AI Article Synopsis
- - We propose an efficient design for a spin-photon interface using a diamond microdisk topped with a silicon oxynitride triangular lattice, allowing for effective light emission without needing precise alignment between layers.
- - The setup achieves a high quantum efficiency of up to 46% for a specific type of color center in the diamond, making it promising for larger-scale production of quantum light sources.
- - Our new optimization method leverages a dipole model to significantly enhance free space performance, yielding results similar to complex simulations but with a much shorter computation time (a 7·10 reduction).
Article Abstract
We propose a design for an efficient spin-photon interface to a color center in a diamond microdisk. The design consists of a silicon oxynitride triangular lattice overlaid on a diamond microdisk without any aligmnent between the layers. This enables vertical emission from the microdisk into low-numerical aperture modes, with quantum efficiencies as high as 46% for a tin vacancy (SnV) center. Our design is robust to manufacturing errors, potentially enabling large scale fabrication of quantum emitters coupled to optical collection modes. We also introduce a novel approach for optimizing the free space performance of our device using a dipole model, achieving comparable results to full-wave finite difference time domain simulations with 7 · 10 reduction in computational time.
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| http://dx.doi.org/10.1364/OE.515620 | DOI Listing |
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