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Compact fiber laser at L-band region using Erbium-doped Zirconia fiber

Compact fiber laser at L-band region using Erbium-doped Zirconia fiber,10.1134/S1054660X10230040,Laser Physics,A. Hamzah,M. C. Paul,S. W. Harun,N. A.

Compact fiber laser at L-band region using Erbium-doped Zirconia fiber  
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A. Hamzah, M. C. Paul, S. W. Harun, N. A. D. Huri, A. Lokman, M. Pal, S. Das, S. K. Bhadra, H. Ahmad, S. Yoo, M. P. Kalita, A. J. Boylandhttp://academic.research.microsoft.com/io.ashx?type=5&id=48688322&selfId1=0&selfId2=0&maxNumber=12&query=
A compact Erbium-doped fiber laser (EDFL) operating in L-band region is demonstrated using a fabricated Erbium-doped Zirconia fiber (EDZF) for the first time. The fiber is fabricated by combining Zr and Al to achieve the maximum Erbium ion concentration of 4320 wt ppm. By using a fiber Bragg grating (FBG) in a ring configuration, the laser operates at 1579.6 nm with a slope efficiency of 13.6% and the threshold pump power of 25.1 mW. The lasing wavelength is obtained at Bragg wavelength with an output power of 13 dBm and a 3 dB spectral width of 0.02 nm using a piece of 2 m long EDZF in conjunction with 120 mW of 1480 nm pump power.
Journal: Laser Physics - LASER PHYS , vol. 21, no. 1, pp. 176-179, 2011
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