Inventor
BEN-HAMIDA NAIM
CA61 patents
⚠️ This page may combine multiple inventors who share the name “BEN-HAMIDA NAIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIENA CORP
44 patentsUS10715155B1Jul 14, 2020
Apparatus and methods for digital phase locked loop with analog proportional control function
CIENA CORP16 citations94
US10063367B1Aug 28, 2018
Optical clock recovery using feedback phase rotator with non-linear compensation
CIENA CORP16 citations92
US10826514B1Nov 3, 2020
Noise-shaping enhanced gated ring oscillator based analog-to-digital converters
CIENA CORP13 citations85
US10727854B1Jul 28, 2020
Apparatus and methods for realization of N time interleaved digital-to-analog converters
CIENA CORP15 citations84
US10715169B1Jul 14, 2020
Coarse-fine gain-tracking loop and method of operating
CIENA CORP14 citations84
US10678112B2Jun 9, 2020
Fully differential traveling wave series push-pull mach-zehnder modulator
CIENA CORP7 citations84
US10320374B2Jun 11, 2019
Fine resolution high speed linear delay element
CIENA CORP9 citations84
US10985900B1Apr 20, 2021
Estimating clock phase error based on channel conditions
CIENA CORP8 citations83
US10979059B1Apr 13, 2021
Successive approximation register analog to digital converter based phase-locked loop with programmable range
CIENA CORP12 citations83
US10965300B1Mar 30, 2021
High bandwidth under-sampled successive approximation register analog to digital converter with nonlinearity minimization
CIENA CORP10 citations83
US10931292B1Feb 23, 2021
High resolution successive approximation register analog to digital converter with factoring and background clock calibration
CIENA CORP10 citations83
US10903841B1Jan 26, 2021
Apparatus and methods for high frequency clock generation
CIENA CORP14 citations83
US10749536B1Aug 18, 2020
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP5 citations83
US10516403B1Dec 24, 2019
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP10 citations83
US10425099B1Sep 24, 2019
Extremely-fine resolution sub-ranging current mode Digital-Analog-Converter using Sigma-Delta modulators
CIENA CORP17 citations83
US10187197B2Jan 22, 2019
Optical clock recovery using feedback phase rotator with non-linear compensation
CIENA CORP6 citations83
US10848164B1Nov 24, 2020
Apparatus and methods for digital fractional phase locked loop with a current mode low pass filter
CIENA CORP10 citations82
US10243671B1Mar 26, 2019
Clock recovery circuits, systems and implementation for increased optical channel density
CIENA CORP13 citations82
US10805064B1Oct 13, 2020
Built-in jitter loading and state of polarization generation to characterize optical transceivers
CIENA CORP7 citations81
US10330962B1Jun 25, 2019
Patterned accumulation mode capacitive phase shifter
CIENA CORP7 citations78
US11012081B2May 18, 2021
Apparatus and methods for digital phase locked loop with analog proportional control function
CIENA CORP2 citations73
US10680585B2Jun 9, 2020
Techniques and circuits for time-interleaved injection locked voltage controlled oscillators with jitter accumulation reset
CIENA CORP6 citations73
US11770126B2Sep 26, 2023
Noise-shaping enhanced gated ring oscillator based analog-to-digital converters
CIENA CORP2 citations72
US11463093B1Oct 4, 2022
Reducing non-linearities of a phase rotator
CIENA CORP2 citations72
US11196534B1Dec 7, 2021
Apparatus and methods for low power clock generation in multi-channel high speed devices
CIENA CORP2 citations72
US11171664B1Nov 9, 2021
Digitally enhanced digital-to-analog converter resolution
CIENA CORP3 citations72
US10938405B1Mar 2, 2021
Apparatus and methods for characterization of high frequency and high data rate signals
CIENA CORP6 citations72
US10855380B2Dec 1, 2020
Clock recovery circuits, systems and implementation for increased optical channel density
CIENA CORP5 citations71
US11483007B1Oct 25, 2022
Multiple clock domain alignment circuit
CIENA CORP3 citations70
US10281523B2May 7, 2019
Techniques and circuits for on-chip jitter and phase noise measurement in a digital test environment
CIENA CORP5 citations68
US12395177B2Aug 19, 2025
Reducing non-linearities of a phase rotator
CIENA CORP0 citations62
US12034448B2Jul 9, 2024
Reducing non-linearities of a phase rotator
CIENA CORP0 citations62
US11561570B2Jan 24, 2023
Apparatus and methods for low power frequency clock generation and distribution
CIENA CORP0 citations62
US11349486B1May 31, 2022
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP0 citations62
US11201723B1Dec 14, 2021
Highly linear phase rotators with continuous rotation
CIENA CORP1 citations62
US11171661B2Nov 9, 2021
Digital-to-analog converter and generation of high-bandwidth analog signals
CIENA CORP0 citations62
US12574047B2Mar 10, 2026
Apparatus and method for sigma-delta modulator quantization noise cancellation
CIENA CORP0 citations61
US12308854B2May 20, 2025
Digitally enhanced digital-to-analog converter resolution
CIENA CORP0 citations61
US12289391B2Apr 29, 2025
Low latency data handoff using phase rotation and clock gapping
CIENA CORP0 citations61
US12034460B2Jul 9, 2024
Apparatus and method for Sigma-Delta modulator quantization noise cancellation
CIENA CORP0 citations61
US11218155B2Jan 4, 2022
Apparatus and methods for digital fractional phase locked loop with a current mode low pass filter
CIENA CORP0 citations61
US11818242B2Nov 14, 2023
Built-in jitter loading and state of polarization generation to characterize optical transceivers
CIENA CORP0 citations60
US11502695B2Nov 15, 2022
High bandwidth under-sampled successive approximation register analog to digital converter with nonlinearity minimization
CIENA CORP0 citations60
US11245401B2Feb 8, 2022
Apparatus and methods for high frequency clock generation
CIENA CORP0 citations60
OVEIS GHARAN SHAHAB
2 patentsNORTEL NETWORKS LTD
1 patentPARVIZI MAHDI
1 patentPIKE JACOB
1 patentAOUINI SADOK
1 patentShowing the top 50 of 61 patents by PatentIndex Score.