Optical frequency comb and picosecond pulse generation based on a directly modulated microcavity laser

Wu Ji-Liang; Wang Ting; Yang Yue-De; Xiao Jin-Long; Huang Yong-Zhen

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Optical frequency comb and picosecond pulse generation based on a directly modulated microcavity laser

机译：基于直接调制的微腔激光的光学频梳和皮秒脉冲产生

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Optical frequency comb (OFC) and picosecond pulse generation are demonstrated experimentally based on a directly modulated AlGaInAs/InP square microcavity laser. With the merit of a high electro-optics modulation response of the microcavity laser, power-efficient OFCs with good flatness are produced. Ten 8-GHz-spaced optical tones with power fluctuation less than 3 dB are obtained based on the laser modulated by a sinusoidal signal. Moreover, the comb line number is enhanced to 20 by eliminating the nonlinear dynamics through optical injection locking. Owing to the high coherence of the OFC originating from the directly modulated microcavity laser, a 6.8 ps transform-limited pulse is obtained through dispersion compensation. The optical pulse is further compressed to 1.3 ps through the self-phase modulation effect in high nonlinear fiber. (C) 2021 Optical Society of America

机译：利用直接调制的AlGaInAs/InP方形微腔激光器，对光频梳（OFC）和皮秒脉冲的产生进行了实验研究。利用微腔激光器高电光调制响应的优点，可以制备出具有良好平坦度的高效率OFC。基于正弦信号调制的激光，获得了10个功率波动小于3dB的8GHz间隔的光学音调。此外，通过光注入锁定消除非线性动力学，梳状线数增加到20。由于直接调制微腔激光器产生的OFC具有很高的相干性，通过色散补偿可以获得6.8ps的变换受限脉冲。通过高非线性光纤中的自相位调制效应，光脉冲进一步压缩到1.3ps。（2021）美国光学学会

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《Applied optics》 |2021年第14期|共8页
作者
Wu Ji-Liang; Wang Ting; Yang Yue-De; Xiao Jin-Long; Huang Yong-Zhen;
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Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

Chinese Acad Sci Inst Semicond State Key Lab Integrated Optoelect Beijing 100083 Peoples R China;

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机译：极高频率直接调制激光器

Optical frequency comb and picosecond pulse generation based on a directly modulated microcavity laser

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