Chinese Optics Letters, 2017, 15 (9): 091901, Published Online: Jul. 19, 2018  

Multiple-mode phase matching in a single-crystal lithium niobate waveguide for three-wave mixing Download: 905次

Author Affiliations
State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
Abstract
Developing natural “free space” frequency upconversion is essential for photonic integrated circuits. In a single-crystal lithium niobate thin film planar waveguide of less than 1 μm thickness, we achieve type I and type II mode phase-matching conditions simultaneously for this thin film planar waveguide. Finally, by employing the mode phase matching of e+ee with d33 at 1018 nm, we successfully achieve a green second-harmonic wave output with the conversion efficiency of 0.12%/(W·cm2), which verifies one of our simulation results. The rich mode phase matching for three-wave mixing in a thin film planar waveguide may provide a potential application in on-chip frequency upconversions for integrated photonic and quantum devices.

Chuanyi Zhu, Yuping Chen, Guangzhen Li, Licheng Ge, Bing Zhu, Mengning Hu, Xianfeng Chen. Multiple-mode phase matching in a single-crystal lithium niobate waveguide for three-wave mixing[J]. Chinese Optics Letters, 2017, 15(9): 091901.

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