{"title":"Imaging via spatial light modulation at photon-counting light levels","authors":"J. Hunt, R. Holmes, F. Mccormick","doi":"10.1364/slma.1995.ltha4","DOIUrl":null,"url":null,"abstract":"Summary form only given. In summary when an incoming photon is absorbed by the avalanche photodiode (APD) under applied voltage, a localized avalanche of charge carriers is created. The electron avalanche causes localized heating, which alters the local optical properties (index of refraction) of the diode, allowing it to act as a spatial light modulator. Amplitude modulation may be easily achieved by using the front and backsurfaces of the APD to form a Fabry Perot interferometer. This thermo-optic modulation is observed even when a single photon initiates the response.","PeriodicalId":22169,"journal":{"name":"Summaries of papers presented at the Conference on Lasers and Electro-Optics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1994-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Summaries of papers presented at the Conference on Lasers and Electro-Optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/slma.1995.ltha4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Summary form only given. In summary when an incoming photon is absorbed by the avalanche photodiode (APD) under applied voltage, a localized avalanche of charge carriers is created. The electron avalanche causes localized heating, which alters the local optical properties (index of refraction) of the diode, allowing it to act as a spatial light modulator. Amplitude modulation may be easily achieved by using the front and backsurfaces of the APD to form a Fabry Perot interferometer. This thermo-optic modulation is observed even when a single photon initiates the response.
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