## Coherent and Nonlinear Lightwave CommunicationsThis is a practical source on recent developments in coherent and nonlinear lightwave communications. The book systematically presents up-to-date explanations of all the relevant physical principles and recent research in this emerging area. Providing an unparallelled engineering-level treatment (with 700 equations), this reference also describes the progression of coherent and nonlinear technology from yesterday's experimental field to today's practical applications tool. This work is intended as a tool for research telecommunication engineers, applications engineers working with broadband telecom systems and networks, and postgraduate students. |

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Page 12

Such a transmission can be realized only if the

the zero dispersion wavelength. However, any small

from the zero dispersion value causes drastic limitation of the transmitting bit rate.

Such a transmission can be realized only if the

**operating**wavelength is equal tothe zero dispersion wavelength. However, any small

**operating**wavelength shiftfrom the zero dispersion value causes drastic limitation of the transmitting bit rate.

Page 113

If the feedback is broken, or if the

zero, the output signal from the VCO is equal to s2(t) = S2 sin(w2f + <p2) (4.38)

The frequency, w2, presents a stationary value of the VCO. If the feedback in the

...

If the feedback is broken, or if the

**operating**voltage at the VCO input is equal tozero, the output signal from the VCO is equal to s2(t) = S2 sin(w2f + <p2) (4.38)

The frequency, w2, presents a stationary value of the VCO. If the feedback in the

...

Page 221

There should be pumping by some bias current, /, which determines the

injection. Thus, in effect the bias current is a basic pump, and a weak optical

signal is a ...

There should be pumping by some bias current, /, which determines the

**operating**point of the laser. The pumping is accompanied by information- signalinjection. Thus, in effect the bias current is a basic pump, and a weak optical

signal is a ...

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### Contents

Coherent Optical Receiver Sensitivity | 15 |

Optical Transmitters for Coherent Lightwave Systems | 61 |

Optical Receivers for Coherent Lightwave Systems | 101 |

Copyright | |

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### Common terms and phrases

amplification coefficient amplitude applied Brillouin scattering carrier frequency Chapter characteristics coherent detection coherent lightwave system coherent optical receiver components corresponding defined depends detection scheme digit interval dispersion DPSK electric field energy equal equation erbium-doped fiber amplifiers error probability evaluated expressed Figure filter frequency shift Gaussian Hence heterodyne detection homodyne detection IEEE IEEE/OSA IM/DD incoming optical signal influence input laser amplifiers length Lett lightwave systems Lightwave Techn loss modulating signal multichannel nonlinear effects nonlinear lightwave system obtained optical amplifiers optical oscillator optical power optical transmitter optical-fiber parameters phase difference phase modulation phase noise phase shift photodetector photodiode photons polarization propagation PSK signals pump signal Raman amplification Raman amplifiers random ratio realization receiver sensitivity refractive index resonator scattered signal semiconductor laser signal power single-mode optical fiber soliton pulse soliton regime spectral linewidth spectrum spontaneous emission term thermal noise transmission system variance voltage width