Effects of Raman pump power distribution on output spectrum in a multi-wavelength BRFL
This paper aims to investigate changes in multi-wavelength Brillouin-Raman fiber laser (MBRFL) spectra characteristics that are influenced by variation of Raman pump power distribution along the two fiber-entry points. This is carried out by incorporating a Raman pump source with a set of couplers w...
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Published in | Optics express Vol. 23; no. 20; pp. 25570 - 25581 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
United States
05.10.2015
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Abstract | This paper aims to investigate changes in multi-wavelength Brillouin-Raman fiber laser (MBRFL) spectra characteristics that are influenced by variation of Raman pump power distribution along the two fiber-entry points. This is carried out by incorporating a Raman pump source with a set of couplers with various ratios. In this arrangement, the optimization of pumping ratio is properly carried out to achieve high number of lasing lines with 20 GHz spacing which yield the highest peak power discrepancy between odd- and even-order lasing lines and an excellent Stokes optical signal-to-noise ratio (S-OSNR). Employment of 50/50 coupler offers 212 flat amplitude channels with an average 27.5 dB S-OSNR and -10 dBm Stokes peak power when the Brillouin pump wavelength is set at 1543 nm. Achievements such flat and wide bandwidth MBRFL spectrum with 20 GHz spacing and excellent S-OSNR utilizing just a single pump source is significant in terms of simplicity and flexibility. |
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AbstractList | This paper aims to investigate changes in multi-wavelength Brillouin-Raman fiber laser (MBRFL) spectra characteristics that are influenced by variation of Raman pump power distribution along the two fiber-entry points. This is carried out by incorporating a Raman pump source with a set of couplers with various ratios. In this arrangement, the optimization of pumping ratio is properly carried out to achieve high number of lasing lines with 20 GHz spacing which yield the highest peak power discrepancy between odd- and even-order lasing lines and an excellent Stokes optical signal-to-noise ratio (S-OSNR). Employment of 50/50 coupler offers 212 flat amplitude channels with an average 27.5 dB S-OSNR and -10 dBm Stokes peak power when the Brillouin pump wavelength is set at 1543 nm. Achievements such flat and wide bandwidth MBRFL spectrum with 20 GHz spacing and excellent S-OSNR utilizing just a single pump source is significant in terms of simplicity and flexibility. |
Author | Mamdoohi, G Sarmani, A R Abu Bakar, M H Mahdi, M A |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/26480073$$D View this record in MEDLINE/PubMed |
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CitedBy_id | crossref_primary_10_1016_j_optlastec_2021_107464 crossref_primary_10_1364_OE_23_029127 crossref_primary_10_1016_j_yofte_2023_103246 crossref_primary_10_1088_2040_8986_ac2165 crossref_primary_10_1364_AO_59_000363 crossref_primary_10_1364_AO_409805 crossref_primary_10_1364_OE_26_030978 crossref_primary_10_1364_OE_518755 crossref_primary_10_1109_LPT_2020_3017284 crossref_primary_10_1016_j_optcom_2019_124402 crossref_primary_10_1016_j_yofte_2017_04_004 |
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Title | Effects of Raman pump power distribution on output spectrum in a multi-wavelength BRFL |
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