Optical performance monitor built into EDFA repeaters for WDM networks

Asahi, K., Yamashita, M., Hosoi, T., Nakaya, K., Konishi, C., & Fujita, S. (1998). Optical performance monitor built into EDFA repeaters for WDM networks. In Conference on Optical Fiber Communication, Technical Digest Series (Vol. 1998-January, pp. 318–319). Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1109/ofc.1998.657436