Measurement for Linewidth of an External Cavity Diode Laser Based on Monolithc Fabry-Perot Cavity with Delayed Self-Heterodyne Method

Peng Yu; Li Ye; Cao Jianping; Fang Zhanjun; Zang Erjun

doi:10.3788/aos201232.0414001

Journals >Acta Optica Sinica >Volume 32 >Issue 4 >Page 414001 > Article

Acta Optica Sinica
Vol. 32, Issue 4, 414001 (2012)

Measurement for Linewidth of an External Cavity Diode Laser Based on Monolithc Fabry-Perot Cavity with Delayed Self-Heterodyne Method

Peng Yu^1、2、*, Li Ye¹, Cao Jianping¹, Fang Zhanjun¹, and Zang Erjun¹

Author Affiliations

¹[in Chinese]

²[in Chinese]

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DOI: 10.3788/aos201232.0414001 Cite this Article Set citation alerts

Peng Yu, Li Ye, Cao Jianping, Fang Zhanjun, Zang Erjun. Measurement for Linewidth of an External Cavity Diode Laser Based on Monolithc Fabry-Perot Cavity with Delayed Self-Heterodyne Method[J]. Acta Optica Sinica, 2012, 32(4): 414001 Copy Citation Text

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Abstract

An narrow-linewidth external-cavity diode laser (ECDL) is presented based on a parallel monolithic folded Fabry-Perot (F-P) cavity. The frequency of the laser is locked to the monolithic F-P resonance by optical feedback. Linewidth of the laser is measured with delayed self-heterodyne method. Experimental results show the linewidth of ECDL is narrower than 35 kHz. Linewidth of ECDL changes when the position of coupling on the input/output plane changes.

Keywords

delayed self-heterodyne method extended cavity diode laser laser technique parallel monolithic cavity

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