Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201678 | System for achieving multiple bits per symbol in optical communications systems by combining spatial domain multiplexing and pulse amplitude modulation | Greg Lovell, Bilas Chowdhury, Ce Su, Han Wang, Rayan Enaya +1 more | 2021-12-14 |
| 10998980 | System for achieving multiple bits per symbol in optical communications systems by combining spatial domain multiplexing and pulse amplitude modulation | Greg Lovell, Bilas Chowdhury, Ce Su, Han Wang, Rayan Enaya +1 more | 2021-05-04 |
| 9712239 | Method and apparatus for multiplexed optical communication system using spatial domain multiplexing (SDM) and orbital angular momentum of photon (OAM) multiplexing with wavelength division multiplexing (WDM) | Saud Alanzi, Bilas Chowdhury | 2017-07-18 |
| 9529147 | All-optical spatial domain multiplexing de-multiplexer | Gregory LOVELL | 2016-12-27 |
| 9515729 | Omnidirectional free space optical communications receiver | Michael F. Finch | 2016-12-06 |
| 8396371 | Orbital angular momentum in spatially multiplexed optical fiber communications | Azhar M. Khayrattee | 2013-03-12 |
| 8278728 | Array of concentric CMOS photodiodes for detection and de-multiplexing of spatially modulated optical channels | — | 2012-10-02 |
| 7639909 | Method and apparatus for spatial domain multiplexing in optical fiber communications | Barry G. Grossman, Puntada Narakorn | 2009-12-29 |
| 7174067 | Method and apparatus for spatial domain multiplexing in optical fiber communications | Barry G. Grossman, Puntada Narakorn | 2007-02-06 |
| 6886365 | Fiber optic Fabry-Perot interferometer and associated methods | Raymond C. Rumpf | 2005-05-03 |
| 6801678 | Fiber optic level detector | — | 2004-10-05 |