G02F 1/0175
With a spatially varied well profile
Official title: {with a spatially varied well profile, e.g. graded or stepped quantum wells}
G02F1/0175 (With a spatially varied well profile) appears on 74 US grants and 64 published applications in this corpus.
Search patents in G02F- Granted patents
- 74
- Published applications
- 64
- Assignees
- 28
- Inventors
- 113
- Latest grant
- 10 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 5 |
| 2004 | 0 | 5 |
| 2005 | 2 | 26 |
| 2006 | 22 | 5 |
| 2007 | 7 | 9 |
| 2008 | 5 | 1 |
| 2009 | 7 | 4 |
| 2010 | 4 | 1 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical phase modulator with sinusoidal PN junction10 Sep 2019US 10,409,094 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Electroabsorption modulator for depth imaging and other applications9 Apr 2019US 10,254,407 B2Northwestern University
- Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments15 May 2018US 9,971,090 B2Infinera Corporation
- Optical device including three-coupled quantum well structure12 Dec 2017US 9,841,617 B2Gwangju Institute of Science and Technology
- Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions15 Aug 2017US 9,733,545 B2Board of Regents, The University of Texas System
- Optical phase modulator with sinusoidal pn junction17 Jan 2019US 2019/0018263 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions6 Apr 2017US 2017/0097558 A1Board of Regents, The University of Texas System
- Electroabsorption modulator for depth imaging and other applications8 Sep 2016US 2016/0259059 A1Northwestern University
- Optical device including three-coupled quantum well structure8 Oct 2015US 2015/0286078 A1Gwangju Institute of Science and Technology
- Optical device including three coupled quantum well structure10 Jul 2014US 2014/0191196 A1Gwangju Institute of Science and Technology
Most cited
By later US patents
- Transmitter photonic integrated circuit (TxPIC) chips78US 7,885,492 B2Infinera Corporation · 2011
- Tilted valance-band quantum well double heterostructures for single step active and passive optical waveguide device monolithic integration69US 5,953,479 AThe United States of America as represented by the Secretary of the Army · 1999
- Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs55US 7,283,694 B2Infinera Corporation · 2007
- Transmitter photonic integrated circuit (TxPIC) chip architectures and drive systems and wavelength stabilization for TxPICs54US 7,079,715 B2Infinera Corporation · 2006
- Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer48US 6,985,648 B2Infinera Corporation · 2006