H01S 3/094073
Non-polarized pump
Official title: {Non-polarized pump, e.g. depolarizing the pump light for Raman lasers}
H01S3/094073 (Non-polarized pump) appears on 43 US grants and 43 published applications in this corpus.
Search patents in H01S- Granted patents
- 43
- Published applications
- 43
- Assignees
- 28
- Inventors
- 97
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 7 |
| 2003 | 5 | 3 |
| 2004 | 5 | 6 |
| 2005 | 3 | 4 |
| 2006 | 3 | 2 |
| 2007 | 4 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Excitation device for optical amplifier24 Mar 2026US 12,586,975 B2NTT, Inc.
- Self-isolated nanoscale laser10 Feb 2026US 12,548,964 B2The Board of Trustees of the Leland Stanford Junior University
- Pump isolation by polarization splitting22 Feb 2022US 11,258,230 B2Lumentum Operations LLC
- All solid-state laser light source device11 May 2021US 11,005,229 B2Han's Laser Technology Industry Group Co., Ltd.
- Operating a laser diode in an optical network12 Sep 2017US 9,762,019 B2Xieon Networks S.a.r.l.
- Pump light generation apparatus, optical amplifier and pump light generation method2 Apr 2026US 2026/0095012 A1NTT, Inc.
- Laser element and electronic device23 Oct 2025US 2025/0329990 A1Sony Group Corporation
- Pump light generation apparatus, optical amplifier and pump light generation method15 May 2025US 2025/0158345 A1Nippon Telegraph and Telephone Corporation
- Excitation device for optical amplifier1 Feb 2024US 2024/0039233 A1Nippon Telegraph and Telephone Corporation
- Self-isolated nanoscale laser21 Sep 2023US 2023/0299551 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Optical communication system using multiple-order Raman amplifiers127US 6,163,636 ALucent Technologies Inc. · 2000
- Raman-based utility optical amplifier69US 6,433,920 B1JDS Uniphase Corporation · 2002
- Multiwavelength pumps for raman amplifier systems53US 6,433,921 B1Onetta, Inc. · 2002
- Raman amplification using a microstructured fiber32US 7,116,469 B2PIRELLI & C. S. p.A · 2006
- Diode pumped, fiber coupled laser with depolarized pump beam23US 5,608,742 ASpectra-Physics Lasers, Inc. · 1997