Amplitude and phase modulation of time-energy entangled two-photon states

Details Amplitude and phase modulation of time-energy entangled two-photon states Amplitude and phase modulation of time-energy entangled two-photon states

2009-01-22

arxiv.org/abs/0901.3510v1

Opt. Expr. 16, 2008, 16452

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

10.1364/OE.16.016452

We experimentally demonstrate amplitude and phase modulation of a time-energy entangled two-photon wave function. The entangled photons are produced by spontaneous parametric down-conversion, spectrally dispersed in an prism compressor, modulated in amplitude and/or phase, and detected in coincidence by sum-frequency generation. First, we present a Fourier optical analysis of the optical setup yielding an analytic expression for the resulting field distribution at the exit plane of the shaping apparatus. We then introduce amplitude and/or phase shaping and present results which can only be obtained through a combination of the two. Specifically, we use a shaper-based interferometer to measure the two-photon interference of an almost bandwidth-limited two-photon wave function.

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