Remote temporal wavepacket narrowing

Scientific Reports
Karolina Sedziak-KacprowiczPiotr Kolenderski

Abstract

Quantum communication protocols can be significantly enhanced by careful preparation of the wavepackets of the utilized photons. Following the theoretical proposal published recently by our group, we experimentally demonstrate the effect of remote temporal wavepacket narrowing of a heralded single photon produced via spontaneous parametric down-conversion. This is done by utilizing a time-resolved measurement on the heralding photon which is frequency-entangled with the heralded photon. We then investigate optimal photon pair source characteristics to minimize heralded wavepacket width.

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Citations

Sep 30, 2020·Optics Express·Vahid AnsariChristine Silberhorn

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