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26 July 2011 Design of dual core resonant leaky fiber for inherent gain flattening of S-band EDFA
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Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 80011V (2011) https://doi.org/10.1117/12.892138
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal
Abstract
We present a novel co-axial dual core resonant leaky fiber (DCRLF) design for inherent gain equalization of S-band erbium doped fiber amplifier (EDFA). Spectral leakage loss variation of the structure has been utilized to suppress the amplified spontaneous emission (ASE) in the C-band and to achieve inherent gain flattening in the S-band of an EDFA. We show 19 dB flat gain with ± 1.1 dB ripple over 30 nm bandwidth (1490-1520 nm) and 20 dB flat gain with ± 2.1 dB ripple over 40 nm bandwidth (1485-1525 nm). We have also carried out a detailed tolerance study of the designed Sband EDFA with respect to the outer cladding parameters.
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Koppole Kamakshi and Vipul Rastogi "Design of dual core resonant leaky fiber for inherent gain flattening of S-band EDFA", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80011V (26 July 2011); https://doi.org/10.1117/12.892138
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