Experimental demonstration of a predictable single photon source with variable photon flux

Aigar Vaigu; Geiland Porrovecchio; Xiao-Liu Chu; Sarah Lindner; Marek Smid; Albert Manninen; Christoph Becher; Vahid Sandoghdar; Stephan Götzinger; Erkki Ikonen

doi:10.1088/1681-7575/aa5ba2

Experimental demonstration of a predictable single photon source with variable photon flux

Aigar Vaigu (Corresponding Author), Geiland Porrovecchio, Xiao-Liu Chu, Sarah Lindner, Marek Smid, Albert Manninen, Christoph Becher, Vahid Sandoghdar, Stephan Götzinger, Erkki Ikonen

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

9 Citations (Scopus)

Abstract

We present a predictable single-photon source (SPS) based on a silicon vacancy centre in nanodiamond which is optically excited by a pulsed laser. At an excitation rate of 70 MHz the source delivers a photon flux large enough to be measured by a low optical flux detector (LOFD). The directly measured photon flux constitutes an absolute reference. By changing the repetition rate of the pulsed laser, we are able to change the photon flux of our SPS in a controllable way which in turn can act as a reference. The advantage of our method is that it does not require precise knowledge of the source efficiency, but the source is calibrated by the LOFD and can be used for detector responsivity characterizations at the few-photon level.

Original language	English
Pages (from-to)	218-223
Number of pages	6
Journal	Metrologia
Volume	54
Issue number	2
DOIs	https://doi.org/10.1088/1681-7575/aa5ba2
Publication status	Published - 21 Mar 2017
MoE publication type	A1 Journal article-refereed

Keywords

low optical flux detector
photon on demand
silicon vacancy centrer
single photon metrology
single photon sources

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title = "Experimental demonstration of a predictable single photon source with variable photon flux",

abstract = "We present a predictable single-photon source (SPS) based on a silicon vacancy centre in nanodiamond which is optically excited by a pulsed laser. At an excitation rate of 70 MHz the source delivers a photon flux large enough to be measured by a low optical flux detector (LOFD). The directly measured photon flux constitutes an absolute reference. By changing the repetition rate of the pulsed laser, we are able to change the photon flux of our SPS in a controllable way which in turn can act as a reference. The advantage of our method is that it does not require precise knowledge of the source efficiency, but the source is calibrated by the LOFD and can be used for detector responsivity characterizations at the few-photon level.",

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Experimental demonstration of a predictable single photon source with variable photon flux. / Vaigu, Aigar (Corresponding Author); Porrovecchio, Geiland; Chu, Xiao-Liu; Lindner, Sarah; Smid, Marek; Manninen, Albert; Becher, Christoph; Sandoghdar, Vahid; Götzinger, Stephan; Ikonen, Erkki.

In: Metrologia, Vol. 54, No. 2, 21.03.2017, p. 218-223.

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

TY - JOUR

T1 - Experimental demonstration of a predictable single photon source with variable photon flux

AU - Vaigu, Aigar

AU - Porrovecchio, Geiland

AU - Chu, Xiao-Liu

AU - Lindner, Sarah

AU - Smid, Marek

AU - Manninen, Albert

AU - Becher, Christoph

AU - Sandoghdar, Vahid

AU - Götzinger, Stephan

AU - Ikonen, Erkki

PY - 2017/3/21

Y1 - 2017/3/21

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AB - We present a predictable single-photon source (SPS) based on a silicon vacancy centre in nanodiamond which is optically excited by a pulsed laser. At an excitation rate of 70 MHz the source delivers a photon flux large enough to be measured by a low optical flux detector (LOFD). The directly measured photon flux constitutes an absolute reference. By changing the repetition rate of the pulsed laser, we are able to change the photon flux of our SPS in a controllable way which in turn can act as a reference. The advantage of our method is that it does not require precise knowledge of the source efficiency, but the source is calibrated by the LOFD and can be used for detector responsivity characterizations at the few-photon level.

KW - low optical flux detector

KW - photon on demand

KW - silicon vacancy centrer

KW - single photon metrology

KW - single photon sources

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DO - 10.1088/1681-7575/aa5ba2

M3 - Article

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SP - 218

EP - 223

JO - Metrologia

JF - Metrologia

SN - 0026-1394

IS - 2

ER -

Experimental demonstration of a predictable single photon source with variable photon flux

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Keywords

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