{"title":"利用外注入光减少半导体激光器的非线性畸变","authors":"M.H. Pua, M. K. Haldar, F. Mendis, H. Garg","doi":"10.1109/ICICS.1997.652163","DOIUrl":null,"url":null,"abstract":"It is demonstrated analytically that the static light-current characteristic of an injection-locked laser is highly linear away from the threshold and is suitable for direct intensity modulation. By using a small signal perturbative approach, expressions for the second order harmonic distortion and two-carrier third order intermodulation distortion are evaluated. At microwave frequencies, it is demonstrated that these distortions can be significantly reduced using injection locking. This is attributed to additional coupling effects between optical phase and photons under injection locking, in addition to the photon-electron interactions seen in free-running lasers.","PeriodicalId":71361,"journal":{"name":"信息通信技术","volume":"87 1","pages":"1153-1157 vol.2"},"PeriodicalIF":0.0000,"publicationDate":"1997-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Reduction of nonlinear distortion in semiconductor lasers with external light injection\",\"authors\":\"M.H. Pua, M. K. Haldar, F. Mendis, H. Garg\",\"doi\":\"10.1109/ICICS.1997.652163\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"It is demonstrated analytically that the static light-current characteristic of an injection-locked laser is highly linear away from the threshold and is suitable for direct intensity modulation. By using a small signal perturbative approach, expressions for the second order harmonic distortion and two-carrier third order intermodulation distortion are evaluated. At microwave frequencies, it is demonstrated that these distortions can be significantly reduced using injection locking. This is attributed to additional coupling effects between optical phase and photons under injection locking, in addition to the photon-electron interactions seen in free-running lasers.\",\"PeriodicalId\":71361,\"journal\":{\"name\":\"信息通信技术\",\"volume\":\"87 1\",\"pages\":\"1153-1157 vol.2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"信息通信技术\",\"FirstCategoryId\":\"1093\",\"ListUrlMain\":\"https://doi.org/10.1109/ICICS.1997.652163\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"信息通信技术","FirstCategoryId":"1093","ListUrlMain":"https://doi.org/10.1109/ICICS.1997.652163","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Reduction of nonlinear distortion in semiconductor lasers with external light injection
It is demonstrated analytically that the static light-current characteristic of an injection-locked laser is highly linear away from the threshold and is suitable for direct intensity modulation. By using a small signal perturbative approach, expressions for the second order harmonic distortion and two-carrier third order intermodulation distortion are evaluated. At microwave frequencies, it is demonstrated that these distortions can be significantly reduced using injection locking. This is attributed to additional coupling effects between optical phase and photons under injection locking, in addition to the photon-electron interactions seen in free-running lasers.
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