Single-photon interference over 150-km transmission using silica-based integrated-optic interferometers for quantum cryptography
量子物理
2009-11-10 v2
摘要
We have demonstrated single-photon interference over 150 km using time-division interferometers for quantum cryptography, which were composed of two integrated-optic asymmetric Mach-Zehnder interferometers, and balanced gated-mode photon detectors. The observed fringe visibility was more than 80% after 150-km transmission.
关键词
引用
@article{arxiv.quant-ph/0403104,
title = {Single-photon interference over 150-km transmission using silica-based integrated-optic interferometers for quantum cryptography},
author = {Tadamasa Kimura and Yoshihiro Nambu and Takaaki Hatanaka and Akihisa Tomita and Hideo Kosaka and Kazuo Nakamura},
journal= {arXiv preprint arXiv:quant-ph/0403104},
year = {2009}
}
备注
10 pages, 2 figures, submitted to Electronics Letters