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Design of diamond microcavities for single photon frequency down-conversion
Optics Express
|September 26, 2015
Summary
We developed diamond cavities to convert single photons to telecommunication bands. This chipscale nonlinear device requires low power (under 1 W) for high conversion efficiency.
Area of Science:
- Quantum optics
- Materials science
- Photonics
Background:
- Single photons are crucial for quantum information processing.
- Converting photon wavelengths is essential for integrating quantum systems with existing infrastructure.
Purpose of the Study:
- To propose and theoretically analyze monolithic diamond cavities for single photon wavelength conversion.
- To assess the feasibility of converting color-center Fock-state single photons to telecommunication bands.
Main Methods:
- Theoretical modeling of the photon conversion process.
- Analysis of nonlinear phase shifts and frequency mismatch.
- Simulation of device performance under practical conditions.
Main Results:
- Monolithic diamond cavities can efficiently convert single photons.
- The process is robust against nonlinear phase shifts and frequency mismatch.
- Sustainable power requirements (under 1 W) are predicted for a chipscale device.
Conclusions:
- Diamond cavities offer a promising solution for single photon wavelength conversion.
- The proposed device enables integration of quantum emitters with telecommunication networks.
- High conversion efficiencies are achievable with low power consumption.
