Patent application number | Description | Published |
20080267559 | Mode Converter - An in-fiber mode converter comprises fiber portions ( | 10-30-2008 |
20100014867 | Enegy Converter Device and use Thereof in Remote Powering and/or Remote Control of Remotely-Sited Active Optical Components in an Optica Telecommunication Network - A module for converting light energy into electric energy (MC | 01-21-2010 |
20100296813 | OPTICAL SIGNAL PROCESSING METHOD AND DEVICE AND ASSOCIATED CENTRAL EQUIPMENT AND ACCESS NETWORK - A method and apparatus are provided for processing a composite optical signal formed of a sequence of time sectors obtained by time-division multiplexing a plurality of optical signals transmitted on a plurality of transmission channels of a shared optical access network. The method includes: taking account of a schedule for transmission of the plurality of optical signals in the access network, the schedule associating with a time sector an optical signal of the sequence and a transmission channel of the plurality of transmission channels used by the optical signal; recovering a set of representative performance parameters of the transmission channel associated with the time sector; and adaptively correcting the time sector using the set of parameters. | 11-25-2010 |
20110008047 | DEVICE AND A METHOD FOR MANAGING THE TRANSMISSION POWER OF AN OPTICAL SOURCE ACCORDING TO THE LEVEL OF OPTICAL LOSSES OF AN OPTICAL LINK - A device and method are provided for transmitting an optical signal including at least two optical components to be transmitted respectively through at least two optical links that can be established respectively between the transmission device and at least two terminal devices. The transmission device and method associate, based on at least one parameter representative of the optical losses of the optical links, at least one of the optical components to at least one optical link selected from the optical links and to a transmission optical power. | 01-13-2011 |
20130058652 | OPTICAL LINE TERMINATION DEVICE ALLOWING THE IMPLEMENTATION OF AN OFDM MODULATION TECHNIQUE - A line termination device for an optical network able to receive at least one optical signal at least a part of which is polarized according to a particular axis of polarization, said device comprising: means for modifying the axis of polarization of the part of the optical signal, means for modulating the part of the optical signal of which the axis of polarization has been modified, comprising a modulator able to suppress the optical carrier of the optical signal, the modification means being devised so as to modify an axis of polarization of a part of the modulated optical signal. | 03-07-2013 |
20140219648 | Method for Protecting a PON From Photoreceiver Overload by an ONT - A method and device are provided for protecting a passive optical network including an optical-line terminal connected to a plurality of optical network terminals grouped set-wise. The method includes: obtaining a transmission schedule of the optical network terminals; comparing, by set, the schedule with the signals transmitted by the optical network terminals, and, if at least one optical network terminal of an assembly does not transmit in synchronization with the schedule, disconnecting the assembly. | 08-07-2014 |
20150236788 | REFLECTIVE LIGHT-EMITTING DEVICE FOR A WDM PON OPTICAL ACCESS NETWORK, THE DEVICE INCLUDING A LIGHT SOURCE WITH AN OPTICAL GAIN MEDIUM - A reflective light-emitting device is provided for a WDM PON optical access network. The device includes a light source with an optical gain medium. The light-emitting device includes a light source with an optical gain medium, of wavelength that is self-seeding during a go-and-return passage of light between the optical gain medium and an optical reflective component defining the laser cavity. The optical reflective component is made up of an optical amplifier associated reflective optical connection to a polarizing device so that the polarization axis of the reflected light is the same as the polarization axis of the emitted light. | 08-20-2015 |
20150244460 | Method and Device for Generating Electrical Signals Corresponding to a Wavelength, from Polychromatic Optical Signals - A method is provided for generating a plurality of electrical signals from polychromatic optical signals extracted from a set of optical fibers, a polychromatic signal including a plurality of predetermined wavelengths. An electrical signal is generated by using predetermined wavelengths. The method includes: grouping the extracted optical signals together into a polychromatic optical signal beam; separating the polychromatic signal beam into a plurality of monochromatic optical signal beams; and converting the plurality of separated monochromatic optical signal beams into the plurality of electrical signals. | 08-27-2015 |