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Quantum Random Number Generator Service Begins
Dec 2010
BERLIN, Dec. 2, 2010 — PicoQuant GmbH and Nano-Optics groups at the Department of Physics of Humboldt University Berlin announced they have started a Quantum Random Number Generator (QRNG) that is based on the quantum randomness of photon arrival times.

The generator provides a bit rate with up to 150 Mbits/s over USB. Interested persons are invited to test and use the generated randomness on the university’s website provided below. The service is free of charge, but requires registration.

PicoQuant GmbH and the Nano-Optics groups at the Department of Physics of Humboldt University Berlin have developed The Quantum Random Number Generator, which is based on the quantum randomness of photon arrival times. (Photo: PicoQuant)

Users can download single chunks of random bits via the Web. Continuous streams of random data can be fed directly into custom application software by means of DLLs for access to the server. None of the served data is delivered more than once, neither to a single user nor across independent users.

The QRNG offers substantially higher bit rates than previous solutions available to the public. This was made possible by exploiting most recent photon timing instrumentation and state-of-the-art data processing in hardware. The post-processing algorithm applied to the raw data is based on sold predictions from information theory which guarantee conservation of randomness, allowing for the use of the delivered random numbers in unconditionally secure encryption schemes.

PicoQuant is a research and development company in the field of optoelectronics. Its product line includes pulsed diode lasers and LEDs, photon counting instrumentation, fluorescence lifetime spectrometers and time-resolved confocal microscopes.

To access the generator, visit: 

For more information, visit:

A precisely defined series of steps that describes how a computer performs a task.
An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
A sub-field of photonics that pertains to an electronic device that responds to optical power, emits or modifies optical radiation, or utilizes optical radiation for its internal operation. Any device that functions as an electrical-to-optical or optical-to-electrical transducer. Electro-optic often is used erroneously as a synonym.
Smallest amount into which the energy of a wave can be divided. The quantum is proportional to the frequency of the wave. See photon.
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