Kabushiki Kaisha Toshiba

Mirko Sanzaro

Andrew James Shields

Zhiliang Yuan

Taofiq Paraiso

Davide Marangon

Thomas Roger

Innocenzo De Marco

James Dynes

Christopher Meayers

Andrew Simpkins

A photon detection system comprising an avalanche photodiode configured to generate a photodiode signal in response to an incident photon. The photon detection system also comprises a biasing circuit configured to supply a gating signal to the avalanche photodiode. The gating signal is a periodic signal configured to reverse bias the avalanche photodiode above and below its breakdown voltage for photon detection during each period. The photon detection system further comprises a non-reflective filter circuit configured to receive, at an input port, the photodiode signal, and provide, at a first output port, a first filtered output signal by applying a low-pass filter with a first cut-off frequency to the received photodiode signal.

Photon detection system including an avalanche photodiode and a biasing circuit to supply a gating signal

A system for generating a biased random bit stream, wherein said biased bit stream has different predetermined probabilities of occurrence for bit '0' and bit “1”, said system comprising:

System and method to generate biased random bit streams and quantum communication system and method

An optical module includes: a quantum photonic integrated circuit; a temperature controller; and a housing configured to house the photonic integrated circuit and the temperature controller. The photonic integrated circuit is attached to the temperature controller, such that the photonic integrated circuit is in thermal communication with the temperature controller, and the temperature controller is attached directly to the housing, such that the temperature controller is in direct thermal communication with the housing.

Optical module, a system, a sending unit, a receiving unit, and a quantum communication system

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Cambridge, United Kingdom

Mirko Sanzaro