An MLSE Receiver for Electronic Dispersion Compensation of OC-192 Fiber Links

A maximum-likelihood sequence estimation (MLSE) receiver is fabricated to combat dispersion/intersymbol interference (chromatic and polarization mode), noise (optical and electrical), and nonlinearities (e.g., fiber, receiver photodiode, or laser) in OC-192 metro and long-haul links. The MLSE receiv...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 2006-11, Vol.41 (11), p.2541-2554
Main Authors: Hyeon-Min Bae, Ashbrook, J.B., Jinki Park, Shanbhag, N.R., Singer, A.C., Chopra, S.
Format: Article
Language:English
Subjects:
A/D converter (ADC)
Algorithms
Amplifiers
Applied sciences
Circuit properties
clock data recovery (CDR)
Compensation
demultiplexer (DEMUX)
Dispersions
Electric, optical and optoelectronic circuits
Electronic circuits
electronic dispersion compensation (EDC)
electronic post-detection equalization (EDE)
Electronics
Equalizers
Exact sciences and technology
Fiber lasers
G.709 optical transport network (OTN)
high-speed ASIC
Integrated optics. Optical fibers and wave guides
Intersymbol interference
Laser modes
Links
Maximum likelihood estimation
maximum-likelihood sequence estimation (MLSE)
OC-192
Optical and optoelectronic circuits
Optical fiber polarization
Optical noise
Optical receivers
Optoelectronic devices
phase-locked loop (PLL)
Photodiodes
Polarization mode dispersion
Receivers
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Signal convertors
Stimulated emission
variable gain amplifier (VGA)
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Description
Summary:A maximum-likelihood sequence estimation (MLSE) receiver is fabricated to combat dispersion/intersymbol interference (chromatic and polarization mode), noise (optical and electrical), and nonlinearities (e.g., fiber, receiver photodiode, or laser) in OC-192 metro and long-haul links. The MLSE receiver includes a variable gain amplifier with 40-dB gain range and 7.5-GHz 3-dB bandwidth, a 12.5-Gb/s 4-bit analog-to-digital converter, a dispersion-tolerant phase-locked loop, a 1:8 demultiplexer, and a digital equalizer implementing the MLSE algorithm. The MLSE receiver achieves more than 50% reach extension at signal-to-noise levels of interest as compared to conventional clock data recovery systems
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.2006.883317