Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating in linear cavity

Suchun Feng; Ou Xu; Shaohua Lu; Shuisheng Jian

doi:10.1117/1.3231602

1 October 2009 Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating in linear cavity

Suchun Feng, Ou Xu, Shaohua Lu, Shuisheng Jian

Author Affiliations +

Optical Engineering, Vol. 48, Issue 10, 104201 (October 2009). https://doi.org/10.1117/1.3231602

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 erbium-doped fiber as the wavelength-selective component is used in a linear laser cavity. Because of the polarization hole burning enhanced by the polarization-maintaining FBG, 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. The stable SLM operation is guaranteed by a saturable absorber. The optical signal-to-noise ratio of the laser is >40 dB. The amplitude variation in nearly 1.5 h is <0.5 dB for both wavelengths.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Suchun Feng, Ou Xu, Shaohua Lu, and Shuisheng Jian "Switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser based on one polarization-maintaining fiber Bragg grating in linear cavity," Optical Engineering 48(10), 104201 (1 October 2009). https://doi.org/10.1117/1.3231602

Published: 1 October 2009

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