G02F 1/3523
Non-linear absorption changing by light
Official title: {Non-linear absorption changing by light, e.g. bleaching}
G02F1/3523 (Non-linear absorption changing by light) appears on 182 US grants and 137 published applications in this corpus.
Search patents in G02F- Granted patents
- 182
- Published applications
- 137
- Assignees
- 135
- Inventors
- 459
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 7 |
| 2002 | 7 | 10 |
| 2003 | 11 | 7 |
| 2004 | 12 | 5 |
| 2005 | 6 | 14 |
| 2006 | 6 | 6 |
| 2007 | 5 | 9 |
| 2008 | 12 | 9 |
| 2009 | 5 | 11 |
| 2010 | 3 | 2 |
| 2011 | 6 | 5 |
| 2012 | 2 | 3 |
| 2013 | 3 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 5 |
| 2016 | 7 | 4 |
| 2017 | 1 | 4 |
| 2018 | 3 | 3 |
| 2019 | 4 | 4 |
| 2020 | 1 | 4 |
| 2021 | 5 | 4 |
| 2022 | 1 | 2 |
| 2023 | 4 | 3 |
| 2024 | 4 | 7 |
| 2025 | 2 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photonic devices and methods25 Aug 2026US 12,717,212 B2
- Methods and apparatus to generate macroscopic fock and other sub-poissonian states of radiation31 Mar 2026US 12,592,534 B2Massachusetts Institute of Technology
- Radiation source arrangement and metrology device27 Jan 2026US 12,535,743 B2
- Fiber structure, pulse laser device, supercontinuum light source, and production method for fiber structure15 Jul 2025US 12,362,532 B2Hamamatsu Photonics K.K.
- Molecular aggregate for optically-pumped nonreciprocal exciton devices6 May 2025US 12,292,668 B2Boise State University
- Nonlinear Bound States in the Continuum for Intensity Squeezing and Generation of Large Photonic Fock States11 Sep 2025US 2025/0284176 A1Massachusetts Institute of Technology
- Passively q-switched laser24 Jul 2025US 2025/0239828 A1TriEye Ltd.
- Passive q-switched lasers and methods for operation and manufacture thereof2 Jan 2025US 2025/0007239 A1TriEye Ltd.
- Methods And Apparatus To Generate Macroscopic Fock And Other Sub-Poissonian States Of Radiation5 Sep 2024US 2024/0297472 A1Massachusetts Institute of Tecnology
- Methods And Apparatus To Generate Macroscopic Fock And Other Sub-Poissonian States Of Radiation13 Jun 2024US 2024/0195140 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Optical switching and routing system193US 5,771,320 AWavefront Research, Inc. · 1998
- Broadband absorber having multiple quantum wells of different thicknesses103US 5,265,107 ABell Communications Research, Inc. · 1993
- Optical modulator103US 7,313,291 B2Modulight Corporation · 2007
- Bistable element99US 8,774,572 B2Kyushu University, National University Corporation · 2014
- Resonant fabry-perot semiconductor saturable absorbers and two photon absorption power limiters66US 6,252,892 B1Imra America, Inc. · 2001