2015
DOI: 10.1103/physrevlett.115.067401
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Towards Scalable Entangled Photon Sources with Self-AssembledInAs/GaAsQuantum Dots

Abstract: Biexciton cascade process in self-assembled quantum dots (QDs) provides an ideal system for deterministic entangled photon pair source [1,2], which is essential in quantum information science. The entangled photon pairs have recently be realized in experiments [3][4][5] after eliminating the FSS of exciton using a number of different methods. However, so far the QDs entangled photon sources are not scalable, because the wavelengths of the QDs are different from dot to dot. Here we propose a wavelength tunable … Show more

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Cited by 25 publications
(31 citation statements)
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“…Energy-tuneable entangled photon sources based on QDs. (a) Device structure according toWang et al adapted from Ref [69]…”
mentioning
confidence: 99%
“…Energy-tuneable entangled photon sources based on QDs. (a) Device structure according toWang et al adapted from Ref [69]…”
mentioning
confidence: 99%
“…In 2015, two individual concepts were proposed by Trotta et al. and Wang et al . Both methods rely on the addition of strain fields.…”
Section: Advanced Qd Wavelength Tuning Technologymentioning
confidence: 99%
“…b) A 3D stressor that can be used to tune the FSS and exciton energy in QDs independently. Reproduced with permission . Copyright 2015, American Physical Society.…”
Section: Advanced Qd Wavelength Tuning Technologymentioning
confidence: 99%
“…3,9 Different tuning techniques to erase the FSS, such as thermal annealing, 10 applying electric fields, [11][12][13] magnetic fields, 14 and strain fields [15][16][17][18][19][20][21][22] have been explored. Recently, a new method of using a microstructured semiconductor-piezoelectric device to build scalable entangled photon sources with self-assembled QDs was proposed, 23,24 and was successfully demonstrated by combined uniaxial stresses along two orthogonal directions, i.e., along [110] and [1-10] crystal axis of GaAs. 25,26 In this letter, we report on a uniaxial stress device as shown in Fig.…”
mentioning
confidence: 99%