Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating incorporating saturable absorber

Suchun Feng; Ou Xu; Shaohua Lu; Ming Chen; Shuisheng Jian

doi:10.1117/12.840475

28 October 2009 Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating incorporating saturable absorber

Suchun Feng, Ou Xu, Shaohua Lu, Ming Chen, Shuisheng Jian

Author Affiliations +

Proceedings Volume 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors; 751414 (2009) https://doi.org/10.1117/12.840475
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

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.

Citation Download Citation

Suchun Feng, Ou Xu, Shaohua Lu, Ming Chen, and Shuisheng Jian "Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating incorporating saturable absorber", Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 751414 (28 October 2009); https://doi.org/10.1117/12.840475

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KEYWORDS

Fiber lasers

Spatial light modulators

Fiber Bragg gratings

Polarization

Laser resonators

Polarization maintaining fibers

Microwave radiation

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