Highly efficient and high output power of erbium doped fiber laser in a linear cavity configuration |
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| Authors: | N A Awang M Z Zulkifli S F Norizan S W Harun Z A Ghani and H Ahmad |
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| Institution: | (1) Institute for Materials Research, School of Process, Environment and Materials Engineering, The University of Leeds, Leeds, LS2 9JT, UK;(2) Photon Physics Group, School of Physics and Astronomy, The University of Manchester, Manchester, M13 9PL, UK |
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| Abstract: | A simple Erbium Doped Fiber Laser (EDFL) in linear cavity configuration is reported. The cavity design is based on an FBG
as a back reflector, and a loop back optical circulator with an output coupler as the front reflector. Different coupling
ratios of the coupler are tested and 50: 50 provides the highest coupling output power of 22.06 dBm (160.7 mW). The pump power
conversion efficiency is about 95% when pumping with two pump lasers at 1460 and 1490 nm with combined pumping power of 545
mW. The laser output has a measured linewidth of 0.0179 nm. |
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