G02F 2203/25
Frequency chirping of an optical modulator
Official title: Frequency chirping of an optical modulator; Arrangements or methods for the pre-set or tuning thereof
G02F2203/25 (Frequency chirping of an optical modulator) appears on 79 US grants and 50 published applications in this corpus.
Search patents in G02F- Granted patents
- 79
- Published applications
- 50
- Assignees
- 54
- Inventors
- 159
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 3 |
| 2003 | 6 | 5 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 4 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 3 |
| 2012 | 0 | 1 |
| 2013 | 5 | 2 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Controlled chirp in optical devices24 Jun 2025US 12,339,563 B1HyperLight Corporation
- Pulse configurable fiber laser unit14 Nov 2023US 11,817,670 B2Ipg Photonics Corporation
- RF chirp reduction in MZ modulator17 Jan 2023US 11,556,042 B2Lumentum Technology UK Limited
- Bragg grating-based display filtering25 May 2021US 11,016,336 B2Microsoft Technology Licensing, LLC
- Optical feedback-based repetitive frequency adjustable optical frequency comb26 Jan 2021US 10,901,247 B2South China University of Technology
- Controlled chirp in optical devices11 Sep 2025US 2025/0284173 A1HyperLight Corporation
- Controlled chirp in optical devices12 Jun 2025US 2025/0189862 A1HyperLight Corporation
- Chirp modulation simulated raman scattering microscopy30 Jan 2025US 2025/0035487 A1National Research Council of Canada
- Chirped optical modulator9 Nov 2023US 2023/0358953 A1Marvell Asia Pte Ltd
- Rf chirp reduction in mz modulator22 Sep 2022US 2022/0299835 A1Lumentum Technology UK Limited
Most cited
By later US patents
- Optical intensity and phase modulators in an optical transmitter apparatus88US 5,515,196 AHitachi, Ltd. · 1996
- Tunable chirp, lightwave modulator for dispersion compensation80US 5,303,079 AAT&T Bell Laboratories · 1994
- Chirp control of a Mach-Zehnder optical modulator using non-equal power splitting49US 5,524,076 ANorthern Telecom Limited · 1996
- Optical modulator for producing a controllable chirp47US 5,408,544 AFujitsu Limited · 1995
- Control unit for optical modulators producing multiplexed optical output signal42US 5,805,321 AFujitsu Limited · 1998