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Low-Energy, Octave-Spanning Supercontinuum Generation in Ta_2O_5 Waveguides: Towards Optical Coherence Metrology
Yanyan Zhang, Qin Xie, Xiaoqing Chen +1
Supercontinuum generation (SCG) on integrated photonic platforms is a pivotal technology for developing next-generation chip-scale systems for precision spectroscopy and metrology.…
On-chip quadratically nonlinear photodetector
Yu Zhang, Xiaoqing Chen, Mingwen Zhang +5
Involving deterministically nonlinear photoresponse in on-chip photodetector is intriguing to develop sophisticated functions in photonic integrated circuits, such as in-sensor com…
Microcavity induced by few-layer GaSe crystal on silicon photonic crystal waveguide for efficient optical frequency conversion
Xiaoqing Chen, Yanyan Zhang, Yingke Ji +8
We demonstrate the post-induction of high-quality microcavity on silicon photonic crystal (PC) waveguide by integrating few-layer GaSe crystal, which promises highly efficient on-c…
Nonlinear photodetector based on InSe p-n homojunction for improving spatial imaging resolution
Yu Zhang, Xiaoqing Chen, Mingwen Zhang +7
We demonstrate an efficient nonlinear photodetector (NLPD) with quadratic response based on a few-layer InSe p-n homojunction, which is beneficial from the strong second harmonic g…