All-Optical Signal Processing

Optical signal processing brings together various fields of optics and signal processing - namely, nonlinear devices and processes, analog and digital signals, and advanced data modulation formats - to achieve high-speed signal processing functions that can potentially operate at the line rate of fi...

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Bibliographic Details
Published in:Journal of lightwave technology 2014-02, Vol.32 (4), p.660-680
Main Authors: Willner, Alan E., Khaleghi, Salman, Chitgarha, Mohammad Reza, Yilmaz, Omer Faruk
Format: Article
Language:English
Subjects:
All optical circuits
Applied sciences
Circuit properties
Digital signal processors
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber optic communications
High-speed optical techniques
Information, signal and communications theory
Modulation formats
Modulation, demodulation
Multiplexing
nonlinear
Nonlinear optics
Optical and optoelectronic circuits
Optical fiber communications
optical logic
Optical polarization
Optical pumping
Optical signal processing
Optical telecommunications
Optical wavelength conversion
quadrature amplitude modulation (QAM)
Signal and communications theory
Signal processing
Telecommunications
Telecommunications and information theory
Ultrafast optics
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Summary:Optical signal processing brings together various fields of optics and signal processing - namely, nonlinear devices and processes, analog and digital signals, and advanced data modulation formats - to achieve high-speed signal processing functions that can potentially operate at the line rate of fiber optic communications. Information can be encoded in amplitude, phase, wavelength, polarization and spatial features of an optical wave to achieve high-capacity transmission. We revisit advances in the key enabling technologies that led to recent research in optical signal processing for digital signals that are encoded in one or more of these dimensions. Various optical nonlinearities and chromatic dispersion have been shown to enable key sub-system applications such as wavelength conversion, multicasting, multiplexing, demultiplexing, and tunable optical delays. We review recent advances in high-speed optical signal processing applications in the areas of equalization, regeneration, flexible signal generation, and optical control information (optical logic and correlation).
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2013.2287219