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Ultra-high bandwidth quantum secured data transmission
James F. Dynes, Winci W-S. Tam, Alan Plews +8
Quantum key distribution (QKD) provides an attractive means for securing communications in optical fibre networks. However, deployment of the technology has been hampered by the fr…
Near perfect mode overlap between independently seeded, gain-switched lasers
L. C. Comandar, M. Lucamarini, B. Fröhlich +3
We drastically improve the mode overlap between independently seeded, gain-switched laser diodes operating at gigahertz repetition rates by implementing a pulsed light seeding tech…
A directly phase-modulated light source
Z. L. Yuan, B. Fr\"ohlich, M. Lucamarini +3
The art of imparting information onto a light wave by optical signal modulation is fundamental to all forms of optical communication. Among many schemes, direct modulation of laser…
Quantum key distribution over multicore fiber
J. F. Dynes, S. J. Kindness, S. W. -B. Tam +7
We present the first quantum key distribution (QKD) experiment over multicore fiber. With space division multiplexing, we demonstrate that weak QKD signals can coexist with classic…