金刚石掺杂中心近红外区单光子发射
其他凝聚态物理
2009-11-11 v1
摘要
我们观察到在持续波激发下，基于镍-氮掺杂的金刚石中色心在自然金刚石中表现出光学活性。光谱分析显示，这些单光子发射器在近红外区（约 780 nm）具有窄带发射，且在室温下几乎全部集中在零弛豫线中。色心的激发态寿命仅为 2 ns，光致发光呈线性偏振。这些显著特性为实现基于该色心发射的触发式单光子源奠定了基础，适用于日光条件下的开放空气量子密钥分配。
引用
@article{arxiv.cond-mat/0509516,
title = {Single-photon emission in the near infrared from diamond colour centre},
author = {E Wu and V. Jacques and F. Treussart and H. Zeng and P. Grangier and J. -F. Roch},
journal= {arXiv preprint arXiv:cond-mat/0509516},
year = {2009}
}
备注
Proceedings of PDC'05 conference (Dynamical Processes in Excited States of Solids (DPC'05) August 1st to 5th, 2005, Shanghai, China), to appear in Journal of Luminescence