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Proceedings Paper

Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating incorporating saturable absorber
Author(s): Suchun Feng; Ou Xu; Shaohua Lu; Ming Chen; Shuisheng Jian
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Paper Abstract

Switchable single-longitudinal-mode (SLM) dual-wavelength erbium-doped fiber laser at room temperature is demonstrated. One fiber Bragg grating (FBG) directly written in a polarization-maintaining and photosensitive erbiumdoped fiber (PMPEDF) as the wavelength-selective component is used in a linear laser cavity. Due to the polarization hole burning (PHB) enhanced by the polarization-maintaining fiber Bragg grating (PMFBG), the laser can be designed to operate in stable dual-wavelength or wavelength-switching modes with a wavelength spacing of 0.202 nm by adjusting a polarization controller (PC). The stable SLM operation is guaranteed by a saturable absorber (SA). The optical signal-tonoise ratio (OSNR) of the laser is over 40 dB. The amplitude variation in nearly one and half an hour is less than 0.5 dB for both wavelengths.

Paper Details

Date Published: 29 October 2009
PDF: 6 pages
Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 751414 (29 October 2009); doi: 10.1117/12.840475
Show Author Affiliations
Suchun Feng, Beijing Jiaotong Univ. (China)
Ou Xu, Beijing Jiaotong Univ. (China)
Shaohua Lu, Beijing Jiaotong Univ. (China)
Ming Chen, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 7514:
Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors

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