Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640938 | Optical amplifier and related method | Aldo Righetti, Giorgio Grasso | 2017-05-02 |
| 9124362 | Optical amplification stage for OTDR monitoring and related method and system for OTDR monitoring of an optical communication link | Giorgio Grasso, Andrea Melloni, Aldo Righetti | 2015-09-01 |
| 7809268 | Integrated optical service channel and quantum key distribution channel | Gabriele Maria Galimberti | 2010-10-05 |
| 7706643 | Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs | Valerio Viscardi | 2010-04-27 |
| 7692850 | Lumped-Raman amplification structure for very wideband applications | Rosanna Pastorelli, Roberta Castagnetti | 2010-04-06 |
| 7542634 | Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs | Valerio Viscardi | 2009-06-02 |
| 7512336 | Optical failure detection using polarization | Valerio Viscardi | 2009-03-31 |
| 7359634 | Light color recognition for optical connection verification | — | 2008-04-15 |
| 7181095 | Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs | Valerio Viscardi | 2007-02-20 |
| 7054059 | Lumped Raman amplification structure for very wideband applications | Rosanna Pastorelli, Roberta Castagnetti | 2006-05-30 |
| 7035545 | Bidirectional multichannel optical telecommunication system | Marcos Antonio Brandão Sanches | 2006-04-25 |
| 7006281 | Shared variable gain amplifier for WDM channel equalization | Roberta Castagnetti, Giorgio Grasso | 2006-02-28 |
| 6961522 | Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system | Roberta Castagnetti, Fabrizio Di Pasquale, Giorgio Grasso, Giovanni Sacchi | 2005-11-01 |
| 6697193 | Shared variable gain amplifier for WDM channel equalization | Roberta Castagnetti, Giorgio Grasso | 2004-02-24 |
| 6668139 | Bidirectional multichannel optical telecommunication system | Marcos Brandão Sanches | 2003-12-23 |
| 6657777 | Interleaved lumped raman amplifier structure based on highly nonlinear fibers for densely spaced WDM channels | Fabrizio Di Pasquale, Giovanni Sacchi | 2003-12-02 |
| 6646786 | Copropagating Raman pump unit to suppress four-wave mixing crosstalk between pump modes and WDM signals | Fabrizio Di Pasquale | 2003-11-11 |
| 6621626 | Modular optical amplifier structure for highly dense interleaved WDM systems | Fabrizio Di Pasquale, Giovanni Sacchi | 2003-09-16 |
| 6556346 | Optical amplifying unit and optical transmission system | Fabrizio Di Pasquale, Giovanni Sacchi, Silvia Turolla | 2003-04-29 |
| 6456406 | Transparent optical self-healing-ring communication network | Fulvio Arecco, Marcos Brandao Sanches | 2002-09-24 |
| 6437888 | Device for adding and dropping optical signals | Giorgio Grasso, Marcos Antonio Brandão Sanches, Mario Tamburello | 2002-08-20 |
| 6414769 | Bidirectional multichannel optical telecommunication system | Marcos Antonio Brandão Sanches | 2002-07-02 |
| 6332722 | Method for optically connecting optical components in an optoelectronic rig, and optoelectronic rig constructed according to this method | Gianfranco Mozzati | 2001-12-25 |
| 6295149 | System and method of telecommunication with wavelength division multiplexing comprising a demultiplexer | — | 2001-09-25 |
| 6288810 | Device for adding and dropping optical signals | Giorgio Grasso, Marcos Antonio Brandão Sanches, Mario Tamburello | 2001-09-11 |