Experimental study of near-field light collection efficiency of aperture fiber probe at near-infrared wavelengths

Nobuhiro Tsumori; Motoki Takahashi; Yoshiki Sakuma; Toshiharu Saiki

doi:10.1364/AO.50.005710

Experimental study of near-field light collection efficiency of aperture fiber probe at near-infrared wavelengths

Nobuhiro Tsumori, Motoki Takahashi, Yoshiki Sakuma, Toshiharu Saiki

Department of Electronics and Electrical Engineering

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

6 Citations (Scopus)

Abstract

We examined the near-field collection efficiency of near-infrared radiation for an aperture probe.We used InAs quantum dots as ideal point light sources with emission wavelengths ranging from 1.1 to 1:6 μm. We experimentally investigated the wavelength dependence of the collection efficiency and compared the results with computational simulations that modeled the actual probe structure. The observed degradation in the collection efficiency is attributed to the cutoff characteristics of the gold-clad tapered waveguide, which approaches an ideal conductor at near-infrared wavelengths.

Original language	English
Pages (from-to)	5710-5713
Number of pages	4
Journal	Applied Optics
Volume	50
Issue number	29
DOIs	https://doi.org/10.1364/AO.50.005710
Publication status	Published - 2011 Oct 10

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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abstract = "We examined the near-field collection efficiency of near-infrared radiation for an aperture probe.We used InAs quantum dots as ideal point light sources with emission wavelengths ranging from 1.1 to 1:6 μm. We experimentally investigated the wavelength dependence of the collection efficiency and compared the results with computational simulations that modeled the actual probe structure. The observed degradation in the collection efficiency is attributed to the cutoff characteristics of the gold-clad tapered waveguide, which approaches an ideal conductor at near-infrared wavelengths.",

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AU - Tsumori, Nobuhiro

AU - Takahashi, Motoki

AU - Sakuma, Yoshiki

AU - Saiki, Toshiharu

PY - 2011/10/10

Y1 - 2011/10/10

N2 - We examined the near-field collection efficiency of near-infrared radiation for an aperture probe.We used InAs quantum dots as ideal point light sources with emission wavelengths ranging from 1.1 to 1:6 μm. We experimentally investigated the wavelength dependence of the collection efficiency and compared the results with computational simulations that modeled the actual probe structure. The observed degradation in the collection efficiency is attributed to the cutoff characteristics of the gold-clad tapered waveguide, which approaches an ideal conductor at near-infrared wavelengths.

AB - We examined the near-field collection efficiency of near-infrared radiation for an aperture probe.We used InAs quantum dots as ideal point light sources with emission wavelengths ranging from 1.1 to 1:6 μm. We experimentally investigated the wavelength dependence of the collection efficiency and compared the results with computational simulations that modeled the actual probe structure. The observed degradation in the collection efficiency is attributed to the cutoff characteristics of the gold-clad tapered waveguide, which approaches an ideal conductor at near-infrared wavelengths.

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Experimental study of near-field light collection efficiency of aperture fiber probe at near-infrared wavelengths

Abstract

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