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Compact phase-lock loop for external cavity diode lasers

delete2016-01-01
delete13
PRE
AI
C
Chunhua Wei
S
Shuhua Yan *
A
Aiai Jia
Y
Yukun Luo
Q
Qingqing Hu
Z
Zehuan Li
DOI：10.3788/COL201614.051403delete
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Abstract

Abstract

En 中文
We present a compact, low-noise, and inexpensive optical phase-lock loop (OPLL) system to synchronize the frequency and the phase between two external cavity diode lasers. Based on a direct digital synthesizer technique, a programmable radio-frequency generator is implemented as the reference signal source. The OPLL has a narrow beat note linewidth below 1 Hz and a residual mean-square phase error of 0.06 rad(2) in a 10 MHz integration bandwidth. The experimental test results prove the competent performance of the system, which is promising as a low-budget choice in atomic physics applications.
Keywords:
STIMULATED RAMAN TRANSITIONS
INTERFEROMETRY

Journal

Optics Letters cover
Optics Letters
IF:
3.3
Papers:
4.0W
Citations:
7.6W

Organization

N
national university of defense technology - china
Scholars:
1.8W
Papers: 1.4W
Citations: 9