Quantum mechanics can be utilized to develop ultra-secure communication channels. Practical implementation of these systems requires solid-state detectors such as single photon avalanche detectors (SPADs). This paper will review state-of-the-art SPADs and describe recent advances.
© 2009 Optical Society of America
J. Campbell, "Single Photon Avalanche Photodiodes," in Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper OWX1.