Fiber Ring With Long Delay Used as a Cavity Mirror for Narrowing Fiber Laser
A fiber ring with an extremely low reflectivity fiber Bragg grating inserted as a slow-light component is proposed and demonstrated to be used as a cavity mirror with long delay for narrowing fiber laser linewidth. Due to the recirculating propagation and resonance in the ring composed of a low spli...
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| Veröffentlicht in: | IEEE photonics technology letters 2014-08, Vol.26 (16), p.1621-1624 |
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| container_end_page | 1624 |
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| container_issue | 16 |
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| container_title | IEEE photonics technology letters |
| container_volume | 26 |
| creator | Pan, Zhengqing Ye, Qing Cai, Haiwen Qu, Ronghui Fang, Zujie |
| description | A fiber ring with an extremely low reflectivity fiber Bragg grating inserted as a slow-light component is proposed and demonstrated to be used as a cavity mirror with long delay for narrowing fiber laser linewidth. Due to the recirculating propagation and resonance in the ring composed of a low split ratio coupler, the composite ring provides not only a high enough reflectivity and extremely narrow bandwidth for laser oscillation, but also an enlarged group delay. The effective reflectance and group delay of the composite ring are discussed theoretically. Its effect of laser linewidth narrowing is verified experimentally in a laser with the composite fiber ring and a high reflectivity fiber Bragg grating as cavity mirrors. Its line shape, relative intensity noise (RIN), and frequency noise (FN) are measured, showing the full-width at half-maximum linewidth of 150 Hz, RIN and FN of less than -125 dB/Hz at 500 Hz and 30 Hz/√Hz at 500 Hz, respectively. |
| doi_str_mv | 10.1109/LPT.2014.2329302 |
| format | Article |
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Due to the recirculating propagation and resonance in the ring composed of a low split ratio coupler, the composite ring provides not only a high enough reflectivity and extremely narrow bandwidth for laser oscillation, but also an enlarged group delay. The effective reflectance and group delay of the composite ring are discussed theoretically. Its effect of laser linewidth narrowing is verified experimentally in a laser with the composite fiber ring and a high reflectivity fiber Bragg grating as cavity mirrors. Its line shape, relative intensity noise (RIN), and frequency noise (FN) are measured, showing the full-width at half-maximum linewidth of 150 Hz, RIN and FN of less than -125 dB/Hz at 500 Hz and 30 Hz/√Hz at 500 Hz, respectively.</description><identifier>ISSN: 1041-1135</identifier><identifier>EISSN: 1941-0174</identifier><identifier>DOI: 10.1109/LPT.2014.2329302</identifier><identifier>CODEN: IPTLEL</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cavity resonators ; Fiber lasers ; Laser noise ; Lasers ; Measurement by laser beam ; Optical fiber couplers ; Reflectivity</subject><ispartof>IEEE photonics technology letters, 2014-08, Vol.26 (16), p.1621-1624</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2014</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-6877e23bcfbccff9a6aefa2550d73f05d8417c53fba78d4d6a2c7553b0bde7b43</citedby><cites>FETCH-LOGICAL-c291t-6877e23bcfbccff9a6aefa2550d73f05d8417c53fba78d4d6a2c7553b0bde7b43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6826563$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27928,27929,54762</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6826563$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Pan, Zhengqing</creatorcontrib><creatorcontrib>Ye, Qing</creatorcontrib><creatorcontrib>Cai, Haiwen</creatorcontrib><creatorcontrib>Qu, Ronghui</creatorcontrib><creatorcontrib>Fang, Zujie</creatorcontrib><title>Fiber Ring With Long Delay Used as a Cavity Mirror for Narrowing Fiber Laser</title><title>IEEE photonics technology letters</title><addtitle>LPT</addtitle><description>A fiber ring with an extremely low reflectivity fiber Bragg grating inserted as a slow-light component is proposed and demonstrated to be used as a cavity mirror with long delay for narrowing fiber laser linewidth. Due to the recirculating propagation and resonance in the ring composed of a low split ratio coupler, the composite ring provides not only a high enough reflectivity and extremely narrow bandwidth for laser oscillation, but also an enlarged group delay. The effective reflectance and group delay of the composite ring are discussed theoretically. Its effect of laser linewidth narrowing is verified experimentally in a laser with the composite fiber ring and a high reflectivity fiber Bragg grating as cavity mirrors. Its line shape, relative intensity noise (RIN), and frequency noise (FN) are measured, showing the full-width at half-maximum linewidth of 150 Hz, RIN and FN of less than -125 dB/Hz at 500 Hz and 30 Hz/√Hz at 500 Hz, respectively.</description><subject>Cavity resonators</subject><subject>Fiber lasers</subject><subject>Laser noise</subject><subject>Lasers</subject><subject>Measurement by laser beam</subject><subject>Optical fiber couplers</subject><subject>Reflectivity</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKt3wUvA89ZMPnePUq0K6wfS4jFks4mm1K4mW6X_3pQtHoZ5D887Aw9C50AmAKS6ql_mE0qATyijFSP0AI2g4lAQUPwwZ5IzABPH6CSlJcmkYHyE6lloXMSvYf2O30L_gesupxu3Mlu8SK7FJmGDp-Yn9Fv8GGLsIvZ5nkyOv7vWcKA2ycVTdOTNKrmz_R6jxex2Pr0v6ue7h-l1XVhaQV_IUilHWWN9Y633lZHGeUOFIK1inoi25KCsYL4xqmx5Kw21SgjWkKZ1quFsjC6Hu1-x-9641Otlt4nr_FKDkEIA8IpmigyUjV1K0Xn9FcOniVsNRO-c6exM75zpvbNcuRgqwTn3j8uSSiEZ-wM1PGbB</recordid><startdate>20140815</startdate><enddate>20140815</enddate><creator>Pan, Zhengqing</creator><creator>Ye, Qing</creator><creator>Cai, Haiwen</creator><creator>Qu, Ronghui</creator><creator>Fang, Zujie</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Due to the recirculating propagation and resonance in the ring composed of a low split ratio coupler, the composite ring provides not only a high enough reflectivity and extremely narrow bandwidth for laser oscillation, but also an enlarged group delay. The effective reflectance and group delay of the composite ring are discussed theoretically. Its effect of laser linewidth narrowing is verified experimentally in a laser with the composite fiber ring and a high reflectivity fiber Bragg grating as cavity mirrors. Its line shape, relative intensity noise (RIN), and frequency noise (FN) are measured, showing the full-width at half-maximum linewidth of 150 Hz, RIN and FN of less than -125 dB/Hz at 500 Hz and 30 Hz/√Hz at 500 Hz, respectively.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LPT.2014.2329302</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Cavity resonators Fiber lasers Laser noise Lasers Measurement by laser beam Optical fiber couplers Reflectivity |
| title | Fiber Ring With Long Delay Used as a Cavity Mirror for Narrowing Fiber Laser |
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