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Large-signal charge control modeling of photoreceivers for applications up to 40 Gb/s

Helme, J.P, Houston, P.A and Tan, C.H (2009) Large-signal charge control modeling of photoreceivers for applications up to 40 Gb/s. IEEE Journal of Quantum Electronics, 45 (7). pp. 833-839. ISSN 0018-9197

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Abstract

A charge control model was used to simulate the sensitivity and responsivity in a range of photodetector configurations including heterojunction bipolar phototransistors (HPTs), PIN-HBT, and APDs. Our simulations enabled for the first time a direct comparison of the performance between these photodetectors to be made. Simulations have been performed at bit rates from 2 to 40 Gb/s using various combinations of device design parameters (layer thickness, source resistance, and dc base voltage). For a BER = 10(-9) at 40 Gb/s the best sensitivity of approximately -20 dBm was achieved using an optimized APD-HBT configuration, followed by sensitivities of approximately -14 dBm using optimized PIN-HBTs and HPTs. These results were found to agree well with published experimental data.

Item Type: Article
Copyright, Publisher and Additional Information: © Copyright 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: APDs; heterojunction bipolar phototransistors (HBTs); photoreceivers
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User: Miss Anthea Tucker
Date Deposited: 03 Aug 2009 14:17
Last Modified: 06 Jun 2014 09:15
Published Version: http://dx.doi.org/10.1109/JQE.2009.2013127
Status: Published
Publisher: Institute of Electrical and Electronics Engineers
Refereed: Yes
Identification Number: 10.1109/JQE.2009.2013127
URI: http://eprints.whiterose.ac.uk/id/eprint/9033

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