Electrically tunable single-photon source triggered by a monolithically integrated quantum dot microlaser

Pierce Munnelly; Tobias Heindel; Alexander Thoma; Martin Kamp; Sven Höfling; Christian Schneider; Stephan Reitzenstein

doi:10.1021/acsphotonics.7b00119

Electrically tunable single-photon source triggered by a monolithically integrated quantum dot microlaser

Pierce Munnelly, Tobias Heindel, Alexander Thoma, Martin Kamp, Sven Höfling, Christian Schneider, Stephan Reitzenstein

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

Abstract

We report on a quantum dot micropillar-based single-photon source demonstrating tunable emission energy via an applied electric field and driven by an on-chip, high-β, whispering-gallery-mode microlaser. The cavity-enhanced single-photon source is monolithically integrated with an electrically driven, coherent excitation source. The device concept features low laser-threshold currents of a few tens of µA, has a small footprint with a device area of ≅ 200 µm² and demonstrates high single-photon purity with g⁽²⁾(0) as low as 0.07 ± 0.03 under pulsed electrical excitation of the microlaser. The electric field applied along the growth direction of the single-photon emitter allows the emission to be tuned by up to 1.1 meV via the quantum-confined Stark effect, bringing it into resonance with the fundamental mode of the surrounding micropillar resonator for enhanced emission via the Purcell effect.

Original language	English
Pages (from-to)	790-794
Number of pages	5
Journal	ACS Photonics
Volume	4
Issue number	4
Early online date	7 Apr 2017
DOIs	https://doi.org/10.1021/acsphotonics.7b00119
Publication status	Published - 19 Apr 2017

Keywords

Semiconductor quantum dot
Whispering-gallery-mode laser
Single-photon source
Photonics
Integrated quantum optics

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10.1021/acsphotonics.7b00119

Hoefling_2017_ACSPhotonics_Single-photonSource_AAM
© 2017, American Chemical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at pubs.acs.org / https://doi.org/10.1021/acsphotonics.7b00119
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title = "Electrically tunable single-photon source triggered by a monolithically integrated quantum dot microlaser",

abstract = "We report on a quantum dot micropillar-based single-photon source demonstrating tunable emission energy via an applied electric field and driven by an on-chip, high-β, whispering-gallery-mode microlaser. The cavity-enhanced single-photon source is monolithically integrated with an electrically driven, coherent excitation source. The device concept features low laser-threshold currents of a few tens of µA, has a small footprint with a device area of ≅ 200 µm2 and demonstrates high single-photon purity with g(2)(0) as low as 0.07 ± 0.03 under pulsed electrical excitation of the microlaser. The electric field applied along the growth direction of the single-photon emitter allows the emission to be tuned by up to 1.1 meV via the quantum-confined Stark effect, bringing it into resonance with the fundamental mode of the surrounding micropillar resonator for enhanced emission via the Purcell effect.",

keywords = "Semiconductor quantum dot, Whispering-gallery-mode laser, Single-photon source, Photonics, Integrated quantum optics",

author = "Pierce Munnelly and Tobias Heindel and Alexander Thoma and Martin Kamp and Sven H{\"o}fling and Christian Schneider and Stephan Reitzenstein",

note = "This work was supported by the German Research Foundation (DFG) under Grant Nos. RE2974=9 - 1 and SCHN1376=1-1 and the German Federal Ministry of Education and Research (BMBF) for support through the VIP-project QSOURCE (Grant No. 03V0630).",

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day = "19",

doi = "10.1021/acsphotonics.7b00119",

language = "English",

volume = "4",

pages = "790--794",

journal = "ACS Photonics",

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AU - Munnelly, Pierce

AU - Heindel, Tobias

AU - Thoma, Alexander

AU - Kamp, Martin

AU - Höfling, Sven

AU - Schneider, Christian

AU - Reitzenstein, Stephan

N1 - This work was supported by the German Research Foundation (DFG) under Grant Nos. RE2974=9 - 1 and SCHN1376=1-1 and the German Federal Ministry of Education and Research (BMBF) for support through the VIP-project QSOURCE (Grant No. 03V0630).

PY - 2017/4/19

Y1 - 2017/4/19

N2 - We report on a quantum dot micropillar-based single-photon source demonstrating tunable emission energy via an applied electric field and driven by an on-chip, high-β, whispering-gallery-mode microlaser. The cavity-enhanced single-photon source is monolithically integrated with an electrically driven, coherent excitation source. The device concept features low laser-threshold currents of a few tens of µA, has a small footprint with a device area of ≅ 200 µm2 and demonstrates high single-photon purity with g(2)(0) as low as 0.07 ± 0.03 under pulsed electrical excitation of the microlaser. The electric field applied along the growth direction of the single-photon emitter allows the emission to be tuned by up to 1.1 meV via the quantum-confined Stark effect, bringing it into resonance with the fundamental mode of the surrounding micropillar resonator for enhanced emission via the Purcell effect.

AB - We report on a quantum dot micropillar-based single-photon source demonstrating tunable emission energy via an applied electric field and driven by an on-chip, high-β, whispering-gallery-mode microlaser. The cavity-enhanced single-photon source is monolithically integrated with an electrically driven, coherent excitation source. The device concept features low laser-threshold currents of a few tens of µA, has a small footprint with a device area of ≅ 200 µm2 and demonstrates high single-photon purity with g(2)(0) as low as 0.07 ± 0.03 under pulsed electrical excitation of the microlaser. The electric field applied along the growth direction of the single-photon emitter allows the emission to be tuned by up to 1.1 meV via the quantum-confined Stark effect, bringing it into resonance with the fundamental mode of the surrounding micropillar resonator for enhanced emission via the Purcell effect.

KW - Semiconductor quantum dot

KW - Whispering-gallery-mode laser

KW - Single-photon source

KW - Photonics

KW - Integrated quantum optics

UR - https://www.scopus.com/pages/publications/85018485365

U2 - 10.1021/acsphotonics.7b00119

DO - 10.1021/acsphotonics.7b00119

M3 - Article

SN - 2330-4022

VL - 4

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EP - 794

JO - ACS Photonics

JF - ACS Photonics

IS - 4

ER -

Electrically tunable single-photon source triggered by a monolithically integrated quantum dot microlaser

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