Noise modeling of an optically controlled MESFET (OPFET)

The noise performance of an optically controlled MESFET (OPFET) has been reported for the first time. An equivalent noise model of the OPFET has been developed for computation of the noise‐equivalent power (NEP) and signal‐to‐noise ratio at the output of the OPFET. The variations of NEP and SNR with...

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Bibliographic Details
Published in:Microwave and optical technology letters 2002-04, Vol.33 (2), p.79-83
Main Authors: Chakrabarti, P., Jha, Vinayak, Kalra, Pankaj, Gupta, Gaurav
Format: Article
Language:English
Subjects:
NEP
noise analysis
OPFET
optical detector
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Summary:The noise performance of an optically controlled MESFET (OPFET) has been reported for the first time. An equivalent noise model of the OPFET has been developed for computation of the noise‐equivalent power (NEP) and signal‐to‐noise ratio at the output of the OPFET. The variations of NEP and SNR with the operating frequency and optical power density have also been carried out. The IC compatibility of the device will make it especially attractive for use in MMICs and OEICs. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 79–83, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10242
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.10242