{"title":"InSb的动态带解封与泄漏双光子吸收","authors":"M. Hasselbeck, E. W. Stryland, M. Sheik-Bahae","doi":"10.1103/PHYSREVB.56.7395","DOIUrl":null,"url":null,"abstract":"Summary form only given. The temperature dependence of two-photon absorption (2PA) in InSb has been studied with CO/sub 2/ lasers for many years. When this semiconductor is cooled to <20 K, the optical absorption edge increases so that 2PA is just out of resonance with 10.6 /spl mu/m laser light (2/spl planck//spl omega/<E/sub g/). This is due to a combination of bandgap expansion at low lattice temperature and band-blocking by conduction electrons. In a series of experiments we show that intense, picosecond CO/sub 2/ laser pulses can remove band-blocking, turning on \"leakage\" 2PA.","PeriodicalId":21999,"journal":{"name":"Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1996-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"Dynamic band unblocking and leakage two-photon absorption in InSb\",\"authors\":\"M. Hasselbeck, E. W. Stryland, M. Sheik-Bahae\",\"doi\":\"10.1103/PHYSREVB.56.7395\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Summary form only given. The temperature dependence of two-photon absorption (2PA) in InSb has been studied with CO/sub 2/ lasers for many years. When this semiconductor is cooled to <20 K, the optical absorption edge increases so that 2PA is just out of resonance with 10.6 /spl mu/m laser light (2/spl planck//spl omega/<E/sub g/). This is due to a combination of bandgap expansion at low lattice temperature and band-blocking by conduction electrons. In a series of experiments we show that intense, picosecond CO/sub 2/ laser pulses can remove band-blocking, turning on \\\"leakage\\\" 2PA.\",\"PeriodicalId\":21999,\"journal\":{\"name\":\"Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-06-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1103/PHYSREVB.56.7395\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1103/PHYSREVB.56.7395","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dynamic band unblocking and leakage two-photon absorption in InSb
Summary form only given. The temperature dependence of two-photon absorption (2PA) in InSb has been studied with CO/sub 2/ lasers for many years. When this semiconductor is cooled to <20 K, the optical absorption edge increases so that 2PA is just out of resonance with 10.6 /spl mu/m laser light (2/spl planck//spl omega/
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