Inherent intensity noise suppression in a mode-locked polycrystalline Cr:ZnS oscillator

被引：4
|
作者：
Bu, Xiangbao [1 ]
Okazaki, Daiki [1 ]
Ashihara, Satoshi [1 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Meguro Ku, 4-6-1 Komaba, Tokyo 1538505, Japan
来源：
OPTICS EXPRESS | 2022年 / 30卷 / 06期
基金：
日本学术振兴会;
关键词：
WALLED CARBON NANOTUBES; TIMING JITTER; LASER; FLUCTUATIONS; CANCELLATION; ABSORPTION; OUTPUT; POWER;
D O I：
10.1364/OE.453382
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We developed a diode-pumped, mode-locked polycrystalline Cr:ZnS oscillator using single-walled carbon nanotubes as a saturable absorber. The oscillator exhibits self-start mode-locking operation, generating sub-100 fs pulses with an average power of 300 mW. We found a unique feature in which the intensity noise originating from relaxation oscillation is suppressed by inherent second harmonic generation in polycrystalline Cr:ZnS. The observed noise suppression is reproduced by a theoretical model that includes an instantaneous nonlinear loss. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：8517 / 8525
页数：9
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