Wednesday, May 12, 2010

Pure silicon IR photo-detector

SPIE reports on a new photo-detector developed at the NTT Basic Research Labs for the 1.55μm band using only silicon. Application is for optical communications, and it seems complicated to apply in an array fashion for imaging, but it's still interesting.
[...] The result is a high detection efficiency (~20%) with ultralow dark current (15pA) for all-silicon photodetectors in the 1.55μm band. [...]

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