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6 October 2006 Development and applications of a Si nanophotodiode with a surface plasmon antenna
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Proceedings Volume 6352, Optoelectronic Materials and Devices; 63521U (2006) https://doi.org/10.1117/12.691553
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea
Abstract
We developed a nano-photodiode that confines and absorbs the sub-wavelength-size optical near field in small-scale silicon. A surface plasmon resonance antenna is used to enhance the near field in silicon. The response time of the nanophotodiodes is shorter than that of conventional photodiodes because the separation between anode and cathode and the size of the electrodes can be as small as one thousandth of that for conventional photodiodes. The full-width at halfmaximum of the impulse response of the silicon nano-photodiode was as fast as ~20 ps even when the bias voltage was less than 1 V. This nano-photodiode technology can be applied to other semiconductor materials such as germanium and ternary compound semiconductors.
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Keishi Ohashi, Junichi Fujikata, Tsutomu Ishi, Daisuke Okamoto, Kikuo Makita, and Kenichi Nishi "Development and applications of a Si nanophotodiode with a surface plasmon antenna", Proc. SPIE 6352, Optoelectronic Materials and Devices, 63521U (6 October 2006); https://doi.org/10.1117/12.691553
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