2.5 Gb/s DC coupled retimed optical transducer with a dynamic reference voltage comparator

A monolithic broad-band dc-coupled Silicon bipolar optical transducer has been designed to receive and retime uncoded data at rates up to 2.5 Gb/s. The transducer employs a modified feedback emitter coupled logic (FECL) loop to dynamically set reference voltages derived from the "1" and &q...

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Bibliographic Details
Published in:IEEE photonics technology letters 1996-05, Vol.8 (5), p.685-687
Main Authors: Ramakrishnan, V., Albers, J.N., Nottenburg, R.N., Hillery, W.J.
Format: Article
Language:English
Subjects:
Feedback loop
Optical coupling
Optical design
Optical feedback
Optical sensors
Output feedback
Silicon
Stimulated emission
Transducers
Voltage
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Summary:A monolithic broad-band dc-coupled Silicon bipolar optical transducer has been designed to receive and retime uncoded data at rates up to 2.5 Gb/s. The transducer employs a modified feedback emitter coupled logic (FECL) loop to dynamically set reference voltages derived from the "1" and "0" level output signals of the single-ended pre-amplifier for balanced operation of the decision circuit. The pre-amplifier has a nominal sensitivity of -23.1 dBm at 1 GHz.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.491595