Observation of coherent transients by use of current switching of a semiconductor diode laser

被引：9

作者：

MacFarlane, RM ^{[1
]}

Zhu, M ^{[1
]}

机构：

[1] HEWLETT PACKARD LABS,PALO ALTO,CA 94304

来源：

OPTICS LETTERS | 1997年 / 22卷 / 04期

关键词：

D O I：

10.1364/OL.22.000248

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have observed optical free induction decay on the H-3(6)(1) --> H-3(4)(1) transition of Tm3+ ions in LaF3, using an external-cavity diode laser. The diode-laser frequency was switched by the application of a current step, and the resulting transient was detected by heterodyne beating with the laser at its new frequency. This provides a simple new way to measure coherent transients. The beat note shows a frequency chirp that gives a real-time measure of the diode-laser frequency. This result is attributed to changes in the laser lattice temperature on the microsecond time scale. (C) 1997 Optical Society of America.

引用

页码：248 / 250

页数：3

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