G02F 1/01775
Involving an inter-subband transition in one well
Official title: {involving an inter-subband transition in one well, e.g. e1->e2}
G02F1/01775 (Involving an inter-subband transition in one well) appears on 14 US grants and 11 published applications in this corpus.
Search patents in G02F- Granted patents
- 14
- Published applications
- 11
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Suppression of phototransistor gain in an optical modulator2 Apr 2024US 11,949,036 B2Ciena Corporation
- Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions15 Aug 2017US 9,733,545 B2Board of Regents, The University of Texas System
- Optical gate switch7 Apr 2015US 9,002,146 B2National Institute of Advanced Industrial Science and Technology
- Optical digital to analog converter22 Feb 2011US 7,893,854 B2Raytheon Company
- Optical digital to analog converter21 Jul 2009US 7,564,390 B2Raytheon Company
- Suppression of phototransistor gain in an optical modulator19 Jun 2025US 2025/0199344 A1Ciena Corporation
- Method for Enhancing/Modifying Fluid Dynamics, Reaction Rates (Including Biological reaction rates), Combustion, Acoustics, Optics and Electronics, with Passive and Real-time modification of these properties.23 May 2024US 2024/0170175 A1
- Suppression of phototransistor gain in an optical modulator12 Oct 2023US 2023/0327042 A1Ciena Corporation
- Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions6 Apr 2017US 2017/0097558 A1Board of Regents, The University of Texas System
- Optical gate switch26 Dec 2013US 2013/0343694 A1National Institute of Advanced Industrial Science and Technology
Most cited
By later US patents
- Quantum well optical device32US 5,187,715 AThomson-CSF · 1993
- Electromagnetic wave modulator with quantum well structure15US 5,432,634 AThomson-CSF · 1995
- Article comprising means for modulating the optical transparency of a semiconductor body, and method of operating the article12US 5,300,789 AAT&T Bell Laboratories · 1994
- Quantum well infrared filter10US 5,543,628 AHughes Aircraft Company · 1996
- Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions10US 9,733,545 B2Board of Regents, The University of Texas System · 2017