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Journals and Conferences
We demonstrate optomechanical quantum control of a nitrogen vacancy (NV) in the resolved-sideband regime by coupling the NV to both optical fields and surface acoustic waves and by using strong excited-state electron-phonon coupling for NVs.
The emerging field of quantum acoustics explores interactions between acoustic waves and artificial atoms and their applications in quantum information processing. In this experimental study, we demonstrate the coupling between a surface acoustic wave (SAW) and an electron spin in diamond by taking advantage of the strong strain coupling of the excited… (More)
Using phase-dependent coherent population trapping, we demonstrate the conversion of microwave phase information into optical phase information via an electron spin coherence in diamond and vice versa.
We propose the use of diamond nanomechanical oscillator to mediate coupling between electron spins and arbitrary optical modes in a whispering-gallery optical resonator. Fabrication and characterization of the diamond nanomechanical oscillator will also be presented.
Autler-Townes splitting is observed when a surface acoustic wave (SAW) is coupled resonantly to two excited-states of a diamond nitrogen vacancy (NV) center, demonstrating strong coherent interactions between the SAW and the NV center.
We realized on-chip silica microspheres, featuring excellent thermal coupling to the silicon-wafer. These chip-based microspheres can overcome the problem of thermal bistability and are especially suitable for optomechanical studies in vacuum or at low temperature.
We demonstrate the coherent coupling and the resulting transfer of phase information between microwave and optical fields in a single nitrogen vacancy center in diamond. The relative phase of two microwave fields is encoded in a coherent superposition spin state. This phase information is then retrieved with a pair of optical fields. A related process is… (More)