G02F 2203/20
Intrinsic phase difference, i.e. optical bias, of an optical modulator
Official title: Intrinsic phase difference, i.e. optical bias, of an optical modulator; Methods for the pre-set thereof
G02F2203/20 (Intrinsic phase difference, i.e. optical bias, of an optical modulator) appears on 94 US grants and 74 published applications in this corpus.
Search patents in G02F- Granted patents
- 94
- Published applications
- 74
- Assignees
- 51
- Inventors
- 199
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
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| 1981 | 2 | 0 |
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| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 3 | 3 |
| 2007 | 2 | 0 |
| 2008 | 5 | 6 |
| 2009 | 2 | 3 |
| 2010 | 5 | 12 |
| 2011 | 7 | 7 |
| 2012 | 4 | 2 |
| 2013 | 8 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 8 |
| 2020 | 4 | 4 |
| 2021 | 7 | 4 |
| 2022 | 4 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Cascadable photonic circuits with nonlinear amplitude thresholders28 Oct 2025US 12,455,491 B2Milkshake Technology Inc.
- Method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus3 Jun 2025US 12,321,076 B2Sumitomo Electric Industries, Ltd.
- Optical phase shifter device16 Apr 2024US 11,960,192 B2Analog Photonics LLC
- Optical device7 Nov 2023US 11,809,058 B2Analog Photonics LLC
- Quantum dots, a composition or composite including the same, and an electronic device including the same10 Oct 2023US 11,781,063 B2Samsung Electronics Co., Ltd.
- Phase and amplitude tuning in a silicon photonics circuit13 Nov 2025US 2025/0347934 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Phase and amplitude tuning in a silicon photonics circuit13 Nov 2025US 2025/0347935 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Passive interference reduction in pockels cells14 Aug 2025US 2025/0258397 A1II-Vi Delaware, Inc.
- Cascadable photonic circuits with nonlinear amplitude thresholders13 Feb 2025US 2025/0053065 A1Milkshake Technology Inc.
- Photonic chip provided with one or two mach-zehnder modulators7 Nov 2024US 2024/0369896 A1Scintil Photonics
Most cited
By later US patents
- Optical transmitter85US 5,170,274 AFujitsu Limited · 1992
- Optical modulator for an optical transmitter84US 5,359,449 AFujitsu Limited · 1994
- In-service skew monitoring in a nested Mach-Zehnder modulator structure using pilot signals and balanced phase detection60US 9,705,592 B1Infinera Corporation · 2017
- Optical waveguide device with an adiabatically-varying width52US 7,941,014 B1Sandia Corporation · 2011
- Mach-Zehnder integrated optical modulator51US 4,709,978 ABell Communications Research, Inc. · 1987