Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661549 | Method of and a device for polarization-independent optical demultiplexing | Riccardo Calvani, Raffaele Girardi, Emilio Riccardi | 2003-12-09 |
| 6323991 | Opto-electronic frequency divider circuit and method of operating same | Andrea De Marchi, Raffaele Girardi, Stefania Roemisch | 2001-11-27 |
| 6204956 | Opto-electronic frequency divider circuit and method of operating same | Andrea De Marchi, Raffaele Girardi, Stefania Roemisch | 2001-03-20 |
| 5548603 | Method for the generation of ultra-short optical pulses | Riccardo Calvani, Renato Caponi, Diego Roccato | 1996-08-20 |
| 4866266 | Method of measuring polarization and birefringence in single-mode optical fibers | Riccardo Calvani, Renato Caponi, Gianni Coppa | 1989-09-12 |
| 4832492 | Heterodyne michelson interferometer for polarization measurements | Riccardo Calvani, Renato Caponi | 1989-05-23 |
| 4817206 | Optical-fiber transmission system with polarization modulation and heterodyne coherent detection | Riccardo Calvani, Renato Caponi | 1989-03-28 |
| 4676597 | Imaging monochromator | — | 1987-06-30 |
| 4671657 | Method of and device for realtime measurement of the state of polarization of a quasi-monochromatic light beam | Riccardo Calvani, Renato Caponi | 1987-06-09 |