G02F 1/0508
Specially adapted for gating or modulating in optical waveguides
Official title: {specially adapted for gating or modulating in optical waveguides}
G02F1/0508 (Specially adapted for gating or modulating in optical waveguides) appears on 21 US grants and 31 published applications in this corpus.
Search patents in G02F- Granted patents
- 21
- Published applications
- 31
- Assignees
- 23
- Inventors
- 90
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 5 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical device and optical system4 Nov 2025US 12,461,401 B2TDK Corporation
- Electro-optical device fabricated on a substrate10 Dec 2024US 12,164,184 B2Psiquantum, Corp.
- Optical signal processing device14 May 2024US 11,982,884 B2Nippon Telegraph and Telephone Corporation
- Device for THz generation and/or detection and methods for manufacturing the same15 Nov 2022US 11,499,915 B2ETH Zurich
- Optical modulator and optical transmission apparatus using same26 Oct 2021US 11,156,857 B2Sumitomo Osaka Cement Co., Ltd.
- Spatial phase modulation element, spatial phase modulator, and optical modulator1 Oct 2026US 2026/0299334 A1Nikon Corporation
- Structure for overcoming polarity reversal in dual-ferroelectric-crystal-paired electro-optic device and using method18 Jun 2026US 2026/0169320 A1Guilin Bairui Optoelectronics Technology Co., Ltd.
- Adjustable single-channel time-domain sampling filter, spectrometer, and detection method2 Apr 2026US 2026/0092812 A1Glitterintech (Xuzhou) Limited
- Single-Drive Differential Electrooptical Modulators4 Dec 2025US 2025/0370286 A1Cisco Technology, Inc.
- Pre-compensation of interference in pockels cells14 Aug 2025US 2025/0258398 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Electro-optically tunable external cavity mirror for a narrow linewidth semiconductor laser63US 6,041,071 ACoreTek, Inc. · 2000
- Optical deflecting device28US 5,802,223 AFuji Xerox Co., Ltd. · 1998
- High power fiber optic modulator system and method19US 6,766,070 B2The United States of America as represented by the Secretary of the Navy · 2004
- Polycrystalline ferroelectric fiber9US 4,921,328 AAlfred University · 1990
- Optical waveguide devices6US 7,382,942 B2NGK Insulators, Ltd. · 2008