183 citations · 673 across the 10 of their papers we have counts for
10 papers
Nonlinear Dynamics of Coupled-Resonator Kerr-Combs
Swarnava Sanyal, Yoshitomo Okawachi, Yun Zhao +4
The nonlinear interaction of a microresonator pumped by a laser has revealed complex dynamics including soliton formation and chaos. Initial studies of coupled-resonator systems re…
All-optical frequency division on-chip using a single laser
Yun Zhao, Jae K. Jang, Karl J. McNulty +4
The generation of spectrally pure high-frequency microwave signals is a critical functionality in fundamental and applied sciences, including metrology and communications. The deve…
Large regenerative parametric amplification on chip at ultra-low pump powers
Yun Zhao, Jae K. Jang, Xingchen Ji +3
Chip-based optical amplifiers can significantly expand the functionalities of photonic devices. In particular, optical-parametric amplifiers (OPAs), with engineerable gain-spectra,…
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…
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…
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…
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…
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…
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.…
All-optical switching via four-wave mixing Bragg scattering in a silicon platform
Yun Zhao, David Lombardo, Jay Mathews +1
We employ the process of non-degenerate four-wave mixing Bragg scattering (FWM-BS) to demonstrate all-optical control in a silicon platform. In our configuration, a strong, non-inf…