Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission

By combining the techniques of optical TDM with polarization multiplexing and DQPSK modulation, we performed 240 km transmission of 1.28 Tbit/s and 160 km transmission of 2.56 Tbit/s in a single wavelength channel. (2 pages)