Phase-Modulated Optical Communication Systems
Phase-Modulated Optical Communication Systems by Keang-Po Ho, published by Springer Science & Business Media in July 2005, is a comprehensive exploration of the advancements in fiber-optic communication systems. This 430-page edition delves into the significance of phase modulation in optical communications, emphasizing its role in enhancing the transmission of information through optical carriers. The book addresses the limitations of traditional systems that rely solely on signal intensity, highlighting the necessity of utilizing phase for improved data capacity.
Readers will find a thorough examination of various aspects of phase-modulated optical communications, including the design of transmitters and receivers for coherent lightwave systems, performance analysis methods, and the impact of fiber nonlinearities on direct-detection DPSK signals. The text also covers advanced topics such as wavelength-division-multiplexed signals and multi-level phase modulation techniques. This edition serves as a valuable resource for graduate students, professional engineers, and researchers interested in the fields of telecommunications and optics.
Official synopsis Publisher
Fiber-optic communication systems have revolutionized our telecommunication infrastructures – currently, almost all telephone land-line, cellular, and internet communications must travel via some form of optical fibers. In these transmission systems, neither the phase nor frequency of the optical signal carries information – only the intensity of the signal is used. To transmit more information in a single optical carrier, the phase of the optical carrier must be explored.
As a result, there is renewed interest in phase-modulated optical communications, mainly in direct-detection DPSK signals for long-haul optical communication systems. When optical amplifiers are used to maintain certain signal level among the fiber link, the system is limited by amplifier noises and fiber nonlinearities. Phase-Modulated Optical Communication Systems surveys this newly popular area, covering the following topics:
– The transmitter and receiver for phase-modulated coherent lightwave systems
– Method for performance analysis of phase-modulated optical signals
– Direct-detection DPSK signal with fiber nonlinearities, degraded by nonlinear phase noise and intrachannel effects
– Wavelength-division-multiplexed direct-detection DPSK signals
– Multi-level phase-modulated optical signals, such as the four-phase DQPSK signal.
Graduate students, professional engineers, and researchers will all benefit from this updated treatment of an important topic in the optical communications field.
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