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

  • Zäh F University of Bern, Institute of Applied Physics, Bern, Switzerland. florian.zaeh@iap.unibe.ch
  • Halder M
  • Feurer T
  • 2008-10-15
Published in:
  • Optics express. - 2008
Computer Simulation
Energy Transfer
Light
Models, Theoretical
Photometry
Photons
Scattering, Radiation
English 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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  • English
Open access status
green
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https://sonar.ch/global/documents/114988
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