G02F 2203/255
Negative chirp
G02F2203/255 (Negative chirp) appears on 15 US grants and 6 published applications in this corpus.
Search patents in G02F- Granted patents
- 15
- Published applications
- 6
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- RF chirp reduction in MZ modulator17 Jan 2023US 11,556,042 B2Lumentum Technology UK Limited
- Multi-wavelength source of femtosecond infrared pulses16 May 2017US 9,653,867 B2Coherent, Inc.
- Optical modulators with controllable chirp31 Dec 2013US 8,620,115 B2Cisco Technology, Inc.
- System and method for chirped pulse interferometry15 Jan 2013US 8,355,137 B2
- Optical fiber delivery system for delivering ultrashort optical pulses and optical system including the same23 Jun 2009US 7,551,809 B2Olympus Corporation
- Rf chirp reduction in mz modulator22 Sep 2022US 2022/0299835 A1Lumentum Technology UK Limited
- Multi-wavelength source of femtosecond infrared pulses6 Oct 2016US 2016/0294145 A1Coherent, Inc.
- Optical Modulators With Controllable Chirp15 Sep 2011US 2011/0222813 A1Lightwire, Inc.
- System and method for chriped pulse interferometry28 Oct 2010US 2010/0271635 A1
- Optical fiber delivery system for delivering ultrashort optical pulses and optical system including the same23 Oct 2008US 2008/0260319 A1Olympus Corporation
Most cited
By later US patents
- Chirp control of a Mach-Zehnder optical modulator using non-equal power splitting49US 5,524,076 ANorthern Telecom Limited · 1996
- Semiconductor device and method of using the same33US 6,437,361 B1Fujitsu Limited · 2002
- Semiconductor optical modulator25US 6,150,667 ANEC Corporation · 2000
- Semiconductor modulator with a .pi. shift24US 5,694,504 ANorthern Telecom Limited · 1997
- Optical fiber delivery system for delivering ultrashort optical pulses and optical system including the same22US 7,551,809 B2Olympus Corporation · 2009