NDLI: Ingaas/inp heteroepitaxial schottky barrier diodes for terahertz applications

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Ingaas/inp heteroepitaxial schottky barrier diodes for terahertz applications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mattauch, Robert J. Li, Yongjun Bhapkar, Udayan V.
Copyright Year	1992
Description	This paper explores the feasibility of planar, sub-harmonically pumped, anti-parallel InGaAs/InP heteroepitaxial Schottky diodes for terahertz applications. We present calculations of the (I-V) characteristics of such diodes using a numerical model that considers tunneling. We also present noise and conversion loss predictions of diode mixers operated at 500 GHz, and obtained from a multi-port mixer analysis, using the I-V characteristics predicted by our model. Our calculations indicate that InGaAs/InP heteroepitaxial Schottky barrier diodes are expected to have an I-V characteristic with an ideality factor comparable to that of GaAs Schottky diodes. However, the reverse saturation current of InGaAs/InP diodes is expected to be much greater than that of GaAs diodes. These predictions are confirmed by experiment. The mixer analyses predict that sub-harmonically pumped anti-parallel InGaAs/InP diode mixers are expected to offer a 2 dB greater conversion loss and a somewhat higher single sideband noise temperature than their GaAs counterparts. More importantly, the InGaAs/InP devices are predicted to require only one-tenth of the local oscillator power required by similar GaAs diodes.
File Size	693925
Page Count	17
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930018592
Archival Resource Key	ark:/13960/t6450kz2z
Language	English
Publisher Date	1992-01-01
Access Restriction	Open
Subject Keyword	Electronics And Electrical Engineering Sidebands Schottky Diodes Epitaxy Oscillators Fabrication Volt-ampere Characteristics Indium Gallium Arsenides Losses Mixing Circuits Indium Phosphides Submillimeter Waves Mathematical Models Noise Temperature Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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