On-chip electrically controlled routing of photons from a single quantum dot

被引：20

作者：

Bentham, C. ^{[1
]}

Itskevich, I. E. ^{[2
]}

Coles, R. J. ^{[1
]}

Royall, B. ^{[1
]}

Clarke, E. ^{[3
]}

O'Hara, J. ^{[1
]}

Prtljaga, N. ^{[1
]}

Fox, A. M. ^{[1
]}

Skolnick, M. S. ^{[1
]}

Wilson, L. R. ^{[1
]}

机构：

[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England

[2] Univ Hull, Sch Engn, Kingston Upon Hull HU6 7RX, N Humberside, England

[3] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England

来源：

APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 22期

基金：

英国工程与自然科学研究理事会;

关键词：

GENERATION; CAVITY; LIGHT;

D O I：

10.1063/1.4922041

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

引用

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