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Symposium Latsis on Diamond Photonics - Physics, Technologies and Applications

Optimized diamond quantum photonics

Jelena Vuckovic A, Constantin Dory, Shuo Sun, Alison E. Rugar, Daniil M. Lukin, Melissa A. Guidry, Sattwik Deb Mishra

Published Jan 1, 2019• 1 citation
Publisher

Abstract

We present our recent progress on developing high quality qubits based on color centers in diamond silicon carbide, combined with powerful optimized photonic structures providing efficient optical interfaces and interconnects.
DOI
10.1364/dp.2019.8

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At the core of most quantum technologies, including quantum networks and quantum simulators, is the development of homogeneous, long lived qubits with excellent optical interfaces, and the development of high efficiency and robust optical interconnects for such qubits. To achieve this goal, we have been studying color centers in diamond (SiV, SnV) and silicon carbide (VSi in 4H SiC), in combination with novel fabrication techniques, and relying on the powerful and fast photonics inverse design approach that we have developed. Our inverse design approach offers a powerful tool to implement classical and quantum photonic circuits with superior properties, including robustness to errors in fabrication and temperature, compact footprints, novel functionalities, and high efficiencies. We illustrate this with a number of demonstrated devices in silicon, diamond, and silicon carbide.