High-speed bidirectional four-channel optical FDM-NCFSK transmission using an Er/sup 3+/-doped fiber amplifier

Wann-Yin Guo, Yung-Kuang Chen
1993 IEEE Photonics Technology Letters  
A practical configuration of distributed optical star couplers using erbium-doped fiber amplifiers," in Tech. Dig. 4th Opto-Electron. Conf. OEC'92, Japan, July 15-17, 1992, paper 16D2-6. J. P. Laude and J. M. Lerner, "Wavelength division multiplexing/demultiplexing (WDM) using diffraction grating,"
doi:10.1109/68.196015 fatcat:s3ieheclfrcaro5c2td2gsqm54