Simultaneous Detection of Anomaly Points and Fiber Types in Multi-Span Transmission Links Only by Receiver-Side Digital Signal Processing. - Sasai, Takeo; Nakamura, Masanori; Okamoto, Seiji; Hamaoka, Fukutaro; Yamamoto, Shuto; Yamazaki, Etsushi; Matsushita, Asuka; Nishizawa, Hideki; Kisaka, Yoshiaki (2020)