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Bandwidth extension for optical wireless receiver-amplifiers
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Green, Roger, Higgins, Matthew D., Joshi, Harita and Leeson, Mark S. (2008) Bandwidth extension for optical wireless receiver-amplifiers. In: 10th International Conference on Transparent Optical Networks, Athens, Greece, Jun 22-26, 2008. Published in: Proceedings of 2008 10th International Conference on Transparent Optical Networks, Volume 4 pp. 201-204. ISBN ISBN: 978-1-4244-2625-6 . doi:10.1109/ICTON.2008.4598768
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Official URL: http://dx.doi.org/10.1109/ICTON.2008.4598768
Abstract
A technique is presented which permits an enhanced frequency response for optical wireless receivers. A cascade bootstrap approach has been employed which has been combined with coil peaking to deliver a bandwidth improvement of around 7.2 times in comparison with a conventional high impedance front end. A PIN photodiode has been used as the detector, and the technique improve on the limitations normally incurred because of device capacitance, stray capacitance, and also transit time effects. As an example of the application of the method. an initial 236 MHz bandwidth high impedance front-end configuration is shown to be capable of a bandwidth of 1.7 GHz with the same gain. The noise penalty is compatible with the change in bandwidth. and not degraded by the bandwidth cubed factor which equalisation tends to produce for the same bandwidth extension.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Optical communications, Wireless communication systems, Amplifiers (Electronics) | ||||
| Journal or Publication Title: | Proceedings of 2008 10th International Conference on Transparent Optical Networks | ||||
| Publisher: | Institute of Electrical and Electronic Engineers | ||||
| ISBN: | ISBN: 978-1-4244-2625-6 | ||||
| Editor: | Marciniak, M | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Volume 4 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 201-204 | ||||
| DOI: | 10.1109/ICTON.2008.4598768 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 10th International Conference on Transparent Optical Networks | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Athens, Greece | ||||
| Date(s) of Event: | Jun 22-26, 2008 |
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