Fully tuneable, Purcell-enhanced solid-state quantum emitters

被引：22
|
作者：
Petruzzella, M. [1 ]
Xia, T. [1 ]
Pagliano, F. [1 ]
Birindelli, S. [1 ]
Midolo, L. [2 ]
Zobenica, Z. [1 ]
Li, L. H. [3 ]
Linfield, E. H. [3 ]
Fiore, A. [1 ]
机构：
[1] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands
[2] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[3] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England
来源：
APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 14期
基金：
英国工程与自然科学研究理事会;
关键词：
PHOTONIC CRYSTAL CAVITIES; SPONTANEOUS EMISSION; DOTS; NANOCAVITY; RESONANCE;
D O I：
10.1063/1.4932946
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the full energy control over a semiconductor cavity-emitter system, consisting of single Stark-tunable quantum dots embedded in mechanically reconfigurable photonic crystal membranes. A reversible wavelength tuning of the emitter over 7.5 nm as well as an 8.5 nm mode shift are realized on the same device. Harnessing these two electrical tuning mechanisms, a single exciton transition is brought on resonance with the cavity mode at several wavelengths, demonstrating a ten-fold enhancement of its spontaneous emission. These results open the way to bring several cavity-enhanced emitters mutually into resonance and therefore represent a key step towards scalable quantum photonic circuits featuring multiple sources of indistinguishable single photons. (C) 2015 AIP Publishing LLC.
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页数：5
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