Coherent dual-frequency signal generation in an optoelectronic oscillator
Coherent dual-frequency microwave signal generation using an optoelectronic oscillator (OEO) is presented and demonstrated. In the proposed OEO, a dual-band bandpass filter (DB-BPF) is utilized to select two oscillation modes. An external signal is injected into the OEO loop with its frequency equal...
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| Veröffentlicht in: | Optics letters 2023-06, Vol.48 (11), p.2921-2924 |
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| container_issue | 11 |
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| container_title | Optics letters |
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| creator | Liu, Shifeng Du, Changlong Yang, Li Liu, Mingzhen Tang, Zhenzhou Pan, Shilong |
| description | Coherent dual-frequency microwave signal generation using an optoelectronic oscillator (OEO) is presented and demonstrated. In the proposed OEO, a dual-band bandpass filter (DB-BPF) is utilized to select two oscillation modes. An external signal is injected into the OEO loop with its frequency equaling the frequency interval of the two oscillation modes. Owing to the modulation nonlinearity of the Mach-Zehnder modulator, the two oscillation frequencies interact with the injection frequency. When the phase and gain conditions are satisfied within the loop, injection locking between the two oscillation signals will be established, and their phases will be synchronized. The effect of gain competition in the OEO loop, which leads to single-frequency oscillation, is suppressed. An experiment is carried out, and two frequencies, of 16.083 GHz and 9.998 GHz, are generated at the same time. The phase noise values are -140.1 and -141.0 dBc/Hz @ 10 kHz, respectively. The coherence between the generated signals and sidemode suppression performance are evaluated. |
| doi_str_mv | 10.1364/OL.488711 |
| format | Article |
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In the proposed OEO, a dual-band bandpass filter (DB-BPF) is utilized to select two oscillation modes. An external signal is injected into the OEO loop with its frequency equaling the frequency interval of the two oscillation modes. Owing to the modulation nonlinearity of the Mach-Zehnder modulator, the two oscillation frequencies interact with the injection frequency. When the phase and gain conditions are satisfied within the loop, injection locking between the two oscillation signals will be established, and their phases will be synchronized. The effect of gain competition in the OEO loop, which leads to single-frequency oscillation, is suppressed. An experiment is carried out, and two frequencies, of 16.083 GHz and 9.998 GHz, are generated at the same time. The phase noise values are -140.1 and -141.0 dBc/Hz @ 10 kHz, respectively. The coherence between the generated signals and sidemode suppression performance are evaluated.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.488711</identifier><identifier>PMID: 37262244</identifier><language>eng</language><publisher>United States: Optical Society of America</publisher><subject>Bandpass filters ; Coherence ; Frequency locking ; Mach-Zehnder interferometers ; Optoelectronics ; Oscillation modes ; Oscillators ; Phase noise ; Signal generation</subject><ispartof>Optics letters, 2023-06, Vol.48 (11), p.2921-2924</ispartof><rights>Copyright Optical Society of America Jun 1, 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-5cfc47b365b90945f81bb57b0081e0c21881e91e8119667e4f2e535c1f017aec3</citedby><cites>FETCH-LOGICAL-c313t-5cfc47b365b90945f81bb57b0081e0c21881e91e8119667e4f2e535c1f017aec3</cites><orcidid>0000-0003-2620-7272 ; 0000-0001-6081-7854</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3245,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37262244$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Shifeng</creatorcontrib><creatorcontrib>Du, Changlong</creatorcontrib><creatorcontrib>Yang, Li</creatorcontrib><creatorcontrib>Liu, Mingzhen</creatorcontrib><creatorcontrib>Tang, Zhenzhou</creatorcontrib><creatorcontrib>Pan, Shilong</creatorcontrib><title>Coherent dual-frequency signal generation in an optoelectronic oscillator</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>Coherent dual-frequency microwave signal generation using an optoelectronic oscillator (OEO) is presented and demonstrated. In the proposed OEO, a dual-band bandpass filter (DB-BPF) is utilized to select two oscillation modes. An external signal is injected into the OEO loop with its frequency equaling the frequency interval of the two oscillation modes. Owing to the modulation nonlinearity of the Mach-Zehnder modulator, the two oscillation frequencies interact with the injection frequency. When the phase and gain conditions are satisfied within the loop, injection locking between the two oscillation signals will be established, and their phases will be synchronized. The effect of gain competition in the OEO loop, which leads to single-frequency oscillation, is suppressed. An experiment is carried out, and two frequencies, of 16.083 GHz and 9.998 GHz, are generated at the same time. The phase noise values are -140.1 and -141.0 dBc/Hz @ 10 kHz, respectively. The coherence between the generated signals and sidemode suppression performance are evaluated.