Title :
Efficient single-spatial-mode PPKTP waveguide source for high dimensional entanglement-based QKD
Author :
Zhong, Tian ; Wong, Franco N C ; Restelli, Alessandro ; Bienfang, Joshua C.
Author_Institution :
Res. Lab. of Electron., Massachusetts Inst. of Technol., Cambridge, MA, USA
Abstract :
8.9×108/s single-spatial-mode time-energy entangled photon pairs at 1.56 μm are efficiently generated in a PPKTP waveguide, demonstrating Mbps key rates and 93.3% Franson quantum-interference visibility using high speed self-differencing InGaAs detectors.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; optical waveguides; quantum entanglement; Franson quantum-interference visibility; high dimensional entanglement-based QKD; high speed self-differencing detectors; single-spatial-mode PPKTP waveguide source; single-spatial-mode time-energy entangled photon pairs; wavelength 1.56 mum; Band pass filters; Detectors; Indium gallium arsenide; Interference; Logic gates; Photonics; Quantum entanglement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
