L. Coolen, X. Brokmann, E. Giacobino, M. Dahan, J. Hermier
{"title":"CdSe胶体纳米晶体发射的低温相干时间测量","authors":"L. Coolen, X. Brokmann, E. Giacobino, M. Dahan, J. Hermier","doi":"10.1109/EQEC.2005.1567438","DOIUrl":null,"url":null,"abstract":"In this paper, precise measurement of the time coherence of CdSe nanocrystals fluorescence is reported. At low temperature, where emission linewidth is expected to be below 0.2 meV, direct linewidth measurements are not possible, due to insufficient spectrometer resolution and spectral diffusion of the emission wavelength. To obtain a higher resolution, Michelson interferometer is used. An original highly sensitive method, based on the time-correlation between the photons detected at the two interferometer outputs is developed.","PeriodicalId":179542,"journal":{"name":"EQEC '05. European Quantum Electronics Conference, 2005.","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Low-temperature coherence-time measurements for CdSe colloidal nanocrystals emission\",\"authors\":\"L. Coolen, X. Brokmann, E. Giacobino, M. Dahan, J. Hermier\",\"doi\":\"10.1109/EQEC.2005.1567438\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, precise measurement of the time coherence of CdSe nanocrystals fluorescence is reported. At low temperature, where emission linewidth is expected to be below 0.2 meV, direct linewidth measurements are not possible, due to insufficient spectrometer resolution and spectral diffusion of the emission wavelength. To obtain a higher resolution, Michelson interferometer is used. An original highly sensitive method, based on the time-correlation between the photons detected at the two interferometer outputs is developed.\",\"PeriodicalId\":179542,\"journal\":{\"name\":\"EQEC '05. European Quantum Electronics Conference, 2005.\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-06-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"EQEC '05. European Quantum Electronics Conference, 2005.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EQEC.2005.1567438\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"EQEC '05. European Quantum Electronics Conference, 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EQEC.2005.1567438","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low-temperature coherence-time measurements for CdSe colloidal nanocrystals emission
In this paper, precise measurement of the time coherence of CdSe nanocrystals fluorescence is reported. At low temperature, where emission linewidth is expected to be below 0.2 meV, direct linewidth measurements are not possible, due to insufficient spectrometer resolution and spectral diffusion of the emission wavelength. To obtain a higher resolution, Michelson interferometer is used. An original highly sensitive method, based on the time-correlation between the photons detected at the two interferometer outputs is developed.
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