Coupling of nitrogen-vacancy centers in diamond to a GaP waveguide
K.-M.C. Fu, C. Santori, P.E. Barclay, I. Aharonovich, S. Prawer, N., Meyer, A. M. Holm, and R.G. Beausoleil
TL;DR
This paper demonstrates the optical coupling between GaP waveguides and NV centers in diamond, highlighting potential for quantum information devices by measuring mode penetration and loss.
Contribution
It introduces a novel coupling method between GaP waveguides and NV centers, advancing integrated quantum photonics in diamond.
Findings
Measured electric field penetration into diamond
Quantified guided mode loss in GaP waveguides
Showed potential for quantum device integration
Abstract
The optical coupling of guided modes in a GaP waveguide to nitrogen-vacancy (NV) centers in diamond is demonstrated. The electric field penetration into diamond and the loss of the guided mode are measured. The results indicate that the GaP-diamond system could be useful for realizing coupled microcavity-NV devices for quantum information processing in diamond.
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