168 citations · 225 across the 5 of their papers we have counts for
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Photo-induced cascaded harmonic and comb generation in silicon nitride microresonators
Jianqi Hu, Edgars Nitiss, Jijun He +5
Silicon nitride (SiN) is an ever-maturing integrated platform for nonlinear optics. Yet, due to the absence of second-order () nonlinearity, SiN is mostly…
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Xinru Ji, Junqiu Liu, Jijun He +4
Nonlinear photonics based on integrated circuits has enabled applications such as parametric amplifiers, soliton frequency combs, supercontinua, and non-reciprocal devices. Ultralo…
Magnetic-Free Silicon Nitride Integrated Optical Isolator
Hao Tian, Junqiu Liu, Anat Siddharth +5
Integrated photonics has enabled signal synthesis, modulation and conversion using photonic integrated circuits (PIC). Many materials have been developed, among which silicon nitri…
Ultralow-noise frequency-agile photonic integrated lasers
Grigory Lihachev, Johann Riemensberger, Wenle Weng +8
Low-noise lasers are of central importance in a wide variety of applications, including high spectral-efficiency coherent communication protocols, distributed fibre sensing, and lo…
Laser soliton microcombs on silicon
Chao Xiang, Junqiu Liu, Joel Guo +10
Silicon photonics enables wafer-scale integration of optical functionalities on chip. A silicon-based laser frequency combs could significantly expand the applications of silicon p…
Low-loss integrated nanophotonic circuits with layered semiconductor materials
Tianyi Liu, Ioannis Paradisanos, Jijun He +13
Monolayer transition metal dichalcogenides with direct bandgaps are emerging candidates for microelectronics, nano-photonics, and optoelectronics. Transferred onto photonic integra…