G02F 1/0123
Circuits for the control or stabilisation of the bias voltage
Official title: {Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops}
G02F1/0123 (Circuits for the control or stabilisation of the bias voltage) appears on 550 US grants and 527 published applications in this corpus.
Search patents in G02F- Granted patents
- 550
- Published applications
- 527
- Assignees
- 276
- Inventors
- 1,117
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 12 |
| 2003 | 17 | 19 |
| 2004 | 15 | 14 |
| 2005 | 8 | 15 |
| 2006 | 17 | 11 |
| 2007 | 11 | 17 |
| 2008 | 17 | 21 |
| 2009 | 11 | 19 |
| 2010 | 22 | 9 |
| 2011 | 13 | 8 |
| 2012 | 17 | 14 |
| 2013 | 8 | 12 |
| 2014 | 14 | 20 |
| 2015 | 22 | 24 |
| 2016 | 22 | 26 |
| 2017 | 37 | 36 |
| 2018 | 26 | 37 |
| 2019 | 41 | 33 |
| 2020 | 25 | 28 |
| 2021 | 27 | 24 |
| 2022 | 18 | 16 |
| 2023 | 15 | 22 |
| 2024 | 24 | 27 |
| 2025 | 31 | 38 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-adjusted automatic bias control of an electro-absorption modulator15 Sep 2026US 12,736,838 B2ARRIS Enterprises LLC
- Optically bridged multicomponent package with extended temperature range4 Aug 2026US 12,699,240 B2Sicily Merger Sub II, Inc.
- Tunable cascaded Mach-Zehnder interferometer structures28 Jul 2026US 12,693,571 B2Intel Corporation
- Calibration method for phase modulator, calibration method for balanced photodetector, and calibration system for phase modulator14 Jul 2026US 12,681,337 B2National Institute of Information and Communicatons Technology
- Optically bridged multicomponent package with extended temperature range7 Jul 2026US 12,674,948 B2Sicily Merger Sub II, Inc.
- Electrical interconnects for packages containing photonic integrated circuits1 Oct 2026US 2026/0305479 A1Sicily Merger Sub II, Inc.
- Optical Modulator20 Aug 2026US 2026/0244038 A1NTT, Inc.
- Optical waveguide element, optical modulator, and optical transmitter20 Aug 2026US 2026/0244070 A1Sumitomo Osaka Cement Co., Ltd.
- Method and system for alignment and/or stabilization of an entangled photon source6 Aug 2026US 2026/0227235 A1Quantum Industries Limited
- Method and system for stabilization of a laser beam for an entangled photon source6 Aug 2026US 2026/0229835 A1Quantum Industries Limited
Most cited
By later US patents
- Opto-electronic oscillator having a positive feedback with an open loop gain greater than one153US 5,723,856 ACalifornia Institute of Technology · 1998
- Brillouin opto-electronic oscillators123US 5,917,179 ACalifornia Institute of Technology · 1999
- Method of and device for driving optical modulator, and optical communications system118US 5,917,637 AFujitsu Limited · 1999
- Multi-Loop opto-electronic microwave oscillator with a wide tuning range117US 5,777,778 ACalifornia Institute of Technology · 1998
- Optical transmitters linearized by means of parametric feedback100US 5,161,044 AHarmonic Lightwaves, Inc. · 1992