## 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 83

The laser-noise parameters are obtained from established

describe the so-called noise force. Such

density matrix

on.

The laser-noise parameters are obtained from established

**equations**thatdescribe the so-called noise force. Such

**equations**are Langevin**equation**,density matrix

**equation**, Fokker-Planck**equation**, circuit theory**equation**, and soon.

Page 92

Keeping in mind (3.87), the following differential

local optical oscillator can be written: ^ + 27rA/= sin if>(r)h(t - r)dr (3.91) This

differential

Keeping in mind (3.87), the following differential

**equation**for the phase of thelocal optical oscillator can be written: ^ + 27rA/= sin if>(r)h(t - r)dr (3.91) This

differential

**equation**defines the characteristics of the OPLL. The form of the**equation**is, ...Page 177

This form of the nonlinear

fiber loss. The exact form of the nonlinear

regime ...

This form of the nonlinear

**equation**does not include the influence of the opticalfiber loss. The exact form of the nonlinear

**equation**will be given in Chapter 7.**Equation**(6.60) can help us make the main conclusion referring to the solitonregime ...

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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