G02B 6/29343
Cascade of loop resonators
Official title: {Cascade of loop resonators}
G02B6/29343 (Cascade of loop resonators) appears on 261 US grants and 308 published applications in this corpus.
Search patents in G02B- Granted patents
- 261
- Published applications
- 308
- Assignees
- 161
- Inventors
- 609
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 5 |
| 2003 | 8 | 4 |
| 2004 | 1 | 10 |
| 2005 | 10 | 4 |
| 2006 | 7 | 17 |
| 2007 | 14 | 3 |
| 2008 | 7 | 5 |
| 2009 | 6 | 13 |
| 2010 | 5 | 10 |
| 2011 | 6 | 6 |
| 2012 | 7 | 7 |
| 2013 | 10 | 3 |
| 2014 | 10 | 9 |
| 2015 | 9 | 11 |
| 2016 | 7 | 12 |
| 2017 | 13 | 9 |
| 2018 | 13 | 10 |
| 2019 | 9 | 13 |
| 2020 | 14 | 15 |
| 2021 | 14 | 26 |
| 2022 | 18 | 16 |
| 2023 | 14 | 16 |
| 2024 | 12 | 25 |
| 2025 | 16 | 33 |
| 2026 | 11 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal-efficient ring-based coarse wavelength division multiplexing optical link25 Aug 2026US 12,719,576 B2NVIDIA Corporation
- Bidirectional microring resonator-based photonic link architecture18 Aug 2026US 12,710,595 B2NVIDIA Corporation
- Process variation-tolerant cascaded tapered optical ring resonators18 Aug 2026US 12,710,596 B2Xilinx, Inc.
- Microring resonator-based optical device with improved linearity18 Aug 2026US 12,711,367 B2Hewlett Packard Enterprise Development LP
- Optical communication system with a simplified remote optical power supply4 Aug 2026US 12,700,926 B2Ayar Labs, Inc.
- Split-Bus Polarization Interleaving Transmitter24 Sep 2026US 2026/0291617 A1Ayar Labs, Inc.
- Discrete-time light sources based on integrated photonics6 Aug 2026US 2026/0227568 A1President and Fellows of Harvard College
- Complex structure resonator, photonic integrated circuit including the complex structure resonator, and method of manufacturing the photonic integrated circuit30 Jul 2026US 2026/0219444 A1Samsung Electronics Co., Ltd.
- Optimized control bus for photonic resonator control30 Jul 2026US 2026/0222073 A1Hewlett Packard Enterprise Development LP
- Resonator system, tunable laser, and control method for resonator system16 Jul 2026US 2026/0204862 A1Silith Technology (Suzhou) Co., Ltd.
Most cited
By later US patents
- Optical phased arrays with evanescently-coupled antennas103US 8,988,754 B2Massachusetts Institute of Technology · 2015
- Light modulation in whispering-gallery-mode resonators98US 6,473,218 B1California Institute of Technology · 2002
- Localized thermal tuning of ring resonators81US 6,636,668 B1LNL Technologies, Inc. · 2003
- Integrated optic vector-matrix multiplier81US 8,027,587 B1Sandia Corporation · 2011
- All-pass optical filters79US 6,289,151 B1Lucent Technologies Inc. · 2001