Highly efficient coupling of photons from nanoemitters into single-mode optical fibers

Masazumi Fujiwara; Kiyota Toubaru; Tetsuya Noda; Hong Quan Zhao; Shigeki Takeuchi

doi:10.1021/nl2024867

Highly efficient coupling of photons from nanoemitters into single-mode optical fibers

Masazumi Fujiwara, Kiyota Toubaru, Tetsuya Noda, Hong Quan Zhao, Shigeki Takeuchi

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

116 Citations (Scopus)

Abstract

Highly efficient coupling of photons from nanoemitters into single-mode optical fibers is demonstrated using tapered fibers. A percentage (7.4 ± 1.2%) of the total emitted photons from single CdSe/ZnS nanocrystals were coupled into a 300 nm diameter tapered fiber. The dependence of the coupling efficiency on the taper diameter was investigated and the coupling efficiency was found to increase exponentially with decreasing diameter. This method is very promising for nanoparticle sensing and single-photon sources.

Original language	English
Pages (from-to)	4362-4365
Number of pages	4
Journal	Nano Letters
Volume	11
Issue number	10
DOIs	https://doi.org/10.1021/nl2024867
Publication status	Published - Oct 12 2011
Externally published	Yes

Keywords

coupling efficiency
high numerical aperture
nanocrystal
photon collection optic
single-photon
source
tapered fiber

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl2024867

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title = "Highly efficient coupling of photons from nanoemitters into single-mode optical fibers",

abstract = "Highly efficient coupling of photons from nanoemitters into single-mode optical fibers is demonstrated using tapered fibers. A percentage (7.4 ± 1.2%) of the total emitted photons from single CdSe/ZnS nanocrystals were coupled into a 300 nm diameter tapered fiber. The dependence of the coupling efficiency on the taper diameter was investigated and the coupling efficiency was found to increase exponentially with decreasing diameter. This method is very promising for nanoparticle sensing and single-photon sources.",

keywords = "coupling efficiency, high numerical aperture, nanocrystal, photon collection optic, single-photon, source, tapered fiber",

author = "Masazumi Fujiwara and Kiyota Toubaru and Tetsuya Noda and Zhao, {Hong Quan} and Shigeki Takeuchi",

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AU - Fujiwara, Masazumi

AU - Toubaru, Kiyota

AU - Noda, Tetsuya

AU - Zhao, Hong Quan

AU - Takeuchi, Shigeki

PY - 2011/10/12

Y1 - 2011/10/12

N2 - Highly efficient coupling of photons from nanoemitters into single-mode optical fibers is demonstrated using tapered fibers. A percentage (7.4 ± 1.2%) of the total emitted photons from single CdSe/ZnS nanocrystals were coupled into a 300 nm diameter tapered fiber. The dependence of the coupling efficiency on the taper diameter was investigated and the coupling efficiency was found to increase exponentially with decreasing diameter. This method is very promising for nanoparticle sensing and single-photon sources.

AB - Highly efficient coupling of photons from nanoemitters into single-mode optical fibers is demonstrated using tapered fibers. A percentage (7.4 ± 1.2%) of the total emitted photons from single CdSe/ZnS nanocrystals were coupled into a 300 nm diameter tapered fiber. The dependence of the coupling efficiency on the taper diameter was investigated and the coupling efficiency was found to increase exponentially with decreasing diameter. This method is very promising for nanoparticle sensing and single-photon sources.

KW - coupling efficiency

KW - high numerical aperture

KW - nanocrystal

KW - photon collection optic

KW - single-photon

KW - source

KW - tapered fiber

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Highly efficient coupling of photons from nanoemitters into single-mode optical fibers

Abstract

Keywords

ASJC Scopus subject areas

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