Optical time domain reflectometry in a single-mode fiber

KI Aoyama, K Nakagawa, T Itoh - IEEE Journal of Quantum …, 1981 - ieeexplore.ieee.org
This paper describes the theoretical and experimental study of an optical time domain
reflectometry (OTDR) in a single-mode fiber. The maximum measurable distance by the …

Pulse-position modulation for transmission over optical fibers with direct or heterodyne detection

I Garrett - IEEE transactions on communications, 1983 - ieeexplore.ieee.org
The best monomode optical fiber links have bandwidths orders of magnitude greater than
that of the information currently transmitted over them. This excess bandwidth can be …

2 Gbit/s optical transmission experiments at 1.3 μm with 44 km single-mode fibre

JI Yamada, S Machida, T Kimura - Electronics Letters, 1981 - IET
GeAPD optical receiver sensitivity at 1.3 μm was studied up to 2 Gbit/s. High sensitivity of the
receiver and a low coupling loss of 4 dB between a laser and a single-mode fibre achieved …

102 km unrepeatered monomode fibre system experiment at 140 Mbit/s with an injection locked 1.52? m laser transmitter

DJ Malyon, AP McDonna - Electronics Letters, 1982 - infona.pl
An experiment has been performed over 102 km of low-loss monomode fibre at 140 Mbit/s
using an injection-locked source at 1.52? m. The experiment showed that long-haul …

Experimental comparison of a germanium avalanche photodiode and InGaAs PINFET receiver for longer wavelength optical communication systems

DR Smith, RC Hooper, PP Smyth, D Wake - Electronics Letters, 1982 - infona.pl
Experimental comparison of a germanium avalanche photodiode and InGaAs PINFET
receiver for longer wavelength optical communication systems × Close The Infona portal uses …

Finite-element analysis of discontinuity problem of SH modes in an elastic plate waveguide

M Koshiba, H Morita, M Suzuki - Electronics Letters, 1981 - infona.pl
A method for the solution of the discontinuity problem of SH modes in an elastic plate
waveguide is described The approach is a combination of the finite-element and the …

Gigabit/s optical receiver sensitivity and zero-dispersion single-mode fiber transmission at 1.55 µm

J Yamada, A Kawana, T Miya, H Nagai… - IEEE Journal of …, 1982 - ieeexplore.ieee.org
High-speed pulse response and receiver sensitivity at 1.55 μm were measured at data rates
ranging from 400 Mbits/s to 2 Gbits/s, in order to elucidate characteristics of a reach-through …

1.55 μm optical transmission experiments at 2 Gbit/s using 51.5 km dispersion-free fibre

J Yamada, A Kawana, H Nagai, T Kimura, T Miya - Electronics Letters, 1982 - IET
The high sensitivity of a Ge APD optical receiver, and dispersion-free fibres at a minimum
loss wavelength of 1.55 μm, made it possible to achieve 51.5 km optical signal transmission …

Modulated single-longitudinal mode semiconductor laser and fiber transmission characteristics at 1.55 µm

J Yamada, S Kobayashi, H Nagai… - IEEE Journal of …, 1981 - ieeexplore.ieee.org
A laser light injection technique was studied to realize a semiconductor laser transmitter
oscillating in a 1.55 μm single-longitudinal mode. When-15 dBm optical power was injected …

Characteristics of dispersion free single-mode fiber in the 1.5 µm wavelength region

N Imoto, A Kawana, S Machida… - IEEE Journal of …, 1980 - ieeexplore.ieee.org
Characteristics of dispersion free single-mode fibers in the wavelength regions 1.5 and 1.3
μm are compared experimentally and theoretically. We consider the influence of the …