G02B 6/1223
High refractive index type, i.e. high-contrast waveguides
Official title: {high refractive index type, i.e. high-contrast waveguides}
G02B6/1223 (High refractive index type, i.e. high-contrast waveguides) appears on 333 US grants and 424 published applications in this corpus.
Search patents in G02B- Granted patents
- 333
- Published applications
- 424
- Assignees
- 191
- Inventors
- 901
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 6 |
| 2004 | 4 | 7 |
| 2005 | 6 | 5 |
| 2006 | 5 | 7 |
| 2007 | 6 | 12 |
| 2008 | 10 | 11 |
| 2009 | 7 | 13 |
| 2010 | 11 | 10 |
| 2011 | 12 | 6 |
| 2012 | 5 | 4 |
| 2013 | 7 | 10 |
| 2014 | 10 | 10 |
| 2015 | 6 | 14 |
| 2016 | 15 | 25 |
| 2017 | 17 | 22 |
| 2018 | 13 | 28 |
| 2019 | 28 | 34 |
| 2020 | 32 | 23 |
| 2021 | 26 | 30 |
| 2022 | 19 | 25 |
| 2023 | 23 | 33 |
| 2024 | 28 | 34 |
| 2025 | 23 | 18 |
| 2026 | 16 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photonic silicon-insulator-silicon modulator and methods for forming the same1 Sep 2026US 12,724,196 B2Taiwan Semiconductor Manufacturing Company.Ltd
- On-chip structure for fiber array alignment by assisting edge coupler index-matching epoxy/oil filling18 Aug 2026US 12,710,590 B2Finisar Shanghai Incorporation
- Semiconductor package and method for forming the same18 Aug 2026US 12,713,965 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Optical waveguide device and method of making the same30 Jun 2026US 12,669,650 B2Shinko Electric Industries Co., Ltd.
- Silicon-based photonic quantum memory devices and methods for forming the same19 May 2026US 12,631,820 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Distributed bragg grating with ultralow index perturbation8 Oct 2026US 2026/0309915 A1University of Rochester
- Integrated optical device and method of forming the same24 Sep 2026US 2026/0287819 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Silicon-based photonic quantum memory devices and methods for forming the same10 Sep 2026US 2026/0267064 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Adiabatic mode conversion by a double-sided tapering structure of amorphous silicon20 Aug 2026US 2026/0243954 A1II-Vi Delaware, Inc.
- Waveguide mode converter20 Aug 2026US 2026/0243960 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Tuning the index of a waveguide structure143US 7,120,338 B2California Institute of Technology · 2006
- Slab laser and amplifier and method of use118US 9,525,262 B22016
- Integrated optical beam steering system74US 10,345,519 B1Microsoft Technology Licensing, LLC · 2019
- Two-stage adiabatically coupled photonic systems73US 9,405,066 B2Finisar Corporation · 2016
- Frequency conversion with nonlinear optical polymers and high index contrast waveguides54US 7,424,192 B2California Institute of Technology · 2008