Optimal Coherent Filtering for Single Photons
Shaobo Gao, O. Lazo-Arjona, Benjamin Brecht, K. T. Kaczmarek, Patrick M. Ledingham, Sarah E. Thomas, Joshua Nunn, D. J. Saunders, Ian A. Walmsley · 2019
We propose a quantum buffer which optimally filters the temporal-spectral mode of single photon source. We theoretically show that using a Cs vapour, an increase of indistinguishably with minimal loss of brightness can be achieved.