Optical Communications from a Fourier Perspective: Fourier Theory and Optical Fiber Devices and Systems covers Fourier theory and signal analysis over photonic components, including time lenses in optical communication. Sections cover wave propagation in optical waveguides based on Maxwell equations and the nonlinear Schrödinger equation. Optical Fourier transform in the form of time lens is covered, for example in modulation format conversion and spectrum magnification, and couplers and their use for optical discrete Fourier transformation are also discussed. Other important subjects are…mehr
Optical Communications from a Fourier Perspective: Fourier Theory and Optical Fiber Devices and Systems covers Fourier theory and signal analysis over photonic components, including time lenses in optical communication. Sections cover wave propagation in optical waveguides based on Maxwell equations and the nonlinear Schrödinger equation. Optical Fourier transform in the form of time lens is covered, for example in modulation format conversion and spectrum magnification, and couplers and their use for optical discrete Fourier transformation are also discussed. Other important subjects are discussed such as shot noise, thermal noise and also the basics of four wave mixing in relation to time lenses. Detailed derivations and a deeper background for the chapters are provided in appendices where appropriate. Some of the theory is more generally applicable beyond optical communication and is of relevance also for communications engineering. The Fourier theory dimension of the book presents the relationship between Fourier series and Fourier integrals and also the related Laplace transform.
Palle Jeppesen is professor emeritus at the Technical University of Denmark (DTU) and a researcher with many years' experiences in optical fiber communications, lasers, fibers, systems, and ultra-high-speed optical communications. He has been a member of the Danish Technical Research Council, the Scientific Council for the Danish National Encyclopedia, and on the boards of a number of large corporate entities. His current research interests are optical signal processing, optical multi-level modulation formats, and terabit optical communication.
Inhaltsangabe
1. The Dirac delta function and Heaviside step function 2. Fourier series, Parseval's theorem, FFT and Cooley-Tukey algorithm 3. Fourier integrals and Fourier series 4. Properties of the Fourier transform and Heaviside's step function 5. Complex signal, complex envelope and Hilbert transform 6. Correlation functions, spectral density, Wiener-Khinchine theorem 7. Linear, time-invariant systems 8. Transfer matrices and frequency filters 9. Laplace transforms, transfer functions, Nyquist criterion 10. Maxwell's equations, optical waveguides and Poynting's vector 11. Pulse propagation in optical fibers 12. Split step Fourier method and nonlinear Schrodinger equation 13. Introduction to modulation formats 14. Required bandwidth for heterodyne and homodyne detection 15. Bandpass noise 16. Bit error rate 17. Pulse shaping using optical Fourier transform 18. Spectrum magnification 19. Optical Fourier transformation, dispersion compensation, jitter suppression 20. Regeneration of WDM phase-modulated signals 21. Time-space duality, dispersion and diffraction, time lens 22. Couplers and their use for optical DFT 23. Multicarrier modulation, OFDM, DFT, Nyquist modulation 24. Optical orthogonal frequency division modulation
1. The Dirac delta function and Heaviside step function 2. Fourier series, Parseval's theorem, FFT and Cooley-Tukey algorithm 3. Fourier integrals and Fourier series 4. Properties of the Fourier transform and Heaviside's step function 5. Complex signal, complex envelope and Hilbert transform 6. Correlation functions, spectral density, Wiener-Khinchine theorem 7. Linear, time-invariant systems 8. Transfer matrices and frequency filters 9. Laplace transforms, transfer functions, Nyquist criterion 10. Maxwell's equations, optical waveguides and Poynting's vector 11. Pulse propagation in optical fibers 12. Split step Fourier method and nonlinear Schrodinger equation 13. Introduction to modulation formats 14. Required bandwidth for heterodyne and homodyne detection 15. Bandpass noise 16. Bit error rate 17. Pulse shaping using optical Fourier transform 18. Spectrum magnification 19. Optical Fourier transformation, dispersion compensation, jitter suppression 20. Regeneration of WDM phase-modulated signals 21. Time-space duality, dispersion and diffraction, time lens 22. Couplers and their use for optical DFT 23. Multicarrier modulation, OFDM, DFT, Nyquist modulation 24. Optical orthogonal frequency division modulation
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