Quantum manipulation of infrared single photons for efficient detection and quantum interface by means of intracavity frequency upconversion

Huafang Dong; Haifeng Pan; Heping Zeng; Wei Lu

doi:10.1117/12.716434

14 May 2007 Quantum manipulation of infrared single photons for efficient detection and quantum interface by means of intracavity frequency upconversion

Huafang Dong, Haifeng Pan, Heping Zeng, Wei Lu

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Proceedings Volume 6542, Infrared Technology and Applications XXXIII; 65420N (2007) https://doi.org/10.1117/12.716434
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

A unidirectional intracavity pump scheme was demonstrated efficient for tunable quantum information interface capable of transferring quantum bits between photons of different wavelengths. By means of sum frequency generation in a periodically poled lithium niobate crystal placed inside a diode-pumped Nd:GdVO₄ laser cavity, single photons at telecom wavelength were upconverted into replicas around 630 nm with preserved quantum features, which could be easily tuned by adjusting the intracavity pump wavelength.

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Huafang Dong, Haifeng Pan, Heping Zeng, and Wei Lu "Quantum manipulation of infrared single photons for efficient detection and quantum interface by means of intracavity frequency upconversion", Proc. SPIE 6542, Infrared Technology and Applications XXXIII, 65420N (14 May 2007); https://doi.org/10.1117/12.716434

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