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Long-wavelength erbium-doped fiber amplifier gain enhanced by ASE end-reflectors

Long-wavelength erbium-doped fiber amplifier gain enhanced by ASE end-reflectors
Long-wavelength erbium-doped fiber amplifier gain enhanced by ASE end-reflectors
We use for what we believe is the first time narrowband end-reflectors to reduce losses through short-wavelength amplified stimulated emission (ASE) in silica-based erbium-doped fiber amplifiers operating at wavelengths above 1570 nm. The end-reflectors feed a small fraction of the ASE, up to a few tenths of a milliwatt, back into the amplifying fiber. The reflected ASE compresses the short-wavelength gain and thus reduces the ASElosses, from, e.g., 50 mW for a launched pump power of 110 mW at 980 nm without end-reflector to 10 mW with an optimized end reflector. We investigate possible improvements of gain (around 5 dB) and output power (up to 17 mW), and the influence of the amount and wavelength of the feedback
1041-1135
1551-1553
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Yun, S.Y.
ae65c752-6b0f-4816-b318-15e8878cbea8
Hwang, S.T.
6efe52b8-7844-44fa-a55b-b4214f54819b
Kim, J.M.
b47af835-c41c-4c21-a89c-fa3a0fa5cb84
Kim, S.J.
1164a64c-4b53-4c30-a7e5-a81a87cd8d3c
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Yun, S.Y.
ae65c752-6b0f-4816-b318-15e8878cbea8
Hwang, S.T.
6efe52b8-7844-44fa-a55b-b4214f54819b
Kim, J.M.
b47af835-c41c-4c21-a89c-fa3a0fa5cb84
Kim, S.J.
1164a64c-4b53-4c30-a7e5-a81a87cd8d3c

Nilsson, J., Yun, S.Y., Hwang, S.T., Kim, J.M. and Kim, S.J. (1998) Long-wavelength erbium-doped fiber amplifier gain enhanced by ASE end-reflectors. IEEE Photonics Technology Letters, 10 (11), 1551-1553. (doi:10.1109/68.726746).

Record type: Article

Abstract

We use for what we believe is the first time narrowband end-reflectors to reduce losses through short-wavelength amplified stimulated emission (ASE) in silica-based erbium-doped fiber amplifiers operating at wavelengths above 1570 nm. The end-reflectors feed a small fraction of the ASE, up to a few tenths of a milliwatt, back into the amplifying fiber. The reflected ASE compresses the short-wavelength gain and thus reduces the ASElosses, from, e.g., 50 mW for a launched pump power of 110 mW at 980 nm without end-reflector to 10 mW with an optimized end reflector. We investigate possible improvements of gain (around 5 dB) and output power (up to 17 mW), and the influence of the amount and wavelength of the feedback

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More information

Published date: November 1998

Identifiers

Local EPrints ID: 77912
URI: https://eprints.soton.ac.uk/id/eprint/77912
ISSN: 1041-1135
PURE UUID: aa726fc8-853f-4893-a4c7-a10802703fe3
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

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Date deposited: 11 Mar 2010
Last modified: 10 Sep 2019 00:50

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