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InP/InGaAs Uni-Traveling-Carrier Photodiodes
Tadao ISHIBASHI Tomofumi FURUTA Hiroshi FUSHIMI Satoshi KODAMA Hiroshi ITO Tadao NAGATSUMA Naofumi SHIMIZU Yutaka MIYAMOTO
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: High-Speed Optical Devices
photodiode, photoreceiver, InP, InGaAs,
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This paper reviews the operation, design, and performance of the uni-traveling-carrier-photodiode (UTC-PD). The UTC-PD is a new type of photodiode that uses only electrons as its active carriers and its prime feature is high current operation. A small signal analysis predicts that a UTC-PD can respond to an optical signal as fast as or faster than a pin-PD. A comparison of measured pulse photoresponse data reveals how the saturation mechanisms of the UTC-PD and pin-PD differ. Applications of InP/InGaAs UTC-PDs as optoelectronic drivers are also presented.