23.5 A dual 64Gbaud 10kΩ 5% THD linear differential transimpedance amplifier with automatic gain control in 0.13µm BiCMOS technology for optical fiber coherent receivers

Long-haul optical links are experiencing a transition to coherent techniques because they enable the use of modulation techniques with high spectral efficiency, such as QPSK and QAM [1], which in turn require highly linear low-noise optical-electrical front-ends. To cope with the ever-growing demand...

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Bibliographic Details
Published in2016 IEEE International Solid-State Circuits Conference (ISSCC) pp. 406 - 407
Main Authors Awny, Ahmed, Nagulapalli, Rajasekhar, Micusik, Daniel, Hoffmann, Jan, Fischer, Gunter, Kissinger, Dietmar, Ulusoy, Ahmet Cagri
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.01.2016
Subjects
Bandwidth
Gain control
Optical amplifiers
Optical buffering
Optical device fabrication
Optical receivers
Optical variables measurement
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Summary:Long-haul optical links are experiencing a transition to coherent techniques because they enable the use of modulation techniques with high spectral efficiency, such as QPSK and QAM [1], which in turn require highly linear low-noise optical-electrical front-ends. To cope with the ever-growing demand for high data rates in the consumer market, the Ethernet standard for long-haul optical links is moving soon from 100 to 400Gb/s. A possible candidate symbol rate to reach this bit rate using complex modulation formats is 64Gbaud.
ISBN:1467394661
9781467394666
ISSN:2376-8606
DOI:10.1109/ISSCC.2016.7418079