Katsuhiro Ochiai

Echo Canceler with Two Echo Path Models

Katsuhiro Ochiai, T. Araseki, Takuya Ogihara · IRE Transactions on Communications Systems · 1977 · 107 citations

Hardware Security, Foreground Epm, Speech Coding +13

Ultra-wideband amplifiers based on Bi2O3-EDFAs

Seiki Ohara, Naoki Sugimoto, Katsuhiro Ochiai et al. · Optical Fiber Technology · 2004 · 40 citations

Ultra-wideband Amplifiers, Electrical Engineering, Engineering +4

Fusion Spliceable and High Efficient Bi2O3-based EDF for Short-length and Broadband Application Pumped at 1480 nm

Yutaka Kuroiwa, Naoki Sugimoto, Katsuhiro Ochiai et al. · Optical Fiber Communication Conference and International Conference on Quantum Information · 2001 · 24 citations

Materials Science, Engineering, Conventional Fusion +12

Bi 2 O 3 -based glass for S-band amplification

Seiki Ohara, Naoki Sugimoto, Yuki Kondo et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2002 · 17 citations

Optical Materials, Engineering, S-band Amplification +16

Novel Short-Length EDF for C+L Band Amplification

Naoki Sugimoto, Yutaka Kuroiwa, Katsuhiro Ochiai et al. · 2000 · 15 citations

Novel Short-length Edf, Optical Materials, Engineering +17