{"title":"梯度隙超晶格中的瞬态光折变效应","authors":"S. Ralph, F. Capasso, R. Malik","doi":"10.1364/pmed.1990.f1","DOIUrl":null,"url":null,"abstract":"We report a new type of photorefractive effect which does not rely on traps, requires only a single illumination beam and is inherently fast The effect is efficient enough to cause significant polarization rotation of a probe beam via the electro-optic effect, using only a short (2µm) interaction length. Furthermore, the temporal response can be easily controlled by changing either the intrinsic or photo-induced carrier density. The effect can also be used to examine the transport of free carriers in graded gap structures.","PeriodicalId":385625,"journal":{"name":"Topical Meeting on Photorefractive Materials, Effects, and Devices II","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Transient Photorefractive Effect in Graded Gap Superlattices\",\"authors\":\"S. Ralph, F. Capasso, R. Malik\",\"doi\":\"10.1364/pmed.1990.f1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We report a new type of photorefractive effect which does not rely on traps, requires only a single illumination beam and is inherently fast The effect is efficient enough to cause significant polarization rotation of a probe beam via the electro-optic effect, using only a short (2µm) interaction length. Furthermore, the temporal response can be easily controlled by changing either the intrinsic or photo-induced carrier density. The effect can also be used to examine the transport of free carriers in graded gap structures.\",\"PeriodicalId\":385625,\"journal\":{\"name\":\"Topical Meeting on Photorefractive Materials, Effects, and Devices II\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Topical Meeting on Photorefractive Materials, Effects, and Devices II\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1364/pmed.1990.f1\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Topical Meeting on Photorefractive Materials, Effects, and Devices II","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/pmed.1990.f1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Transient Photorefractive Effect in Graded Gap Superlattices
We report a new type of photorefractive effect which does not rely on traps, requires only a single illumination beam and is inherently fast The effect is efficient enough to cause significant polarization rotation of a probe beam via the electro-optic effect, using only a short (2µm) interaction length. Furthermore, the temporal response can be easily controlled by changing either the intrinsic or photo-induced carrier density. The effect can also be used to examine the transport of free carriers in graded gap structures.
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