Wideband phase-noise measurement of mode-locked laser pulses by a demodulation technique

被引：33

作者：

Tsuchida, H ^{[1
]}

机构：

[1] Electrotech Lab, Tsukuba, Ibaraki 305, Japan

来源：

OPTICS LETTERS | 1998年 / 23卷 / 04期

关键词：

D O I：

10.1364/OL.23.000286

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new method is proposed and demonstrated far measuring the phase noise (pulse timing fluctuations) of mode-locked lasers. The instantaneous phases of the pulse intensity are extracted in a time domain, and the phase-noise power spectral density is calculated from the demodulated signals. Compared with the conventional method based on the single-sideband phase-noise measurement, the proposed method has a larger dynamic range and a wider frequency span. The phase noise of a mode-locked Cr:LiSAF laser is measured for 50O-mHz-1-MHz Fourier frequencies. (C) 1998 Optical Society of America.

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页码：286 / 288

页数：3

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