Efficient heralding of passively spatial-multiplexed o-band photons for noise-tolerant quantum key distribution

• المؤلفون الرئيسيون: Liu, Mao Tong, Lim, Han Chuen
• مؤلفون آخرون: School of Electrical and Electronic Engineering
• التنسيق: Conference or Workshop Item
• اللغة: English
• منشور في: 2018
• الموضوعات: Quantum Communications; DRNTU::Engineering::Electrical and electronic engineering; Nonlinear Optics
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/87662; http://hdl.handle.net/10220/46792

We demonstrate an O-band passively spatial-multiplexed heralded photon source with 74.5% heralding efficiency for noise-tolerant quantum key distribution. Relation between QBER and noise-degraded g(2)(0) of heralded photons transmitted over a 10-km-long fiber is observed.