Towards single-photon switching via two-photon absorption in Rb vapor

Tabijah Wasawo; Carlo Page; Alex Davis; Cameron McGarry; Josh Nunn

doi:10.1117/12.2648335

9 March 2023 Towards single-photon switching via two-photon absorption in Rb vapor

Tabijah Wasawo, Carlo Page, Alex Davis, Cameron McGarry, Josh Nunn

Proceedings Volume PC12446, Quantum Computing, Communication, and Simulation III; PC1244613 (2023) https://doi.org/10.1117/12.2648335
Event: SPIE Quantum West, 2023, San Francisco, California, United States

Abstract

Strong nonlinearities mediated by atomic vapours have the potential to achieve optically controlled switching at room temperature, opening the way to scalable quantum computing. A strong candidate for engineering such interactions is the combination of optical waveguides and cavities with warm alkali vapours. Here we report the implementation of a doubly resonant cavity that translates Kerr nonlinearity induced by an optical control field into a switch for a signal field. We investigate losses and consider optimised designs. We discuss this model in the context of building practical switching devices with applications to logic gate operations at room temperature.

Conference Presentation

Citation Download Citation

Tabijah Wasawo, Carlo Page, Alex Davis, Cameron McGarry, and Josh Nunn "Towards single-photon switching via two-photon absorption in Rb vapor", Proc. SPIE PC12446, Quantum Computing, Communication, and Simulation III, PC1244613 (9 March 2023); https://doi.org/10.1117/12.2648335

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