On-chip electrically controlled routing of photons from a single quantum dot
On-chip electrically controlled routing of photons from a single quantum dot
复制标题
DOI：
10.1063/1.4922041
复制
发表时间：
2015-06-01
影响因子：
4
通讯作者：
Wilson, L. R.
中科院分区：
文献类型：
--
作者：
Bentham, C.;Itskevich, I. E.;Wilson, L. R.
在光子晶体腔-波导系统中实现了对单个InAs/GaAs自组装量子点（SAQD）发射光子的片上路径的电控制。SAQD位于H1腔内，该H1腔耦合到两个光子晶体波导。SAQD发射波长可通过量子限制斯塔克效应电调谐。当SAQD发射与两个H1腔模式之一谐振时，它优先路由到该模式选择性耦合的波导。这一概念证明为用于集成量子光子电路的单光子路由器的可扩展、低功耗、高速操作提供了基础。(C)2015年作者。所有文章内容，除非另有说明，是根据知识共享署名3.0未移植许可证许可。
Electrical control of on-chip routing of photons emitted by a single InAs/GaAs self-assembled quantum dot (SAQD) is demonstrated in a photonic crystal cavity-waveguide system. The SAQD is located inside an H1 cavity, which is coupled to two photonic crystal waveguides. The SAQD emission wavelength is electrically tunable by the quantum-confined Stark effect. When the SAQD emission is brought into resonance with one of two H1 cavity modes, it is preferentially routed to the waveguide to which that mode is selectively coupled. This proof of concept provides the basis for scalable, low-power, high-speed operation of single-photon routers for use in integrated quantum photonic circuits. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.