Purcell enhancement of tin-vacancy centers in diamond

Daniel Riedel; Alison Rugar; Shahriar Aghaeimeibodi; Constantin Dory; Haiyu Lu; Patrick McQuade; Zhi-Xun Shen; Nicholas Melosh; Jelena Vuckovic

doi:10.1117/12.2608870

9 March 2022 Purcell enhancement of tin-vacancy centers in diamond

Daniel Riedel, Alison Rugar, Shahriar Aghaeimeibodi, Constantin Dory, Haiyu Lu, Patrick McQuade, Zhi-Xun Shen, Nicholas Melosh, Jelena Vuckovic

Author Affiliations +

Proceedings Volume PC12015, Quantum Computing, Communication, and Simulation II; PC120150I (2022) https://doi.org/10.1117/12.2608870
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Quantum networks rely on the efficient coupling of coherent quantum memories to photonic links. Tin-vacancy centers (SnV) have emerged as promising candidates for the implementation of an optically interfaced quantum memory based on their long spin coherence times at temperatures above 1K. To enhance their interaction with photons SnV centers need to be integrated with high-quality photonic structures. In this work, we report the enhancement of coherent emission of SnV centers by coupling them to a nanophotonic waveguide resonator. We observe strong intensity enhancement of the photon emission when the cavity is resonant with the color center. We demonstrate strong enhancement of the radiative recombination rate of SnV centers resulting in their predominant emission via the coherent zero-phonon line and into the cavity mode. These results are a significant step toward color-center-based quantum information processing applications without the need for dilution refrigerators.

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Daniel Riedel, Alison Rugar, Shahriar Aghaeimeibodi, Constantin Dory, Haiyu Lu, Patrick McQuade, Zhi-Xun Shen, Nicholas Melosh, and Jelena Vuckovic "Purcell enhancement of tin-vacancy centers in diamond", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC120150I (9 March 2022); https://doi.org/10.1117/12.2608870

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