Experimental Interference of Independent Photons

Author(s): R. Kaltenbaek, B. Blauensteiner, M. Zukowski, M. Aspelmeyer

Journal: Physical Review Letters

Volume: 96

Page(s): 240502

Year: 2006

DOI Number: --

Link: Link to publication

Abstract:

Interference of photons emerging from independent sources is essential for modern quantuminformation processing schemes, above all quantum repeaters and linear-optics quantum computers.

We report an observation of nonclassical interference of two single photons originating from two independent, separated sources, which were actively synchronized with a rms timing jitter of 260 fs.

The resulting (two-photon) interference visibility was (83  4)%.

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