Coherent quadrature phase shift keying optical communication systems

Coherent quadrature phase shift keying optical communication systems

Coherent optical fiber communications for data rates of 100 Gbit/s and beyond have recently been studied extensively because high sensitivity of coherent receivers could extend the transmission distance. Spectrally efficient modulation techniques such as M-ary phase shift keying (PSK) can be employe...

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Veröffentlicht in:Optoelectronics letters 2018-09, Vol.14 (5), p.372-375
1. Verfasser: El-Nahal, Fady I.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidths
Coherence
Computer networks
Ethernet
Fiber optic communications
Lasers
Modulation
Optical communication
Optical Devices
Optical fibers
Optics
Photonics
Physics
Physics and Astronomy
Quadrature phase shift keying
Traffic capacity
Wavelength division multiplexing
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Beschreibung
Zusammenfassung:Coherent optical fiber communications for data rates of 100 Gbit/s and beyond have recently been studied extensively because high sensitivity of coherent receivers could extend the transmission distance. Spectrally efficient modulation techniques such as M-ary phase shift keying (PSK) can be employed for coherent optical links. The integration of multi-level modulation formats based on coherent technologies with wavelength-division multiplexed (WDM) systems is vital to meet the aggregate bandwidth demand. This paper reviews coherent quadrature PSK (QPSK) systems to scale the network capacity and maximum reach of coherent optical communication systems to accommodate traffic growth.
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-018-8032-y