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2024
|
Invention
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Joint fiber monitoring.
A method and an apparatus. An optical signal is received on an optical c... |
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2023
|
Invention
|
Method and apparatus for suppression of noise due to local oscillator instability in a coherent f... |
|
|
Invention
|
Distributed fiber optic sensing on optical fibers carrying traffic.
Various example embodiments ... |
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2022
|
Invention
|
Cable-coiling system.
An automated system for coiling a large (e.g., >1000 km) length of cable i... |
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2021
|
Invention
|
Supervision of an optical path including an amplifier. Various example embodiments for supporting... |
|
|
Invention
|
Monitoring equipment for cables. In certain embodiments, an assembly has intermediate pods magnet... |
|
|
Invention
|
Fibre-optic hydrophone with internal filter. A fibre-optic hydrophone comprising a substantially ... |
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2020
|
Invention
|
Method and apparatus for suppression of noise due to transmitted signal instability in a coherent... |
|
|
Invention
|
Symmetrical supervisory optical circuit for a bidirectional optical repeater. A bidirectional opt... |
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2019
|
Invention
|
Monitoring equipment for an optical transport system. A landing station whose monitoring equipmen... |
|
|
Invention
|
Communication system employing self-tuning optical transceivers. An optical transceiver capable o... |
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2018
|
Invention
|
Supervisory signal paths for an optical transport system. A bidirectional optical repeater having... |
|
|
Invention
|
Use of band-pass filters in supervisory signal paths of an optical transport system. A bidirectio... |
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2017
|
P/S
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Telecommunication apparatus, namely, submarine line terminal equipment (SLTE), optical add-drop m... |
|
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P/S
|
Telecommunication apparatus, namely, submarine line terminal equipment (SLTE), synchronous digita... |
|
|
P/S
|
Telecommunication apparatus and software; data processing
equipment and software; transmitters, ... |
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2016
|
P/S
|
Telecommunication apparatus, namely, submarine line terminal equipment (SLTE) for optical transmi... |
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2009
|
P/S
|
Optical sensors and cables; optical-seismical sensors and
cables; seismical and geophysical appa... |
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1997
|
Invention
|
Method of imparting surplus length to optical fibers in a protective metal tube and a line for im... |
|
|
Invention
|
Optical system for transmitting data in soliton format. A system for transmitting signals in the ... |
|
|
Invention
|
Optical fiber including a fluorescent dopant. The present invention relates to an optical fiber c... |
|
|
Invention
|
Receiver for optical digital transmission system. A receiver for digital optical signals, in part... |
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Invention
|
Terminal for a bidirectional synchronous digital hierarchy link with automatic protection switchi... |
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|
Invention
|
Optical communication system using optical amplifiers with gain dependent on input signal polariz... |
|
|
Invention
|
Circuit having two optical amplifiers, in particular for a repeater in an undersea telecommunicat... |
|
|
Invention
|
Optical transmission method and system using solitons. In an optical transmission method solitons... |
|
|
Invention
|
Optical signal transmission installation including a repeater monitoring system. A system is disc... |
|
|
Invention
|
Synchronous modulation method and apparatus for in-line regeneration of a wdm soliton signal, and... |
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1996
|
Invention
|
Adjustable optical amplitude and phase modulator, and a soliton regenerator including such a modu... |
|
|
Invention
|
Optical fibre with a fluorescent dopant. An optical fibre including a silica-based optical core (... |
|
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Invention
|
Amplitude modulation circuit having an electro-absorption modulator. The invention provides a cir... |
