Title :
High visibility two-photon interference of entangled photons from a quasi-phase-matched AlGaAs waveguide
Author :
Sarrafi, Peyman ; Zhu, Eric ; Holmes, B.M. ; Hutchings, D.C. ; Aitchison, Stewart ; Li Qian
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada
Abstract :
We experimentally demonstrate time-frequency entanglement of photon pairs produced in a cw-pumped quasi-phased-matched AlGaAs superlattice waveguide, producing 8×106 pairs/s with 96.0 ± 0.7% visibility without background subtraction, highest known visibility by far in AlGaAs waveguides.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; optical multilayers; optical phase matching; optical pumping; optical waveguides; quantum entanglement; quantum optics; superlattices; two-photon processes; AlGaAs; cw-pumped quasiphase-matched AlGaAs waveguide; entangled photons; high visibility two-photon interference; time-frequency photon pair entanglement; visibility; Educational institutions; Interference; Optical frequency conversion; Optical waveguides; Photonics; Superlattices;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
