## 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 138

Thus, if the modulating signal in the considered Mth channel is s(t) = mm cos(

2irfct + <pM) and the corresponding power spectral density function is S,(f), the

power spectral density of the total current signal, t„ can be

) is ...

Thus, if the modulating signal in the considered Mth channel is s(t) = mm cos(

2irfct + <pM) and the corresponding power spectral density function is S,(f), the

power spectral density of the total current signal, t„ can be

**expressed**as where v(f) is ...

Page 199

where the pulsewidth, t0, is

= A/1.5 in micrometers and normalized dispersion D' = D/\5 in picoseconds per

nanometer kilometer, while P' represents the relative pulse power in relation to ...

where the pulsewidth, t0, is

**expressed**in picoseconds, normalized wavelength A'= A/1.5 in micrometers and normalized dispersion D' = D/\5 in picoseconds per

nanometer kilometer, while P' represents the relative pulse power in relation to ...

Page 276

f0i*w(r)dr = 2a2 (C.19) The variance of the instantaneous values of the noise

envelope can be

density function of the narrowband noise phase can be found by the integration

of (C.16) ...

f0i*w(r)dr = 2a2 (C.19) The variance of the instantaneous values of the noise

envelope can be

**expressed**as oj = 72 - r2 = 0.43<r2 (C.20) The probabilitydensity function of the narrowband noise phase can be found by the integration

of (C.16) ...

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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