Two Diode Lasers Simultaneously Optically Locked by Orthogonal Polarizations of a Monolithic Confocal Cavity

We demonstrate two self-injection locking extended cavity diode lasers (ECDLs) using resonant optical feedback independently from s- and p-polarizations of a monolithic folded Fabry-Perot confocal cavity (MFC). The relative frequency shift of adjacent axial modes of s resonance and p resonance of MF...

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Bibliographic Details
Published inChinese physics letters Vol. 28; no. 10; pp. 104208 - 1-104208-3
Main Authors Peng, Yu (瑜彭), Zhao, Yang (阳赵), Li, Ye (烨李), Yang, Tao (涛杨), Cao, Jian-Ping (建平 曹), Fang, Zhan-Jun (占军 方), Zang, Er-Jun (二军 臧)
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.10.2011
Subjects
Confocal
Diode lasers
Frequency shift
Holes
Lasers
Locking
Optical feedback
Polarization
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Summary:We demonstrate two self-injection locking extended cavity diode lasers (ECDLs) using resonant optical feedback independently from s- and p-polarizations of a monolithic folded Fabry-Perot confocal cavity (MFC). The relative frequency shift of adjacent axial modes of s resonance and p resonance of MFC is around 1.030 GHz. Beat note measurements between the two ECDLs are performed and present a relative linewidth of 4 kHz. With the help of a narrow-linewidth reference laser, the linewidth of s-component and p-component ECDLs are measured to be about 32kHz and 40kHz, respectively.
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/10/104208