Design of diamond microcavities for single photon frequency down-conversion
Zin Lin, Steven G. Johnson, Alejandro W. Rodriguez, M. Loncar
TL;DR
This paper proposes monolithic diamond microcavities for efficient single-photon frequency down-conversion to telecom bands, providing a detailed theoretical analysis of the process and practical considerations.
Contribution
It introduces a novel design for diamond microcavities enabling efficient single-photon frequency conversion with realistic power requirements.
Findings
High conversion efficiency predicted
Power requirements are sustainable ($ extless 1~ ext{W}$)
Analysis includes nonlinear phase shifts and frequency mismatch
Abstract
We propose monolithic diamond cavities that can be used to convert color-center Fock-state single photons from emission wavelengths to telecommunication bands. We present a detailed theoretical description of the conversion process, analyzing important practical concerns such as nonlinear phase shifts and frequency mismatch. Our analysis predicts sustainable power requirements () for a chipscale nonlinear device with high conversion efficiencies.
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