Mode couplings due to external forces distributed along a polarization-maintaining fiber: an evaluation

Makoto Tsubokawa, Tsunehito Higashi, Y. Negishi

Applied Optics

Active transmission line: light amplification by backward-stimulated Raman scattering in polarization-maintaining optical fiber

Masataka Nakazawa, Masamitsu Tokuda, Y. Negishi, +1

Journal of the Optical Society of America B

Optical MaterialsEngineeringOptical Transmission SystemActive Transmission LineLaser Applications +18

Loss increase for optical fibers exposed to hydrogen atmosphere

Keisuke Noguchi, N. Shibata, N. Uesugi, +1

Journal of Lightwave Technology

Optical MaterialsEngineeringOptical Transmission SystemHydrogen TransitionOptical Properties +9

Measurement of polarization mode coupling along a polarization-maintaining optical fiber using a backscattering technique

Masataka Nakazawa, Masamitsu Tokuda, Y. Negishi

Optics Letters

PhotonicsEngineeringPolarization ModeOptical Transmission SystemPolarization Imaging +10

Infra-red optical loss increase for silica fibre in cable filled with water

N. Uesugi, Yukio Murakami, C. Tanaka, +4

Electronics Letters

PhotonicsOptical MaterialsEngineeringOptical FibreFiber Structure +10

Measurements of polarization mode couplings along polarization-maintaining single-mode optical fibers

Masataka Nakazawa, Nori Shibata, Masamitsu Tokuda, +1

Journal of the Optical Society of America A

PhotonicsOptical MaterialsEngineeringPolarization ModeOptical Transmission System +12

Theoretical limit of repeater spacing in an optical transmission line utilizing Raman amplification

Takuya Nakashima, Shigeyuki Seikai, Masataka Nakazawa, +1

Journal of Lightwave Technology

Optical MaterialsRaman AmplificationOptical Transmission LineEngineeringOptical Transmission System +19

Submarine optical fiber cable: development and laying results

N. Kojima, Tetsuro Yabuta, Y. Negishi, +5

Applied Optics

Subsea SystemPhotonicsEngineeringMultimaterial FiberFiber Structure +11

Characteristics of dispersion-shifted dual shape core single-mode fibers

Nobuo Kuwaki, Masaharu Ohashi, C. Tanaka, +3

Journal of Lightwave Technology

PhotonicsEngineeringMultimaterial FiberFiber StructureOptical Properties +7

Bend-optimised dispersion-shifted step-shaped-index (SSI) fibres

Masaharu Ohashi, Nobuo Kuwaki, C. Tanaka, +2

Electronics Letters

PhotonicsDispersion-shifted FibresEngineeringFlexible ElectronicsStep-shaped Index Profile +11