Electrically Driven Site-Controlled Single Photon Source

被引：9

作者：

Guo, Shi ^{[1
]}

Germanis, Savvas ^{[2
]}

Taniguchi, Takashi ^{[3
]}

Watanabe, Kenji ^{[4
]}

Withers, Freddie ^{[1
]}

Luxmoore, Isaac J. ^{[2
]}

机构：

[1] Univ Exeter, Dept Phys & Astron, Exeter EX4 4QL, England

[2] Univ Exeter, Dept Engn, Exeter EX4 4QF, England

[3] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton, Tsukuba 3050044, Japan

[4] Natl Inst Mat Sci, Res Ctr Funct Mat, Tsukuba 3050044, Japan

来源：

ACS PHOTONICS | 2023年 / 10卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

single-photon source; site-control; electroluminescence; quantum confined Stark effect; WSe2; QUANTUM EMITTERS; LIGHT; RESONANCE;

D O I：

10.1021/acsphotonics.3c00097

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Single photon sources are fundamental building blocksfor quantumcommunication and computing technologies. In this work, we presenta device geometry consisting of gold pillars embedded in a van derWaals heterostructure of graphene, hexagonal boron nitride, and tungstendiselenide. The gold pillars serve to both generate strain and injectcharge carriers, allowing us to simultaneously demonstrate the positionalcontrol and electrical pumping of a single photon emitter. Moreover,increasing the thickness of the hexagonal boron nitride tunnel barriersrestricts electroluminescence but enables electrical control of theemission energy of the site-controlled single photon emitters, withmeasured energy shifts reaching 40 meV.

引用

页码：2549 / 2555

页数：7

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