Hybrid quantum optomechanics with a quantum-dot single photon source

Title
Hybrid quantum optomechanics with a quantum-dot single photon source
Authors
송진동여인아Hye Jung KimKyung Soo Yi
Keywords
Hybrid quantum optomechanics; quantum-dot; single photon source
Issue Date
2016-10
Publisher
Physical review B, Condensed matter and materials physics
Citation
VOL 94, 165422
Abstract
We investigate the strain-mediated control of individual single quantum dots (QDs) embedded in a multi-degree- of-freedom optomechanical resonator. The mechanical eigenfrequencies and their mode degeneracy of resonator are tailored in the MHz regime for a geometrical aspect ratio of conventional wire resonator. The stress-induced modification in the QD exciton dynamics is evaluated at the multitude of mechanical resonances including the genuine cases of mode degeneracy. We show that the multi-degree-of-freedom stress fields allow an individual control of QD emission energies with a rate of up to several meV/nm. Such an optomechanical tuning technique can pave the way for entangling distant QDs for quantum information processing or potentially generating a superradiant light pulse.
URI
http://pubs.kist.re.kr/handle/201004/65012
ISSN
2469-9950
Appears in Collections:
KIST Publication > Article
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