Near-unity efficiency, single-photon sources based on tapered photonic nanowires

Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

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Single-photon emission from excitons in InAs Quantum Dots (QD) embedded in GaAs Tapered Photonic Wires (TPW) already
demonstrated a 0.72 collection efficiency, with TPWs were the apex is the sharp end of the cone. Going to alternate designs, still
based on the idea of the adiabatic deconfinement of the quasi-Gaussian emission mode, but with inverted TPW where the apex is
the cone's base, leads to even larger efficiencies. In addition, these inverted TPWs make the electric pumping of the emitters
compatible with these large efficiencies.
Original languageEnglish
Title of host publication2012 Defense Security+Sensing : Technical Summaries
PublisherSPIE - International Society for Optical Engineering
Publication date2012
Pages242-243
StatePublished

Conference

ConferenceSPIE Defense, Security, and Sensing : Advanced Photon Counting Techniques VI
CountryUnited States
CityBaltimore, MD
Period23/04/1227/04/12
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