Encoding and decoding of biphoton wavepackets
Joseph M. Lukens, Amir Dezfooliyan, Carsten Langrock, M. M. Fejer, Daniel E. Leaird, Andrew M. Weiner · 2014
We demonstrate orthogonal spectral coding of entangled photons for the first time. Applying one code to the signal photon spreads and scrambles the biphoton; only by properly decoding the idler is the original biphoton recovered.