High-speed resonant-tunneling photodetectors with low-switching energy
- 1 June 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 9 (6) , 803-805
- https://doi.org/10.1109/68.584996
Abstract
By taking advantage of the negative differential resistance characteristics of a resonant tunneling heterostructure, we have developed a novel photodetector which exhibits responsivities and gain-bandwidth efficiency products in excess of 10 A/W and 10 GHz/spl middot/A/W, respectively. Low switching energy (30 fJ) and bit-error rates of less than 10/sup -9/ at data rates at 2 Gb/s have been achieved with this optically-switched resonant-tunneling diode.Keywords
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