Inventor
BOWNASS DAVID C
CA23 patents
⚠️ This page may combine multiple inventors who share the name “BOWNASS DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIENA CORP
22 patentsUS9276696B2Mar 1, 2016
Systems and methods for channel additions over multiple cascaded optical nodes
CIENA CORP40 citations94
US10547404B1Jan 28, 2020
Automatic optical link calibration with channel holders
CIENA CORP22 citations93
US10361957B1Jul 23, 2019
Predicting optical spectral profiles in advance of capacity changes in optical networks
CIENA CORP26 citations93
US9806803B2Oct 31, 2017
Frequency offset detection and correction in optical spectrum measurement systems
CIENA CORP39 citations93
US9419708B2Aug 16, 2016
Live monitoring of raman and fiber degradation in DWDM networks using in-service OTDR
CIENA CORP38 citations93
US9973295B2May 15, 2018
Systems and methods for channel additions over multiple cascaded optical nodes
CIENA CORP31 citations92
US9577763B2Feb 21, 2017
Spectrum controller systems and methods in optical networks
CIENA CORP47 citations91
US10680737B1Jun 9, 2020
Bundling capacity changes in channel holder based optical links
CIENA CORP14 citations86
US10826601B2Nov 3, 2020
Optical switch with path continuity monitoring for optical protection switching
CIENA CORP12 citations85
US11108489B1Aug 31, 2021
Reducing connection validation (CV) time in an optical node
CIENA CORP5 citations84
US10868614B2Dec 15, 2020
Optical power replacement for faulted spectrum in channel holder based optical links
CIENA CORP8 citations84
US10686543B1Jun 16, 2020
Time and margin constrained routing, spectrum, and restoration speed assignment in optical networks
CIENA CORP18 citations84
US9774392B2Sep 26, 2017
Systems and methods using a polarimeter to localize state of polarization transients on optical fibers
CIENA CORP15 citations80
US11777634B2Oct 3, 2023
Bundling capacity changes in channel holder based optical links
CIENA CORP4 citations75
US11223423B1Jan 11, 2022
Re-calibrating an in-service optical multiplex section (OMS)
CIENA CORP6 citations75
US10965373B1Mar 30, 2021
Handling band spectrum failures in a C+L band photonic line system
CIENA CORP4 citations73
US11456814B2Sep 27, 2022
Automatic optical link calibration with channel holders
CIENA CORP2 citations72
US12160306B2Dec 3, 2024
Automatic optical link calibration of amplified optical links
CIENA CORP0 citations62
US11990934B2May 21, 2024
Handling band spectrum failures in a C+L band photonic line system
CIENA CORP0 citations62
US11962401B2Apr 16, 2024
Reducing connection validation (CV) time in an optical node
CIENA CORP0 citations62
US11652545B2May 16, 2023
Avoiding fiber damage on non-supervisory optical fiber links
CIENA CORP1 citations58
US12587300B2Mar 24, 2026
Bundling capacity changes in channel holder based optical links
CIENA CORP0 citations52