Coherent feedback control of two-dimensional excitons

被引：23
|
作者：
Rogers, Christopher [1 ]
Gray, Dodd, Jr. [1 ]
Bogdanowicz, Nathan [1 ]
Taniguchi, Takashi [2 ]
Watanabe, Kenji [2 ]
Mabuchi, Hideo [1 ]
机构：
[1] Stanford Univ, Ginzton Lab, 348 Via Pueblo, Stanford, CA 94305 USA
[2] Natl Inst Mat Sci, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan
来源：
PHYSICAL REVIEW RESEARCH | 2020年 / 2卷 / 01期
基金：
美国国家科学基金会; 加拿大自然科学与工程研究理事会;
关键词：
SPONTANEOUS-EMISSION; MONOLAYER; DYNAMICS; ATOMS; ABSORPTION; LAYERS; MOS2;
D O I：
10.1103/PhysRevResearch.2.012029
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Electric dipole radiation can be controlled by engineering of the photonic environment. A coherent interaction between forward and backward emission depends interferometrically on the position of a nearby mirror. The transverse coherence of exciton emission in a single layer of MoSe2 and the highly radiatively broadened nature of our samples removes fundamental physical limitations of previous experiments employing pointlike dipoles. This enables full control over the exciton radiative coupling rate and total linewidth at cryogenic temperatures from near zero to 1.8 +/- 0.4 meV and from 0.9 to 2.3 +/- 0.1 meV, respectively.
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页数：6
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