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Generation and Compression of Chirped Biphotons

S. Sensarn, G. Y. Yin, and S. E. Harris
Phys. Rev. Lett. 104, 253602 – Published 22 June 2010
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Abstract

We describe an experiment demonstrating the radarlike technique of “chirp and compress.” Chirped biphotons are generated using a quasi-phase-matched nonlinear crystal where the phase-matched frequency varies linearly with position. Sum frequency generation is used to measure the amplitude of the biphoton wave function. As compared to a nonchirped crystal, compression and an increase in summing efficiency of a factor of 5 is observed.

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  • Received 7 April 2010

DOI:https://doi.org/10.1103/PhysRevLett.104.253602

©2010 American Physical Society

Synopsis

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Chirp and compress

Published 9 July 2010

The power enhancement from compressing an entangled photon pair opens applications in quantum information processing based on optics.

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Authors & Affiliations

S. Sensarn*, G. Y. Yin, and S. E. Harris

  • Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA

  • *sensarn@stanford.edu

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Issue

Vol. 104, Iss. 25 — 25 June 2010

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