Hisashi Izumita

Mitsuru Kihara, Hisashi Izumita, Morikazu Uchino, 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

Fault-locating technique for in-service 1:98 branched optical networks using an amplified optical time-domain reflectometer

Hisashi Izumita, Izumi Sankawa, Shinichi Furukawa, 1991 .

Simple and cost-effective fault location technique using bi-directional OTDR and in-service line testing criteria for PONs

Fumihiko Ito, Hisashi Izumita, Noriyuki Araki, 2005 .

Future targets and technologies of central office optical fiber distribution system

Yoshitaka Enomoto, Hisashi Izumita, Nobuo Tomita, 1998 .

Cost-effective and Low Loss Two-band Video Multiplexing Add-in Module for Optical Fibre Distribution System in Central Office

Hisashi Izumita, Noriyuki Araki, Yusuke Koshikiya, 2006, 2006 European Conference on Optical Communications.

Influence on transmission quality with test light bypass modules

Yoshitaka Enomoto, Nazuki Honda, Hisashi Izumita, 2001 .

Highly developed coherent detection OTDR technology and its applications to optical fiber networks monitoring = Koseinokashita kohirento kenpa OTDR gijutsu to hikari faibamo kanshi e no oyo

Hisashi Izumita, 2008 .

Enhancement of otdr performance with an optical fiber amplifier

Hisashi Izumita, Shinichi Furukawa, Izumi Sankawa, 1992 .

Optical fiber line testing system using test light bypass module for ADM ring networks

Yoshitaka Enomoto, M. Nakamura, Nazuki Honda, 2001, Proceedings 27th European Conference on Optical Communication (Cat. No.01TH8551).

Reduction in Optical Fiber Maintenance Cost by Using Automatic Optical Fiber Operations Support System with Remote Fiber Selector

Hisashi Izumita, Minoru Nakamura, Noriyuki Araki, 2002 .

Highly Developed Fiber Fault Isolation Technique for Branched Optical Fibers of PONs Using High Spatial Resolution OTDR and Frequency Domain Analysis

Yoshitaka Enomoto, Hisashi Izumita, Minoru Nakamura, 2005 .

Extended optical fiber line testing system using new eight-channel L/U-band crossed optical waveguide coupler for L-band WDM transmission

Nazuki Honda, Hisashi Izumita, Noriyuki Araki, 2003 .

Distributed Sensing Techniques Using Brillouin Scattering

Hisashi Izumita, Toshio Kurashima, Tsuneo Horiguchi, 1997 .

Unusual fault detection and loss analysis in optical fiber connections with refractive index matching material

Mitsuru Kihara, Hisashi Izumita, Masanobu Toyonaga, 2012 .

Stochastic amplitude fluctuation in coherent OTDR and a new technique for its reduction by stimulating synchronous optical frequency hopping

Yahei Koyamada, Hisashi Izumita, Izumi Sankawa, 1997 .

Distributed strain measurement using BOTDR improved by taking account of temperature dependence of Brillouin scattering power

Yahei Koyamada, Hisashi Izumita, Toshio Kurashima, 1997 .

The performance limit of coherent OTDR enhanced with optical fiber amplifiers due to optical nonlinear phenomena

Yahei Koyamada, Hisashi Izumita, Izumi Sankawa, 1994 .