Schottky diodes in 40nm bulk CMOS for 1310nm high-speed optical receivers
Schottky diodes in 40nm bulk CMOS for 1310nm high-speed optical receivers
In this paper, the use of Schottky diodes in CMOS as 1310nm photodetectors is proposed. In contrast with regular pn-diodes, these diodes can convert photons with a wavelength longer than 1.1 μm to a high bandwidth current through internal photo emission. Distributed layout n-well and p-well Schottky diodes have been fabricated and characterized in 40nm bulk CMOS. The measured 1310nm DC responsivity for the n-well and p-well Schottky diodes is 0.4mA/W and 0.35A/W respectively for 1V reverse bias. To the authors' knowledge, this is the first 1310nm CMOS photodetector reported.
- KU Leuven Belgium
- Katholieke Universiteit Leuven Belgium
Technology, Science & Technology, Engineering, Physical Sciences, Engineering, Electrical & Electronic, Optics
Technology, Science & Technology, Engineering, Physical Sciences, Engineering, Electrical & Electronic, Optics
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