Scuri +7

Efficient nanophotonic devices are essential for applications in quantum networking, optical information processing, sensing, and nonlinear optics. Extensive research efforts have…

quant-ph2023★ 50 cited

Microwave Spin Control of a Tin-Vacancy Qubit in Diamond

Eric I. Rosenthal, Christopher P. Anderson, Hannah C. Kleidermacher +10

The negatively charged tin-vacancy (SnV-) center in diamond is a promising solid-state qubit for applications in quantum networking due to its high quantum efficiency, strong zero…

physics.optics2022

Platform-agnostic waveguide integration of high-speed photodetectors with evaporated tellurium thin films

Geun Ho Ahn, Alexander D. White, Hyungjin Kim +8

Many attractive photonics platforms still lack integrated photodetectors due to inherent material incompatibilities and lack of process scalability, preventing their widespread dep…

physics.optics2022★ 122 cited

Integrated Passive Nonlinear Optical Isolators

Alexander D. White, Geun Ho Ahn, Kasper Van Gasse +4

Fiber and bulk-optical isolators are widely used to stabilize laser cavities by preventing unwanted feedback. However, their integrated counterparts have been slow to be adopted. W…

physics.optics2022★ 2 cited

Gradient-Based Optimization of Optical Vortex Beam Emitters

Alexander D. White, Logan Su, Daniel I. Shahar +5

Vortex beams are stable solutions of Maxwell's equations that carry phase singularities and orbital angular momentum, unique properties that give rise to many applications in the b…

physics.optics2021

Augmenting On-Chip Microresonator through Photonic Inverse Design

Geun Ho Ahn, Ki Youl Yang, Rahul Trivedi +4

Recent advances in the design and fabrication of on-chip optical microresonators has greatly expanded their applications in photonics, enabling metrology, communications, and on-ch…

physics.app-ph2021★ 10 cited

Inverse-designed multi-dimensional silicon photonic transmitters

Ki Youl Yang, Alexander D. White, Farshid Ashtiani +33

Modern microelectronic processors have migrated towards parallel computing architectures with many-core processors. However, such expansion comes with diminishing returns exacted b…

physics.app-ph2019

Inverse-designed photonics for semiconductor foundries

Alexander Y. Piggott, Eric Y. Ma, Logan Su +7

Silicon photonics is becoming a leading technology in photonics, displacing traditional fiber optic transceivers in long-haul and intra-data-center links and enabling new applicati…

physics.optics2019★ 254 cited

Inverse-designed photonic circuits for fully passive, bias-free Kerr-based nonreciprocal transmission and routing

Ki Youl Yang, Jinhie Skarda, Michele Cotrufo +6

Nonreciprocal devices such as isolators and circulators are key enabling technologies for communication systems, both at microwave and optical frequencies. While nonreciprocal devi…

cond-mat.mtrl-sci2018★ 84 cited

Suppressing Diffusion-Mediated Exciton Annihilation in 2D Semiconductors Using the Dielectric Environment

Aaron J. Goodman, Der-Hsien Lien, Geun Ho Ahn +5

Atomically thin semiconductors such as monolayer MoS2 and WS2 exhibit nonlinear exciton-exciton annihilation at notably low excitation densities (below ~10 excitons/um2 in MoS2). H…