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Numerical Study of the Small-Signal Modulation Bandwidth of Reflective and Traveling-Wave SOAs
We present a comprehensive numerical model for intrinsic small-signal modulation response of both reflective, and traveling-wave semiconductor optical amplifiers. We investigate the small-signal photon and carrier density spatial distribution, modulation response, and -3 dB bandwidth for uniform and...
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Published in: | Journal of lightwave technology 2015-07, Vol.33 (13), p.2758-2764 |
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container_title | Journal of lightwave technology |
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creator | Totovic, Angelina R. Crnjanski, Jasna V. Krstic, Marko M. Gvozdic, Dejan M. |
description | We present a comprehensive numerical model for intrinsic small-signal modulation response of both reflective, and traveling-wave semiconductor optical amplifiers. We investigate the small-signal photon and carrier density spatial distribution, modulation response, and -3 dB bandwidth for uniform and lossless traveling-wave modulation current model. The analysis shows that the current model does not significantly affect the modulation response as long as the modulation frequency is within the bandwidth. One of the most important results of our analysis is the discovery of the bandwidth maximum in case of a reflective semiconductor optical amplifier operating with low to moderate input optical powers and high current densities. The bandwidth can be further improved by choosing the optimal amplifier length. |
doi_str_mv | 10.1109/JLT.2015.2412252 |
format | article |
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We investigate the small-signal photon and carrier density spatial distribution, modulation response, and -3 dB bandwidth for uniform and lossless traveling-wave modulation current model. The analysis shows that the current model does not significantly affect the modulation response as long as the modulation frequency is within the bandwidth. One of the most important results of our analysis is the discovery of the bandwidth maximum in case of a reflective semiconductor optical amplifier operating with low to moderate input optical powers and high current densities. The bandwidth can be further improved by choosing the optimal amplifier length.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/JLT.2015.2412252</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>IEEE</publisher><subject>3dB bandwidth ; Bandwidth ; Charge carrier density ; Frequency modulation ; modulation response ; Optical modulation ; Photonics ; reflective SOA ; Semiconductor optical amplifiers ; small-signal analysis ; traveling-wave modulation ; traveling-wave SOA</subject><ispartof>Journal of lightwave technology, 2015-07, Vol.33 (13), p.2758-2764</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c263t-64d63127084af4ca867ff03ae9074250a891eefc1c5595a957020b7ed520c2033</citedby><cites>FETCH-LOGICAL-c263t-64d63127084af4ca867ff03ae9074250a891eefc1c5595a957020b7ed520c2033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7059204$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,54796</link.rule.ids></links><search><creatorcontrib>Totovic, Angelina R.</creatorcontrib><creatorcontrib>Crnjanski, Jasna V.</creatorcontrib><creatorcontrib>Krstic, Marko M.</creatorcontrib><creatorcontrib>Gvozdic, Dejan M.</creatorcontrib><title>Numerical Study of the Small-Signal Modulation Bandwidth of Reflective and Traveling-Wave SOAs</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>We present a comprehensive numerical model for intrinsic small-signal modulation response of both reflective, and traveling-wave semiconductor optical amplifiers. We investigate the small-signal photon and carrier density spatial distribution, modulation response, and -3 dB bandwidth for uniform and lossless traveling-wave modulation current model. The analysis shows that the current model does not significantly affect the modulation response as long as the modulation frequency is within the bandwidth. One of the most important results of our analysis is the discovery of the bandwidth maximum in case of a reflective semiconductor optical amplifier operating with low to moderate input optical powers and high current densities. The bandwidth can be further improved by choosing the optimal amplifier length.</description><subject>3dB bandwidth</subject><subject>Bandwidth</subject><subject>Charge carrier density</subject><subject>Frequency modulation</subject><subject>modulation response</subject><subject>Optical modulation</subject><subject>Photonics</subject><subject>reflective SOA</subject><subject>Semiconductor optical amplifiers</subject><subject>small-signal analysis</subject><subject>traveling-wave modulation</subject><subject>traveling-wave SOA</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9kE1PwkAQhjdGExG9m3jZP1Ccnd3ttkckihqUxGK82azbWVhTWtMWDP_eEoineTPvx-Fh7FrASAhIb59nixGC0CNUAlHjCRsIrZMIUchTNgAjZZQYVOfsom2_AYRSiRmwz9fNmprgbMmzblPseO15tyKerW1ZRllYVr3zUheb0nahrvidrYrfUHSrffCNfEmuC1vi_ZsvGrulMlTL6KMXPJuP20t25m3Z0tXxDtn7w_1i8hjN5tOnyXgWOYxlF8WqiKVAA4myXjmbxMZ7kJZSMAo12CQVRN4Jp3WqbaoNIHwZKjSCQ5ByyOCw65q6bRvy-U8T1rbZ5QLyPZ-855Pv-eRHPn3l5lAJRPQfN6BTBCX_AIgXYK4</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Totovic, Angelina R.</creator><creator>Crnjanski, Jasna V.</creator><creator>Krstic, Marko M.</creator><creator>Gvozdic, Dejan M.</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150701</creationdate><title>Numerical Study of the Small-Signal Modulation Bandwidth of Reflective and Traveling-Wave SOAs</title><author>Totovic, Angelina R. ; Crnjanski, Jasna V. ; Krstic, Marko M. ; Gvozdic, Dejan M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-64d63127084af4ca867ff03ae9074250a891eefc1c5595a957020b7ed520c2033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>3dB bandwidth</topic><topic>Bandwidth</topic><topic>Charge carrier density</topic><topic>Frequency modulation</topic><topic>modulation response</topic><topic>Optical modulation</topic><topic>Photonics</topic><topic>reflective SOA</topic><topic>Semiconductor optical amplifiers</topic><topic>small-signal analysis</topic><topic>traveling-wave modulation</topic><topic>traveling-wave SOA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Totovic, Angelina R.</creatorcontrib><creatorcontrib>Crnjanski, Jasna V.</creatorcontrib><creatorcontrib>Krstic, Marko M.</creatorcontrib><creatorcontrib>Gvozdic, Dejan M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE/IET Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Totovic, Angelina R.</au><au>Crnjanski, Jasna V.</au><au>Krstic, Marko M.</au><au>Gvozdic, Dejan M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical Study of the Small-Signal Modulation Bandwidth of Reflective and Traveling-Wave SOAs</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2015-07-01</date><risdate>2015</risdate><volume>33</volume><issue>13</issue><spage>2758</spage><epage>2764</epage><pages>2758-2764</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>We present a comprehensive numerical model for intrinsic small-signal modulation response of both reflective, and traveling-wave semiconductor optical amplifiers. We investigate the small-signal photon and carrier density spatial distribution, modulation response, and -3 dB bandwidth for uniform and lossless traveling-wave modulation current model. The analysis shows that the current model does not significantly affect the modulation response as long as the modulation frequency is within the bandwidth. One of the most important results of our analysis is the discovery of the bandwidth maximum in case of a reflective semiconductor optical amplifier operating with low to moderate input optical powers and high current densities. The bandwidth can be further improved by choosing the optimal amplifier length.</abstract><pub>IEEE</pub><doi>10.1109/JLT.2015.2412252</doi><tpages>7</tpages></addata></record> |
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subjects | 3dB bandwidth Bandwidth Charge carrier density Frequency modulation modulation response Optical modulation Photonics reflective SOA Semiconductor optical amplifiers small-signal analysis traveling-wave modulation traveling-wave SOA |
title | Numerical Study of the Small-Signal Modulation Bandwidth of Reflective and Traveling-Wave SOAs |
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