</description><subject>Bandpass filters</subject><subject>Coherence</subject><subject>Frequency locking</subject><subject>Mach-Zehnder interferometers</subject><subject>Optoelectronics</subject><subject>Oscillation modes</subject><subject>Oscillators</subject><subject>Phase noise</subject><subject>Signal generation</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpdkL1OwzAYRS0EoqUw8AIoEgsMKf78E9sjqvipFKkLzFHifimpUrvYycDbY9TCwHSXo6t7DyHXQOfAC_GwKudCawVwQqYgucmFMuKUTCmIIjfSsAm5iHFLKS0U5-dkwhUrGBNiSpYL_4EB3ZCtx7rP24CfIzr7lcVu4-o-26DDUA-dd1nnstplfj947NEOwbvOZj7aru_rwYdLctbWfcSrY87I-_PT2-I1L1cvy8VjmVsOfMilba1QDS9kY6gRstXQNFI1lGpAahnolAZQA5iiUChahpJLCy0FVaPlM3J36N0Hn7bGodp10WIa4dCPsWKaMa6kSiJm5PYfuvVjSLcOlE5CQCTq_kDZ4GMM2Fb70O3q8FUBrX78VquyOvhN7M2xcWx2uP4jf4XybwnKc_E</recordid><startdate>20230601</startdate><enddate>20230601</enddate><creator>Liu, Shifeng</creator><creator>Du, Changlong</creator><creator>Yang, Li</creator><creator>Liu, Mingzhen</creator><creator>Tang, Zhenzhou</creator><creator>Pan, Shilong</creator><general>Optical Society of America</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-2620-7272</orcidid><orcidid>https://orcid.org/0000-0001-6081-7854</orcidid></search><sort><creationdate>20230601</creationdate><title>Coherent dual-frequency signal generation in an optoelectronic oscillator</title><author>Liu, Shifeng ; Du, Changlong ; Yang, Li ; Liu, Mingzhen ; Tang, Zhenzhou ; Pan, Shilong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-5cfc47b365b90945f81bb57b0081e0c21881e91e8119667e4f2e535c1f017aec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Bandpass filters</topic><topic>Coherence</topic><topic>Frequency locking</topic><topic>Mach-Zehnder interferometers</topic><topic>Optoelectronics</topic><topic>Oscillation modes</topic><topic>Oscillators</topic><topic>Phase noise</topic><topic>Signal generation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Shifeng</creatorcontrib><creatorcontrib>Du, Changlong</creatorcontrib><creatorcontrib>Yang, Li</creatorcontrib><creatorcontrib>Liu, Mingzhen</creatorcontrib><creatorcontrib>Tang, Zhenzhou</creatorcontrib><creatorcontrib>Pan, Shilong</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Shifeng</au><au>Du, Changlong</au><au>Yang, Li</au><au>Liu, Mingzhen</au><au>Tang, Zhenzhou</au><au>Pan, Shilong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coherent dual-frequency signal generation in an optoelectronic oscillator</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2023-06-01</date><risdate>2023</risdate><volume>48</volume><issue>11</issue><spage>2921</spage><epage>2924</epage><pages>2921-2924</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>Coherent dual-frequency microwave signal generation using an optoelectronic oscillator (OEO) is presented and demonstrated. In the proposed OEO, a dual-band bandpass filter (DB-BPF) is utilized to select two oscillation modes. An external signal is injected into the OEO loop with its frequency equaling the frequency interval of the two oscillation modes. Owing to the modulation nonlinearity of the Mach-Zehnder modulator, the two oscillation frequencies interact with the injection frequency. When the phase and gain conditions are satisfied within the loop, injection locking between the two oscillation signals will be established, and their phases will be synchronized. The effect of gain competition in the OEO loop, which leads to single-frequency oscillation, is suppressed. An experiment is carried out, and two frequencies, of 16.083 GHz and 9.998 GHz, are generated at the same time. The phase noise values are -140.1 and -141.0 dBc/Hz @ 10 kHz, respectively. The coherence between the generated signals and sidemode suppression performance are evaluated.</abstract><cop>United States</cop><pub>Optical Society of America</pub><pmid>37262244</pmid><doi>10.1364/OL.488711</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0003-2620-7272</orcidid><orcidid>https://orcid.org/0000-0001-6081-7854</orcidid></addata></record> |
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| ispartof | Optics letters, 2023-06, Vol.48 (11), p.2921-2924 |
| issn | 0146-9592 1539-4794 |
| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | Bandpass filters Coherence Frequency locking Mach-Zehnder interferometers Optoelectronics Oscillation modes Oscillators Phase noise Signal generation |
| title | Coherent dual-frequency signal generation in an optoelectronic oscillator |
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