Bi-doped fiber amplifier with a flat gain of 25dB operating in the wavelength band 1320-1360nm
Bi-doped fiber amplifier with a flat gain of 25dB operating in the wavelength band 1320-1360nm
Bismuth (Bi) -doped phosphosilicate fibers have been fabricated by the modified chemical vapor deposition (MCVD) -solution doping technique under different process conditions. The influence of fabrication conditions on unsaturable loss in fibers has been investigated. Pump wavelength dependent Bi gain has been studied to obtain a flat gain over a wide bandwidth. A diode pumped all-fiber Bi-doped amplifier with a flat gain of 25 ± 1dB from 1320-1360nm (40nm) has been demonstrated for -10 dBm of input signal power with a noise figure (NF) ranging from 4–6 dB. Moreover, a small signal gain of 29 dB and a NF of 4.5dB at 1340 nm have been achieved for an input signal power of -30dBm.
1518-1521
Thipparapu, Naresh Kumar
a36a2b4c-b75c-4976-a753-b5fab9e54150
Umnikov, A.A.
9b57cc1b-d0f9-4c34-9409-a58ee0f70250
Barua, P.
ab53bdd9-e00f-46b0-b4f4-5ab6534fe8a6
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
1 April 2016
Thipparapu, Naresh Kumar
a36a2b4c-b75c-4976-a753-b5fab9e54150
Umnikov, A.A.
9b57cc1b-d0f9-4c34-9409-a58ee0f70250
Barua, P.
ab53bdd9-e00f-46b0-b4f4-5ab6534fe8a6
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Thipparapu, Naresh Kumar, Umnikov, A.A., Barua, P. and Sahu, J.K.
(2016)
Bi-doped fiber amplifier with a flat gain of 25dB operating in the wavelength band 1320-1360nm.
Optics Letters, 41 (7), .
(doi:10.1364/OL.41.001518).
Abstract
Bismuth (Bi) -doped phosphosilicate fibers have been fabricated by the modified chemical vapor deposition (MCVD) -solution doping technique under different process conditions. The influence of fabrication conditions on unsaturable loss in fibers has been investigated. Pump wavelength dependent Bi gain has been studied to obtain a flat gain over a wide bandwidth. A diode pumped all-fiber Bi-doped amplifier with a flat gain of 25 ± 1dB from 1320-1360nm (40nm) has been demonstrated for -10 dBm of input signal power with a noise figure (NF) ranging from 4–6 dB. Moreover, a small signal gain of 29 dB and a NF of 4.5dB at 1340 nm have been achieved for an input signal power of -30dBm.
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Bi-doped fiber amplifier with a flat gain of 25 dB operating in the wavelength band 1320-1360 nm.pdf
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Accepted/In Press date: 23 February 2016
e-pub ahead of print date: 25 March 2016
Published date: 1 April 2016
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 387904
URI: http://eprints.soton.ac.uk/id/eprint/387904
ISSN: 0146-9592
PURE UUID: f3be48d8-8dcb-474e-9715-cf2e3a4a17e6
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Date deposited: 06 Apr 2016 11:10
Last modified: 15 Mar 2024 03:09
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