Hybrid photonic crystal cavity and waveguide for coupling to diamond NV-centers
arXiv:0904.0500 · doi:10.1364/OE.17.009588
Abstract
A design for an ultra-high Q photonic crystal nanocavity engineered to interact with nitrogen-vacancy (NV) centers located near the surface of a single crystal diamond sample is presented. The structure is based upon a nanowire photonic crystal geometry, and consists of a patterned high refractive index membrane, such as gallium phosphide (GaP), supported by a diamond substrate. The nanocavity supports a mode with quality factor Q > 1.5 million and mode volume V < 0.52 (λ/n_\text{GaP})^3, and promises to allow Purcell enhanced collection of spontaneous emission from an NV located more than 50 nm below the diamond surface. The nanowire photonic crystal waveguide can be used to efficiently couple light into and out of the cavity, or as an efficient broadband collector of NV phonon sideband emission. The proposed structures can be fabricated using existing materials and processing techniques.
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- Triply-Resonant Sum Frequency Conversion with Gallium Phosphide Ring Resonators
- Hybrid III-V diamond photonic platform for quantum nodes based on neutral silicon vacancy centers in diamond
- Undamped Rabi oscillations due to polaron-emitter hybrid states in non-linear photonic wave guide coupled to emitters
- Homogeneous Free-Standing Nanostructures from Bulk Diamond over Millimeter Scales for Quantum Technologies
- Semiconductor-on-diamond cavities for spin optomechanics
- Optical signatures of Mott-superfluid transition in nitrogen-vacancy centers coupled to photonic crystal cavities
- Designing metasurface optical interfaces for solid-state qubits using many-body adjoint shape optimization