Suspended Spot-Size Converters for Scalable Single-Photon Devices
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Suspended Spot-Size Converters for Scalable Single-Photon Devices. / Ugurlu, Asli D.; Thyrrestrup, Henri; Uppu, Ravitej; Ouellet-Plamondon, Clauderic; Schott, Ruediger; Wieck, Andreas D.; Ludwig, Arne; Lodahl, Peter; Midolo, Leonardo.
In: Advanced Quantum Technologies, Vol. 3, No. 2, 1900076, 02.2020.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Suspended Spot-Size Converters for Scalable Single-Photon Devices
AU - Ugurlu, Asli D.
AU - Thyrrestrup, Henri
AU - Uppu, Ravitej
AU - Ouellet-Plamondon, Clauderic
AU - Schott, Ruediger
AU - Wieck, Andreas D.
AU - Ludwig, Arne
AU - Lodahl, Peter
AU - Midolo, Leonardo
N1 - Hy Q
PY - 2020/2
Y1 - 2020/2
N2 - The realization of a highly efficient optical spot-size converter for the end-face coupling of single photons from GaAs-based nanophotonic waveguides with embedded quantum dots is reported. The converter is realized using an inverted taper and an epoxy polymer overlay providing a 1.3 mu m output mode field diameter. The collection of single photons from a quantum dot into a lensed fiber with a rate of 5.84 +/- 0.01 MHz is demonstrated and a chip-to-fiber coupling efficiency of is approximate to 48% estimated. The stability and compatibility with cryogenic temperatures make the epoxy waveguides a promising material to realize efficient and scalable interconnects between heterogeneous quantum photonic integrated circuits.
AB - The realization of a highly efficient optical spot-size converter for the end-face coupling of single photons from GaAs-based nanophotonic waveguides with embedded quantum dots is reported. The converter is realized using an inverted taper and an epoxy polymer overlay providing a 1.3 mu m output mode field diameter. The collection of single photons from a quantum dot into a lensed fiber with a rate of 5.84 +/- 0.01 MHz is demonstrated and a chip-to-fiber coupling efficiency of is approximate to 48% estimated. The stability and compatibility with cryogenic temperatures make the epoxy waveguides a promising material to realize efficient and scalable interconnects between heterogeneous quantum photonic integrated circuits.
KW - nanofabrication
KW - quantum dot devices
KW - semiconductor materials
KW - single-photon sources
KW - QUANTUM DOTS
KW - WAVE-GUIDES
KW - EFFICIENCY
KW - COMPACT
KW - LASERS
KW - FIBER
U2 - 10.1002/qute.201900076
DO - 10.1002/qute.201900076
M3 - Journal article
VL - 3
JO - Advanced Quantum Technologies
JF - Advanced Quantum Technologies
SN - 2511-9044
IS - 2
M1 - 1900076
ER -
ID: 245668470