NuCrypt, LLC Introduces GHz Rate Single Photon Counting Systems
Evanston, Illinois (PRWEB) July 29, 2013 -- NuCrypt, LLC (http://www.nucrypt.net) has introduced a single photon detection system operating at GHz gate rates. The detection rate of avalanche photodiodes (APDs) operated as single photon detectors can be maximized by time-gating their detection efficiency. Over the last several years research groups have embraced the use of high speed GHz rate gating in order to remarkably extend the performance of single photon sensitive APDs in applications such as quantum key distribution and optical radar (lidar). However, commercially available detectors lag behind these rates by more than an order of magnitude. The NuCrypt system will help meet the needs of scientists and engineers looking for high performance low-light measurement tools for their research and development projects.
In addition to the high rate, the second generation Correlated Single Photon Detection System (CPDS-2000) can house up to four detectors and count and correlate single photon detection events across all detector channels. The CPDS-2000 has a number of features particularly useful for the type of time correlated light signals that are encountered in a range of scientific and engineering applications including measuring quantum entangled light or performing ghost imaging. Some features include the ability to store raw data from all the detectors, to delay each channel before correlation to account for different propagation delays, and to generate multiple electrical output signals to indicate when user-programmable correlation events occur. This feature set is expanded from NuCrypt’s first generation CPDS-1000 model that operated at much lower 50 MHz gate rates. The 25× rate improvement in the CPDS-2000 can greatly speed up measurements of low light levels and is particularly useful for quantum communications, quantum imaging, and when low-probability coincidence measurements are of interest (time correlated single photon detection). The detectors operate in the 1200-1600 nm band, which overlaps the technologically important 1550 nm "telecom" band that both has low loss in optical fibers and allows a high level of power to be transmitted over free space due to its relaxed eye safety constraints.
"Measuring single photons can be challenging, especially when performing time correlated measurements," notes Gregory Kanter, CEO of NuCrypt LLC. "Our customers want to dramatically speed up such measurements. Until now, this generally meant purchasing multiple pieces of equipment and custom building high rate detectors. The latest GHz rate correlated photon detection system from NuCrypt is a simple, single box solution that allows world class researchers to focus on their applications instead of their equipment." The CPDS-2000 can be ordered with 1 to 4 detection channels and has a standard gate rate of 1.25 GHz.
About the company:
NuCrypt is a privately held company founded in 2003. With core technology expertise in photonics, quantum effects, and high speed electronics, it develops test equipment, OEM modules, and applications for advanced photonic fields like quantum optics. For additional information, please see http://www.nucrypt.net.
For more information please contact:
Gregory Kanter
CEO, NuCrypt, LLC
kanterg(at)nucrypt(dot)net
CEO, Greg Kanter, NuCrypt, LLC, http://www.nucrypt.net, (847) 733-8750, [email protected]
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