activity
20192024
collaborators

6 papers

physics.optics2021

Theory of -microresonator-based frequency conversion

Yun Zhao, Jae K. Jang, Yoshitomo Okawachi +1

Microresonator-based platforms with nonlinearities have the potential to perform frequency conversion at high efficiencies and ultralow powers with small footprints. The…

physics.optics2020

Nanophotonic spin-glass for realization of a coherent Ising machine

Yoshitomo Okawachi, Mengjie Yu, Jae K. Jang +5

The need for solving optimization problems is prevalent in a wide range of physical applications, including neuroscience, network design, biological systems, socio-economics, and c…

quant-ph2020

Frequency-Domain Quantum Interference with Correlated Photons from an Integrated Microresonator

Chaitali Joshi, Alessandro Farsi, Avik Dutt +6

Frequency encoding of quantum information together with fiber and integrated photonic technologies can significantly reduce the complexity and resource requirements for realizing a…

physics.optics2020

Near-degenerate quadrature-squeezed vacuum generation on a silicon-nitride chip

Yun Zhao, Yoshitomo Okawachi, Jae K. Jang +3

Squeezed states are a primary resource for continuous-variable (CV) quantum information processing. To implement CV protocols in a scalable and robust way, it is desirable to gener…

physics.optics2019

Turn-key, high-efficiency Kerr comb source

Bok Young Kim, Yoshitomo Okawachi, Jae K. Jang +6

We demonstrate an approach for automated Kerr comb generation in the normal group-velocity dispersion (GVD) regime. Using a coupled-ring geometry in silicon nitride, we precisely c…

physics.optics2019

Visible nonlinear photonics via high-order-mode dispersion engineering

Yun Zhao, Xingchen Ji, Bok Young Kim +11

Over the past decade, remarkable advances have been realized in chip-based nonlinear photonic devices for classical and quantum applications in the near- and mid-infrared regimes.…