Deterministic integration of single photon sources in silicon based photonic circuits

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  1. Available on March 8, 2017
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DOIResolve DOI: http://doi.org/10.1021/acs.nanolett.5b04709
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TypeArticle
Journal titleNano Letters
ISSN1530-6984
1530-6992
Volume16
Issue4
Pages22892294
SubjectIntegrated quantum optics; Nanowire quantum dot; Single-photons; Hybrid photonics
AbstractA major step toward fully integrated quantum optics is the deterministic incorporation of high quality single photon sources in on-chip optical circuits. We show a novel hybrid approach in which preselected III–V single quantum dots in nanowires are transferred and integrated in silicon based photonic circuits. The quantum emitters maintain their high optical quality after integration as verified by measuring a low multiphoton probability of 0.07 ± 0.07 and emission line width as narrow as 3.45 ± 0.48 GHz. Our approach allows for optimum alignment of the quantum dot light emission to the fundamental waveguide mode resulting in very high coupling efficiencies. We estimate a coupling efficiency of 24.3 ± 1.7% from the studied single-photon source to the photonic channel and further show by finite-difference time-domain simulations that for an optimized choice of material and design the efficiency can exceed 90%.
Publication date
LanguageEnglish
AffiliationInformation and Communication Technologies; National Research Council Canada
Peer reviewedYes
NPARC number23000353
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Record identifierd197109e-0e22-4ff2-bc70-2a1b51a3c924
Record created2016-07-08
Record modified2016-07-08
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