Second-order interference of two independent and tunable single-mode continuous-wave lasers

The second-order temporal interference of two independent single-mode continuous-wave lasers is discussed by em- ploying two-photon interference in Feynman＇s path integral theory. It is concluded that whether the second-order temporal interference pattern can or cannot be retrieved via two-photon co...

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Bibliographic Details
Published in:Chinese physics B 2016-03, Vol.25 (3), p.194-199
Main Author: 刘建彬 卫栋 陈辉 周宇 郑淮斌 高宏 李福利 徐卓
Format: Article
Language:English
Subjects:
Diode lasers
Integrals
Interference
Lasers
Photons
Spectra
二阶
单模
双光子干涉
可调谐
干扰模式
独立和
路径积分理论
连续波激光器
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Summary:The second-order temporal interference of two independent single-mode continuous-wave lasers is discussed by em- ploying two-photon interference in Feynman＇s path integral theory. It is concluded that whether the second-order temporal interference pattern can or cannot be retrieved via two-photon coincidence counting rate is dependent on the resolution time of the detection system and the frequency difference between these two lasers. Two identical and tunable single-mode continuous-wave diode lasers are employed to verify the predictions. These studies are helpful to understand the physics of two-photon interference with photons of different spectra.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/3/034203