Enhanced four-wave mixing with MoS2 on a silicon waveguide

被引：24

作者：

Zhang, Yaojing ^{[1
]}

Tao, Li ^{[1
]}

Yi, Dan ^{[1
]}

Xu, Jian-Bin ^{[1
]}

Tsang, Hon Ki ^{[1
]}

机构：

[1] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China

来源：

JOURNAL OF OPTICS | 2020年 / 22卷 / 02期

关键词：

MoS2; four-wave mixing; Kerr coefficient; FREQUENCY COMB GENERATION; 2-PHOTON ABSORPTION; RING-RESONATOR; WAVELENGTH CONVERSION; AMPLIFICATION; DISPERSION; MODEL; STATE;

D O I：

10.1088/2040-8986/ab68b4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

MoS2 is a layered quasi-2D material that can enhance effective third-order optical nonlinearity of waveguides. In this paper, we measured the optical loss of MoS2 on silicon waveguides and compared the conversion efficiencies of four-wave mixing (FWM) in silicon waveguides with and without MoS2 on the top cladding. Hybrid integration of the few-layer MoS2 produced about 4 dB enhancement in the idler output of FWM. The Kerr coefficient of MoS2 was obtained as (2.7 0.2) x 10(-16) m(2) W-1. The refractive index of MoS2 was obtained from the characteristics of grating couplers.

引用

页数：5

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