Few-photon heterodyne spectroscopy

被引:6
|
作者
Amaral, G. C. [1 ]
Ferreira da Silva, T. [1 ,2 ]
Temporao, G. P. [1 ]
von der Weid, J. P. [1 ]
机构
[1] Pontifical Catholic Univ Rio de Janeiro, Ctr Telecommun Studies, BR-22451900 Rio De Janeiro, Brazil
[2] Natl Inst Metrol Qual & Technol, Opt Metrol Div, BR-25250020 Duque De Caxias, Brazil
关键词
2-PHOTON INTERFERENCE;
D O I
10.1364/OL.41.001502
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We perform a high-resolution Fourier transform spectroscopy of optical sources in the few-photon regime based on the phenomenon of two-photon interference in a beam splitter. From the heterodyne interferogram, between test and reference sources, it is possible to obtain the spectrum of the test source relative to that of the reference. The method proves to be a useful asset for spectral characterization of faint optical sources below the range covered by classical heterodyne beating techniques. (C) 2016 Optical Society of America
引用
收藏
页码:1502 / 1505
页数:4
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