Orbital angular momentum photonic quantum interface

Light, Science & Applications
Zhi-Yuan ZhouGuang-Can Guo

Abstract

Light-carrying orbital angular momentum (OAM) has great potential in enhancing the information channel capacity in both classical and quantum optical communications. Long distance optical communication requires the wavelengths of light are situated in the low-loss communication windows, but most quantum memories currently being developed for use in a quantum repeater work at different wavelengths, so a quantum interface to bridge the wavelength gap is necessary. So far, such an interface for OAM-carried light has not been realized yet. Here, we report the first experimental realization of a quantum interface for a heralded single photon carrying OAM using a nonlinear crystal in an optical cavity. The spatial structures of input and output photons exhibit strong similarity. More importantly, single-photon coherence is preserved during up-conversion as demonstrated.

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Citations

Nov 5, 2019·Advanced Materials·Xiaopeng HuShining Zhu
Nov 27, 2019·Scientific Reports·He ZhangYu-Ping Huang
Dec 16, 2016·Optics Letters·Brannon B KlopferMark A Kasevich
Jan 11, 2017·Scientific Reports·Zhi-Han ZhuWei Gao
Apr 14, 2017·Scientific Reports·Hong LaiMehmet A Orgun
Sep 17, 2016·Physical Review Letters·Zhi-Yuan ZhouGuang-Can Guo
Jan 13, 2021·Nature Nanotechnology·Bo ChenXuehua Wang
May 28, 2019·Journal of Chemical Theory and Computation·Lyuzhou YeShaul Mukamel

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