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arXiv 1111.6852cond-mat.mtrl-sci
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硅空位中心与单晶金刚石腔的耦合

Coupling of silicon-vacancy centers to a single crystal diamond cavity

Jonathan C. Lee, Igor Aharonovich, Andrew P. Magyar, Fabian Rol, Evelyn L. Hu

摘要:

研究了硅空位(SiV)中心与单晶金刚石微盘腔的光学耦合。该腔体是由离子注入和电化学剥离,然后由同质外延过生长所产生的单晶金刚石膜。测量了与SiV中心的零声子线(ZPL)光谱重叠并表现出品质因数~2200的回音壁模式。与腔外膜中的SiV中心相比,观察到腔中SiV中心的寿命从1.8 ns减少到1.48 ns。这些结果对于开发金刚石集成光子学网络至关重要。

英文摘要:

Optical coupling of an ensemble of silicon-vacancy (SiV) centers to single-crystal diamond microdisk cavities is demonstrated. The cavities are fabricated from a single-crystal diamond membrane generated by ion implantation and, electrochemical liftoff followed by homo-epitaxial overgrowth. Whispering gallery modes which spectrally overlap with the zero-phonon line (ZPL) of the SiV centers and exhibit quality factors ~2200 are measured. Lifetime reduction from 1.8 ns to 1.48 ns is observed from SiV centers in the cavity compared to those in the membrane outside the cavity. These results are pivotal in developing diamond integrated photonics networks.

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