Pump condition dependent Kerr frequency comb generation in mid-infrared

被引：4

作者：

Wang, Shuxiao ^{[1
,2
]}

Wang, Qing ^{[1
,2
]}

Wang, Wei ^{[3
]}

Wang, Xi ^{[1
]}

Yu, Mingbin ^{[1
,3
]}

Fang, Qing ^{[3
,4
]}

Cai, Yan ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Changning Rd 865, Shanghai 200050, Peoples R China

[2] Univ Chinese Acad Sci, Yuquan Rd 19, Beijing 100049, Peoples R China

[3] Shanghai Ind Technol Res Inst, Chengbei Rd 235, Shanghai 201800, Peoples R China

[4] Kunming Univ Sci & Technol, Coll Sci, Kunming 650500, Yunnan, Peoples R China

来源：

RESULTS IN PHYSICS | 2019年 / 15卷

基金：

中国国家自然科学基金;

关键词：

Kerr frequency combs; Microring resonator; Mid-infrared; Ternary-pump; Silicon photonics; SILICON; MODE; MODELOCKING; ABSORPTION;

D O I：

10.1016/j.rinp.2019.102789

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We propose and simulate the mid-infrared (MIR) frequency comb generation based on the Kerr nonlinear effect in a silicon microring resonator (MRR). The MRR is formed by the suspended ridge waveguides which are designed to have the anomalous group-velocity dispersion. Taking the thermal effect into consideration, the modified Lugiato-Lefever equation (LLE) is used to simulate the frequency comb generation. The stable dissipative cavity soliton and mode-locked combs in the MIR wavelength range of 2.5 mu m-5.2 pm can be obtained under different pump conditions. It is found that the ternary-pump scheme has wider bandwidth and flatter frequency combs as compared with the dual-pump scheme. The lowest total pump power is required for the ternary-pump approach to produce the same comb span in these three pump conditions.

引用

页数：8

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