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Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation

A dual-wavelength (DW) fiber laser with a closely spaced single longitudinal mode (SLM) output is proposed and demonstrated. The proposed fiber laser utilizes a conventional fiber Bragg grating with a center wavelength of about 1546.8 nm in conjunction with an ultranarrow bandwidth tunable optical f...

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Main Authors: Ahmad, Harith, Razak, N.F., Zulkifli, M.Z., Muhammad, F.D., Munajat, Y., Harun, Sulaiman Wadi
Format: Article
Published: Optical Society of America 2014
Subjects:
QC Physics
Online Access:http://eprints.um.edu.my/14333/
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-53-19-4123
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spelling my.um.eprints.143332018-10-09T05:18:13Z http://eprints.um.edu.my/14333/ Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation Ahmad, Harith Razak, N.F. Zulkifli, M.Z. Muhammad, F.D. Munajat, Y. Harun, Sulaiman Wadi QC Physics A dual-wavelength (DW) fiber laser with a closely spaced single longitudinal mode (SLM) output is proposed and demonstrated. The proposed fiber laser utilizes a conventional fiber Bragg grating with a center wavelength of about 1546.8 nm in conjunction with an ultranarrow bandwidth tunable optical filter to generate the desired DW SLM output. Observations with a very high resolution optical spectrum analyzer, which was capable of achieving resolutions up to 0.16 pm, revealed detailed spectral characteristics not characteristically seen before. A channel spacing of up to 58 nm was realized, and spacing as small as 2 pm was achieved. The minimum channel spacing and its resulting beat frequency are the narrowest observed yet to the best of our knowledge for a DW fiber laser at room temperature. Optical Society of America 2014 Article PeerReviewed Ahmad, Harith and Razak, N.F. and Zulkifli, M.Z. and Muhammad, F.D. and Munajat, Y. and Harun, Sulaiman Wadi (2014) Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation. Applied Optics, 53 (19). pp. 4123-4127. ISSN 0003-6935 https://www.osapublishing.org/ao/abstract.cfm?uri=ao-53-19-4123 doi: 10.1364/AO.53.004123
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
spellingShingle QC Physics
Ahmad, Harith
Razak, N.F.
Zulkifli, M.Z.
Muhammad, F.D.
Munajat, Y.
Harun, Sulaiman Wadi
Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
description A dual-wavelength (DW) fiber laser with a closely spaced single longitudinal mode (SLM) output is proposed and demonstrated. The proposed fiber laser utilizes a conventional fiber Bragg grating with a center wavelength of about 1546.8 nm in conjunction with an ultranarrow bandwidth tunable optical filter to generate the desired DW SLM output. Observations with a very high resolution optical spectrum analyzer, which was capable of achieving resolutions up to 0.16 pm, revealed detailed spectral characteristics not characteristically seen before. A channel spacing of up to 58 nm was realized, and spacing as small as 2 pm was achieved. The minimum channel spacing and its resulting beat frequency are the narrowest observed yet to the best of our knowledge for a DW fiber laser at room temperature.
format Article
author Ahmad, Harith
Razak, N.F.
Zulkifli, M.Z.
Muhammad, F.D.
Munajat, Y.
Harun, Sulaiman Wadi
author_facet Ahmad, Harith
Razak, N.F.
Zulkifli, M.Z.
Muhammad, F.D.
Munajat, Y.
Harun, Sulaiman Wadi
author_sort Ahmad, Harith
title Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
title_short Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
title_full Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
title_fullStr Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
title_full_unstemmed Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
title_sort closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation
publisher Optical Society of America
publishDate 2014
url http://eprints.um.edu.my/14333/
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-53-19-4123
_version_ 1643689785411239936
score 13.211869

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