Single phonon source based on a giant polariton nonlinear effect

We propose a single phonon source based on nitrogen-vacancy (NV) centers, which are located in a diamond phononic crystal resonator. The strain in the lattice would induce the coupling between the NV centers and the phonon mode. The strong coupling between the excited state of the NV centers and the...

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Bibliographic Details
Published in:Optics letters 2018-03, Vol.43 (5), p.1163-1166
Main Authors: Cai, Kang, Pan, Zi-Wen, Wang, Rui-Xia, Ruan, Dong, Yin, Zhang-Qi, Long, Gui-Lu
Format: Article
Language:English
Subjects:
Acoustic noise
Coupling
Crystal lattices
Diamonds
Lattice vacancies
Nonlinearity
Polaritons
Thermal noise
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Summary:We propose a single phonon source based on nitrogen-vacancy (NV) centers, which are located in a diamond phononic crystal resonator. The strain in the lattice would induce the coupling between the NV centers and the phonon mode. The strong coupling between the excited state of the NV centers and the phonon is realized by adding an optical laser driving. This four-level NV center system exhibits coherent population trapping and yields giant resonantly enhanced acoustic nonlinearities, with zero linear susceptibility. Based on this nonlinearity, the single phonon source can be realized. We numerically calculate g (0) of the single phonon source. We discuss the effects of the thermal noise and the external driving strength.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.43.001163