Stable Dual-Wavelength Fibre Laser with Bragg Gratings Fabricated in a Polarization-Maintaining Erbium-Doped Fibre
WANG Lin, YAN Feng-Ping, MAO Xiang-Qiao, JIAN Shui-Sheng
Key Laboratory of All-Optical Networks and Advanced Communications Networks (Ministry of Education), Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044
Stable Dual-Wavelength Fibre Laser with Bragg Gratings Fabricated in a Polarization-Maintaining Erbium-Doped Fibre
WANG Lin, YAN Feng-Ping, MAO Xiang-Qiao, JIAN Shui-Sheng
Key Laboratory of All-Optical Networks and Advanced Communications Networks (Ministry of Education), Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044
摘要A new polarization-independent dual-wavelength fibre laser by fabricating a uniform FBG and a chirped FBG in a polarization-maintaining erbium-doped fibre (PM-EDF) is proposed and demonstrated. The wavelength spacing is 0.18nm and the optical signal-to-noise ratio is greater than 50dB with pump power of 246mW. Chirped FBG is used to make the reflectivity wavelengths of two PM-FBGs match easier. Since both EDF and FBGs are polarization-maintaining without splices and the two wavelengths are polarization-independent, the maximum amplitude variation and wavelength shifts for both lasing wavelength with 3-min intervals over a period of six hours are less than 0.2dB and 0.005nm, respectively, which shows stable dual-wavelength output.
Abstract：A new polarization-independent dual-wavelength fibre laser by fabricating a uniform FBG and a chirped FBG in a polarization-maintaining erbium-doped fibre (PM-EDF) is proposed and demonstrated. The wavelength spacing is 0.18nm and the optical signal-to-noise ratio is greater than 50dB with pump power of 246mW. Chirped FBG is used to make the reflectivity wavelengths of two PM-FBGs match easier. Since both EDF and FBGs are polarization-maintaining without splices and the two wavelengths are polarization-independent, the maximum amplitude variation and wavelength shifts for both lasing wavelength with 3-min intervals over a period of six hours are less than 0.2dB and 0.005nm, respectively, which shows stable dual-wavelength output.
WANG Lin;YAN Feng-Ping;MAO Xiang-Qiao;JIAN Shui-Sheng. Stable Dual-Wavelength Fibre Laser with Bragg Gratings Fabricated in a Polarization-Maintaining Erbium-Doped Fibre[J]. 中国物理快报, 2008, 25(12): 4283-4285.
WANG Lin, YAN Feng-Ping, MAO Xiang-Qiao, JIAN Shui-Sheng. Stable Dual-Wavelength Fibre Laser with Bragg Gratings Fabricated in a Polarization-Maintaining Erbium-Doped Fibre. Chin. Phys. Lett., 2008, 25(12): 4283-4285.
[1] Liu D 2007 Opt. Commun. 266 240 [2] Auzel F, Balda R and Fernandez J 2007 J. Lumin. 122 453 [3] Sinha S 2006 Opt. Lett. 31 347 [4] Liu A, Norsen M A and Mead R D 2005 Opt. Lett. 30 67 [5] Jia X J 2007 Chin. Phys. Lett. 24 2842 [6] Liu F N 2007 Chin. Phys. Lett. 24 929 [7] Liu X 2005 Opt. Express 13 142 [8] Jia X J 2006 Chin. Phys. Lett. 23 2092 [9] Zhao C L 2004 Microw. Opt. Technol. Lett. 4173 [10] Niay P 1995 IEEE Photon. Technol. Lett. 7391 [11] Zhou K 2005 Opt. Lett. 30 1285 [12] Reilly S P 2002 Electron. Lett. 38 1033 [13] Spiegelberg C 2004 J. Lightw. Technol. 22 57
2008, Vol. 25 
