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Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Nanoscale+Res+Lett 2017 ; 12 (ä): ä Nephropedia Template TP
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Bright Single-Photon Source at 1 3 ?m Based on InAs Bilayer Quantum Dot in Micropillar #MMPMID28571308
Chen ZS; Ma B; Shang XJ; Ni HQ; Wang JL; Niu ZC
Nanoscale Res Lett 2017[]; 12 (ä): ä PMID28571308show ga
A pronounced high count rate of single-photon emission at the wavelength of 1.3 ?m that is capable of fiber-based quantum communication from InAs/GaAs bilayer quantum dots coupled with a micropillar (diameter ~3 ?m) cavity of distributed Bragg reflectors was investigated, whose photon extraction efficiency has achieved 3.3%. Cavity mode and Purcell enhancement have been observed clearly in microphotoluminescence spectra. At the detection end of Hanbury-Brown and Twiss setup, the two avalanched single-photon counting modules record a total count rate of ~62,000/s; the time coincidence counting measurement demonstrates single-photon emission, with the multi-photon emission possibility, i.e., g2(0), of only 0.14.