All-Optical Fiber Hanbury Brown & Twiss Interferometer to study 1300 nm single photon emission of a metamorphic InAs Quantum Dot

New optical fiber based spectroscopic tools open the possibility to develop more robust and efficient characterization experiments. Spectral filtering and light reflection have been used to produce compact and versatile fiber based optical cavities and sensors. Moreover, these technologies would be...

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Published in:Scientific reports 2016-06, Vol.6 (1), p.27214-27214, Article 27214
Main Authors: Muñoz-Matutano, G., Barrera, D., Fernández-Pousa, C.R., Chulia-Jordan, R., Seravalli, L., Trevisi, G., Frigeri, P., Sales, S., Martínez-Pastor, J.
Format: Article
Language:English
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639/624/400/3925
639/766/483/3925
639/766/930/527/1819
639/925/357/1017
Humanities and Social Sciences
multidisciplinary
Science
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Summary:New optical fiber based spectroscopic tools open the possibility to develop more robust and efficient characterization experiments. Spectral filtering and light reflection have been used to produce compact and versatile fiber based optical cavities and sensors. Moreover, these technologies would be also suitable to study N-photon correlations, where high collection efficiency and frequency tunability is desirable. We demonstrated single photon emission of a single quantum dot emitting at 1300 nm, using a Fiber Bragg Grating for wavelength filtering and InGaAs Avalanche Photodiodes operated in Geiger mode for single photon detection. As we do not observe any significant fine structure splitting for the neutral exciton transition within our spectral resolution (46 μeV), metamorphic QD single photon emission studied with our all-fiber Hanbury Brown & Twiss interferometer could lead to a more efficient analysis of entangled photon sources at telecom wavelength. This all-optical fiber scheme opens the door to new first and second order interferometers to study photon indistinguishability, entangled photon and photon cross correlation in the more interesting telecom wavelengths.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep27214