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Proceedings Paper

NV-based quantum memories coupled to photonic integrated circuits
Author(s): Sara Mouradian; Tim Schröder; Jiabao Zheng; Tsung-Ju Lu; Hyeongrak Choi; Noel Wan; Michael Walsh; Eric Bersin; Dirk Englund
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Paper 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.

Paper Details

Date Published: 16 September 2016
PDF: 6 pages
Proc. SPIE 9920, Active Photonic Materials VIII, 992014 (16 September 2016); doi: 10.1117/12.2236329
Show Author Affiliations
Sara Mouradian, Massachusetts Institute of Technology (United States)
Tim Schröder, Massachusetts Institute of Technology (United States)
Jiabao Zheng, Massachusetts Institute of Technology (United States)
Columbia Univ. (United States)
Tsung-Ju Lu, Massachusetts Institute of Technology (United States)
Hyeongrak Choi, Massachusetts Institute of Technology (United States)
Noel Wan, Massachusetts Institute of Technology (United States)
Michael Walsh, Massachusetts Institute of Technology (United States)
Eric Bersin, Massachusetts Institute of Technology (United States)
Dirk Englund, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 9920:
Active Photonic Materials VIII
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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