NV-based quantum memories coupled to photonic integrated circuits

Sara Mouradian; Tim Schröder; Jiabao Zheng; Tsung-Ju Lu; Hyeongrak Choi; Noel Wan; Michael Walsh; Eric Bersin; Dirk Englund

doi:10.1117/12.2236329

16 September 2016 NV-based quantum memories coupled to photonic integrated circuits

Sara Mouradian, Tim Schröder, Jiabao Zheng, Tsung-Ju Lu, Hyeongrak Choi, Noel Wan, Michael Walsh, Eric Bersin, Dirk Englund

Author Affiliations +

Proceedings Volume 9920, Active Photonic Materials VIII; 992014 (2016) https://doi.org/10.1117/12.2236329
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

The negatively charged nitrogen vacancy (NV) center in diamond is a promising solid-state quantum memory. However, developing networks comprising such quantum memories is limited by the fabrication yield of the quantum nodes and the collection efficiency of indistinguishable photons. In this letter, we report on advances on a hybrid quantum system that allows for scalable production of networks, even with low-yield node fabrication. Moreover, an NV center in a simple single mode diamond waveguide is shown in simulation and experiment to couple well to a single mode SiN waveguide with a simple adiabatic taper for optimal mode transfer. In addition, cavity enhancement of the zero phonon line of the NV center with a resonance coupled to the waveguide mode allows a simulated <1800 fold increase in the collection of photon states coherent with the state of the NV center into a single frequency and spatial mode.

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Citation Download Citation

Sara Mouradian, Tim Schröder, Jiabao Zheng, Tsung-Ju Lu, Hyeongrak Choi, Noel Wan, Michael Walsh, Eric Bersin, and Dirk Englund "NV-based quantum memories coupled to photonic integrated circuits", Proc. SPIE 9920, Active Photonic Materials VIII, 992014 (16 September 2016); https://doi.org/10.1117/12.2236329

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