Yoctosecond Timing Jitter Sensitivity in Tightly Synchronized Mode-Locked Ti:Sapphire Lasers

被引：1

作者：

Xu, Hao ^{[1
]}

Wu, Haitao ^{[1
]}

Hou, Dong ^{[2
]}

Lu, Haoyuan ^{[1
]}

Li, Zhaolong ^{[1
]}

Zhao, Jianye ^{[1
]}

机构：

[1] Peking Univ, Dept Elect, Beijing 100871, Peoples R China

[2] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Peoples R China

来源：

PHOTONICS | 2022年 / 9卷 / 08期

基金：

中国国家自然科学基金;

关键词：

mode-locked lasers; timing jitter; phase noise; ACTUATED MIRROR; SERVO-BANDWIDTH;

D O I：

10.3390/photonics9080569

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Higher sensitivity in timing jitter measurement has great importance in studies related to precise measurements. Timing jitter noise floors contribute one of the main parts in existing measurements. In this article, a phase error signal is obtained by superposition of outputs of two optical heterodyne discrimination apparatus to suppress the noise floor. Excess phase noise of the electrical amplifier is avoided. We demonstrate 2.6 x 10(-14) fs(2)/Hz (similar to 160 ys/root Hz) timing jitter noise floor between two identical 99 MHz repetition-rate mode-locked Ti:sapphire lasers after their repetition rates are tightly synchronized. The performance is extensible to reach an integrated timing jitter resolution of one attosecond.

引用

页数：9

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