Deterministic Integration of Single Photon Sources in Silicon Based Photonic Circuits

Iman Esmaeil Zadeh; Ali W. Elshaari; Klaus D. Jöns; Andreas Fognini; Dan Dalacu; Philip J. Poole; Michael E. Reimer; Val Zwiller

doi:10.1021/acs.nanolett.5b04709

Deterministic Integration of Single Photon Sources in Silicon Based Photonic Circuits

Iman Esmaeil Zadeh^*, Ali W. Elshaari, Klaus D. Jöns, Andreas Fognini, Dan Dalacu, Philip J. Poole, Michael E. Reimer, Val Zwiller

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

A 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%.

Original language	English
Pages (from-to)	2289-2294
Number of pages	6
Journal	Nano Letters: a journal dedicated to nanoscience and nanotechnology
Volume	16
Issue number	4
DOIs	https://doi.org/10.1021/acs.nanolett.5b04709
Publication status	Published - 2016

Keywords

hybrid photonics
Integrated quantum optics
nanowire quantum dot
single-photons

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10.1021/acs.nanolett.5b04709

acs.nanolett.5b04709Final published version, 2.42 MBLicence: CC BY

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title = "Deterministic Integration of Single Photon Sources in Silicon Based Photonic Circuits",

abstract = "A 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%.",

keywords = "hybrid photonics, Integrated quantum optics, nanowire quantum dot, single-photons",

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year = "2016",

doi = "10.1021/acs.nanolett.5b04709",

language = "English",

volume = "16",

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journal = "Nano Letters: a journal dedicated to nanoscience and nanotechnology",

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AU - Zadeh, Iman Esmaeil

AU - Elshaari, Ali W.

AU - Jöns, Klaus D.

AU - Fognini, Andreas

AU - Dalacu, Dan

AU - Poole, Philip J.

AU - Reimer, Michael E.

AU - Zwiller, Val

PY - 2016

Y1 - 2016

N2 - A 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%.

AB - A 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%.

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KW - Integrated quantum optics

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JO - Nano Letters: a journal dedicated to nanoscience and nanotechnology

JF - Nano Letters: a journal dedicated to nanoscience and nanotechnology

IS - 4

ER -

Deterministic Integration of Single Photon Sources in Silicon Based Photonic Circuits

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