## 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 215

39 ) where the subscripts c and d mean coherent and direct detection ,

factor given by ( 8 ...

39 ) where the subscripts c and d mean coherent and direct detection ,

**respectively**. Terms < N > , and à are determined by ( 8 . 13 ) and ( 8 . 14 ) ,**respectively**. In ( 8 . 38 ) and ( 8 . 39 ) Nop means the spontaneous emissionfactor given by ( 8 ...

Page 226

Levels 1 and 2 correspond ,

erbium ions , while level 3 corresponds to the pump absorption band . The rate

equations for the two first - level populations , N , and N2 , can be written in the

form ...

Levels 1 and 2 correspond ,

**respectively**, to the * I13 / 12 and * l15 / 2 levels oferbium ions , while level 3 corresponds to the pump absorption band . The rate

equations for the two first - level populations , N , and N2 , can be written in the

form ...

Page 287

If the probability density functions of process G , under the hypotheses H , and H1

, have the values wo ( G ) and w1 ( G ) ,

probability is defined as Pe = P ( H . ) P ( D / H ) + P ( H ) P ( D , / H ) ( H . 7 ) - 3

wo ( Cdc ...

If the probability density functions of process G , under the hypotheses H , and H1

, have the values wo ( G ) and w1 ( G ) ,

**respectively**, the minimal errorprobability is defined as Pe = P ( H . ) P ( D / H ) + P ( H ) P ( D , / H ) ( H . 7 ) - 3

wo ( Cdc ...

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### Contents

Preface | 5 |

Coherent Optical Receiver Sensitivity | 15 |

Optical Transmitters for Coherent Lightwave Systems | 61 |

Copyright | |

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### Common terms and phrases

according amplifier amplitude applied assumed bandwidth becomes carrier caused channels Chapter characteristics coefficient coherent optical receiver Communications components condition considered constant continuous wave corresponding defined density depends described detection scheme determined difference direct dispersion distance distribution effect Electron emission energy equal equation Erbium error probability evaluated expressed factor Figure filter frequency function gain given Hence heterodyne homodyne IEEE/OSA incoming increase influence input integral laser length light lightwave systems Lightwave Techn limit loss means methods mode modulation noise nonlinear obtained operation optical amplifiers optical fiber optical oscillator optical power optical receiver optical signal output parameters phase photodiode photons polarization possible practical presents propagation pulse pump Quantum Raman ratio realization referent region resonator respectively scattering semiconductor laser shift soliton spectral spectral linewidth spontaneous stimulated takes term transmission variance wave wavelength