High Spectral Density Optical Communication Technologies

Overview and System Technologies.- Social Demand of New Generation Information Network: Introduction to High Spectral Density Optical Communication Technology.- Coherent Optical Communications: Historical Perspectives and Future Directions.- Ultrahigh Spectral Density Coherent Optical Transmission Technologies.- "Quasi Ultimate" Technique.- High-Speed and High-Capacity Optical Transmission Systems.- Advanced Modulation Formats.- Multilevel Signaling with Direct Detection.- High Spectral Efficiency Coherent Optical OFDM.- Polarization-Division-Multiplexed Coherent Optical OFDM Transmission Enabled by MIMO Processing.- No-Guard-Interval Coherent Optical OFDM with Frequency Domain Equalization.- QPSK-Based Transmission System: Trade-Offs Between Linear and Nonlinear Impairments.- Real-Time Digital Coherent QPSK Transmission Technologies.- Challenge for Full Control of Polarization in Optical Communication Systems.- Opto-Electronics Devices.- Semiconductor Lasers for High-Density Optical Communication Systems.- Monolithic InP Photonic Integrated Circuits for Transmitting or Receiving Information with Augmented Fidelity or Spectral Efficiency.- Integrated Mach-Zehnder Interferometer-Based Modulators for Advanced Modulation Formats.- Key Devices for High-Speed Optical Communication and Their Application to Transceiver Module.- Forward Error Correction.