Supercontinuum and frequency comb generations in the slot SiC waveguide with four zero-dispersion wavelengths

Luqi Zhang, Jinhui Yuan*, Yujun Cheng, Chao Mei, Xian Zhou, Qiang Wu, Binbin Yan, Kuiru Wang*, Chongxiu Yu, Xinzhu Sang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a slot SiC waveguide with four zero-dispersion wavelengths (ZDWs) is proposed for the supercontinuum (SC) and frequency comb generations. The four ZDWs are located at 1089, 1656, 2222, and 3113nm, respectively. The effects of the pump wavelength, peak power, pulse width, and waveguide length on the SC generation are discussed when the waveguide is pumped near the first ZDW and the third ZDW in the anomalous dispersion region, respectively. While pumping at 1300 and 2450nm, a near-infrared SC covering from 873 to 2444nm and a mid-infrared SC extending from 1349 to 4727nm with good coherences are obtained, respectively. By utilizing a 50-pulses pump source at a repetition rate of 1GHz, we also investigate the SC-based frequency comb generation.
Original languageEnglish
Article number169561
Number of pages12
JournalOptik
Volume266
Early online date25 Jun 2022
DOIs
Publication statusE-pub ahead of print - 25 Jun 2022

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