Multi-Band Linear Frequency Modulation in External Cavity FP-LD Subjected to Multi-Input Injection

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dc.contributor.authorLee, Muyoungko
dc.contributor.authorChen, Haoko
dc.contributor.authorNakarmi, Bikashko
dc.contributor.authorPan, Shilongko
dc.contributor.authorWon, Yong Hyubko
dc.date.accessioned2021-06-02T06:10:11Z-
dc.date.available2021-06-02T06:10:11Z-
dc.date.created2021-06-01-
dc.date.created2021-06-01-
dc.date.issued2021-06-
dc.identifier.citationIEEE PHOTONICS TECHNOLOGY LETTERS, v.33, no.11, pp.565 - 568-
dc.identifier.issn1041-1135-
dc.identifier.urihttp://hdl.handle.net/10203/285451-
dc.description.abstractIn this letter, we experimentally demonstrate multi-band linear frequency modulation (LFM) signal generation subjected to multi-input optical injection in an external cavity-based Fabry-Perot laser diode (ECFP-LD). The ECFP-LD is a specially designed FP-LD with a self-injected single longitudinal mode tuned up to 10 nm. The non-linear dynamics in period-one oscillation in ECFP-LD subjected to multi-input optical injection shows unique characteristics for multi-band linear frequency modulation. In the proposed scheme, four external input beams are injected to ECFP-LD, among which one is power modulated with the saw-tooth like waveform, and others are with the constant power. The varying power beam red-shifts the self-injected mode of ECFP-LD and mode-hopping on attaining a particular power level. Hence, multi-band LFM signals are generated by beating self-injected and multi-input injected beams with a large time-bandwidth product (TBWP). The total bandwidths of 12GHz (LFM1: 33-36 GHz, LFM2: 29-32 GHz, LFM3: 25-28 GHz, LFM4: 22-25 GHz) for four-band linear frequency modulation signals with a TBWP of 12000 is measured. The generated multi-band LFM signal provides flexibility on central frequency tunability and dynamic chirp rate for a multifunctional radar system.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titleMulti-Band Linear Frequency Modulation in External Cavity FP-LD Subjected to Multi-Input Injection-
dc.typeArticle-
dc.identifier.wosid000649583700001-
dc.identifier.scopusid2-s2.0-85104684856-
dc.type.rimsART-
dc.citation.volume33-
dc.citation.issue11-
dc.citation.beginningpage565-
dc.citation.endingpage568-
dc.citation.publicationnameIEEE PHOTONICS TECHNOLOGY LETTERS-
dc.identifier.doi10.1109/LPT.2021.3073602-
dc.contributor.localauthorWon, Yong Hyub-
dc.contributor.nonIdAuthorChen, Hao-
dc.contributor.nonIdAuthorNakarmi, Bikash-
dc.contributor.nonIdAuthorPan, Shilong-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorOptical beams-
dc.subject.keywordAuthorParticle beam injection-
dc.subject.keywordAuthorOptical fibers-
dc.subject.keywordAuthorBandwidth-
dc.subject.keywordAuthorRadar-
dc.subject.keywordAuthorOptical amplifiers-
dc.subject.keywordAuthorFrequency modulation-
dc.subject.keywordAuthorExternal cavity based FP-LD-
dc.subject.keywordAuthorlinear frequency modulation-
dc.subject.keywordAuthoroptical injection-
dc.subject.keywordAuthorperiod-one oscillation-
dc.subject.keywordPlusMICROWAVE WAVE-FORM-
dc.subject.keywordPlusGENERATION-
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