217 citations · 732 across the 16 of their papers we have counts for
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Aluminum nitride waveguide beam splitters for integrated quantum photonic circuits
Hyeong-Soon Jang, Donghwa Lee, Hyungjun Heo +7
We demonstrate integrated photonic circuits for quantum devices using sputtered polycrystalline aluminum nitride (AlN) on insulator. The on-chip AlN waveguide directional couplers,…
Tantala Kerr-nonlinear integrated photonics
Hojoong Jung, Su-Peng Yu, David R. Carlson +3
Integrated photonics plays a central role in modern science and technology, enabling experiments from nonlinear science to quantum information, ultraprecise measurements and sensin…
Spontaneous Pulse Formation in Edge-Less Photonic Crystal Resonators
Su-Peng Yu, Daniel C. Cole, Hojoong Jung +3
Complex systems are a proving ground for fundamental interactions between components and their collective emergent phenomena. Through intricate design, integrated photonics offers…
Photonic-crystal-reflector nano-resonators for Kerr-frequency combs
Su-Peng Yu, Hojoong Jung, Travis C. Briles +2
We demonstrate Kerr-frequency-comb generation with nanofabricated Fabry-Perot resonators with photonic-crystal-reflector (PCR) end mirrors. The PCR group-velocity-dispersion (GVD)…
Deuterated silicon nitride photonic devices for broadband optical frequency comb generation
Jeff Chiles, Nima Nader, Daniel D. Hickstein +9
We report and characterize low-temperature, plasma-deposited deuterated silicon nitride thin films for nonlinear integrated photonics. With a peak processing temperature less than…
Efficient visible frequency comb generation via Cherenkov radiation from a Kerr microcomb
Xiang Guo, Chang-Ling Zou, Hojoong Jung +4
Optical frequency combs enable state-of-the-art applications including frequency metrology, optical clocks, astronomical measurements, and sensing. Recent demonstrations of microre…
Ultrabroadband supercontinuum generation and frequency-comb stabilization using on-chip waveguides with both cubic and quadratic nonlinearities
Daniel D. Hickstein, Hojoong Jung, David R. Carlson +13
Using aluminum-nitride photonic-chip waveguides, we generate optical-frequency-comb supercontinuum spanning from 500 nm to 4000 nm with a 0.8 nJ seed pulse, and show that the spect…
In-resonator variation of waveguide cross-sections for dispersion control of aluminum nitride micro-rings
Hojoong Jung, Menno Poot, Hong X. Tang
We propose and demonstrate a dispersion control technique by combination of different waveguide cross sections in an aluminum nitride micro-ring resonator. Narrow and wide waveguid…
Green, red and IR frequency comb line generation from single IR pump in AlN microring resonator
Hojoong Jung, Rebecca Stoll, Xiang Guo +2
On-chip frequency comb generations enable compact broadband sources for spectroscopic sensing and precision spectroscopy. Recent microcomb studies focus on infrared spectral regime…
Electrical tuning and switching of an optical frequency comb generated in aluminum nitride microring resonators
Hojoong Jung, King Y. Fong, Chi Xiong +1
Aluminum nitride has been shown to possess both strong Kerr nonlinearity and electro-optic Pockels effect. By combining these two effects, here we demonstrate on-chip reversible on…
Optical frequency comb generation from aluminum nitride micro-ring resonator
Hojoong Jung, Chi Xiong, King Y. Fong +2
Aluminum nitride is an appealing nonlinear optical material for on-chip wavelength conversion. Here we report optical frequency comb generation from high quality factor aluminum ni…