H04B 10/616
Details of the electronic signal processing in coherent optical receivers
Official title: {Details of the electronic signal processing in coherent optical receivers}
H04B10/616 (Details of the electronic signal processing in coherent optical receivers) appears on 1,385 US grants and 1,491 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,385
- Published applications
- 1,491
- Assignees
- 272
- Inventors
- 1,841
- Latest grant
- 6 Oct 2026
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|---|---|---|
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| 2007 | 1 | 6 |
| 2008 | 9 | 6 |
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| 2023 | 91 | 92 |
| 2024 | 83 | 76 |
| 2025 | 61 | 92 |
| 2026 | 54 | 53 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 10/6165Estimation of the phase of the received optical signal, phase error estimation418
- H04B 10/6161Compensation of chromatic dispersion267
- H04B 10/6162Compensation of polarization related effects250
- H04B 10/6164Estimation or correction of the frequency offset between the received optical signal202
- H04B 10/6166Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components151
- H04B 10/6163Compensation of non-linear effects in the fiber optic link121
Recent patents
- Chromatic dispersion estimation method for coherent optical network6 Oct 2026US 12,756,467 B1Cable Television Laboratories, Inc.
- Method and system for blind learning of volterra equalizer parameters6 Oct 2026US 12,756,478 B2Ciena Corporation
- Joint classical and quantum optical communications22 Sep 2026US 12,744,603 B2Institut Mines-Telecom
- Frequency deviation compensation scheme and frequency deviation compensation method15 Sep 2026US 12,739,036 B2NEC Corporation
- Digital signal processing circuit, method, receiver, and communication system8 Sep 2026US 12,732,282 B2NEC Corporation
- System and Method For Coherent Receivers With PCSELS Emitting In Two Directions8 Oct 2026US 2026/0312692 A1II-Vi Delaware, Inc.
- Method and system for adjusting overlap ratio between fast fourier transform (fft) blocks8 Oct 2026US 2026/0312856 A1Ciena Corporation
- Signal estimation apparatus, signal estimation method, and non-transitory recording medium1 Oct 2026US 2026/0303223 A1NEC Corporation
- System and Method for Orbital Angular Momentum (OAM) Encoding with Phase Transformation Surfaces24 Sep 2026US 2026/0291619 A1II-Vi Delaware, Inc.
- Method and system for controlling output signals of a first dynamic system and a second dynamic system17 Sep 2026US 2026/0280568 A1Nederlandse Organisatie voor toegepastnatuurwetenschappelijk Onderzoek TNO
Most cited
By later US patents
- Low conversion rate digital dispersion compensation90US 7,701,842 B2Nortel Networks Limited · 2010
- Signal acquisition in a coherent optical receiver71US 7,636,525 B1Nortel Networks Limited · 2009
- Carrier recovery in a coherent optical receiver68US 7,606,498 B1Nortel Networks Limited · 2009
- Wavelength division multiplexed optical communication system architectures65US 8,655,190 B2Infinera Corporation · 2014
- Location specific optical monitoring64US 7,376,358 B2Nortel Networks Limited · 2008