Inventor
RAPP LUTZ
DE41 patents
⚠️ This page may combine multiple inventors who share the name “RAPP LUTZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XIEON NETWORKS SARL
14 patentsUS9712242B2Jul 18, 2017
Optical network and optical network element
XIEON NETWORKS SARL8 citations84
US10560189B2Feb 11, 2020
Optical network and optical network element
XIEON NETWORKS SARL2 citations73
US9841348B2Dec 12, 2017
Fiber integrity monitoring
XIEON NETWORKS SARL4 citations73
US11287352B2Mar 29, 2022
OTDR with increased precision and reduced dead zone using superposition of pulses with varying clock signal delay
XIEON NETWORKS SARL2 citations64
US11581945B2Feb 14, 2023
Compensation of signal distoration induced by a periodic optical copropagating optical signal
XIEON NETWORKS SARL0 citations62
US11581948B2Feb 14, 2023
Adaptive constellation diagram reducing the impact of phase distortions
XIEON NETWORKS SARL0 citations52
US10177522B2Jan 8, 2019
Pump power modulation in a feed-forward control for suppressing power transients
XIEON NETWORKS SARL0 citations52
US11558113B2Jan 17, 2023
Automatic measurement of the noise performance of a transponder
XIEON NETWORKS SARL0 citations50
US11088775B2Aug 10, 2021
Subcarrier diversity in optical communication systems
XIEON NETWORKS SARL0 citations50
US9762019B2Sep 12, 2017
Operating a laser diode in an optical network
XIEON NETWORKS SARL0 citations50
US11201676B2Dec 14, 2021
Codirectional ROPA supplied with power via a separate fiber transmitting data in opposite direction
XIEON NETWORKS SARL0 citations47
US11476938B2Oct 18, 2022
Bidirectional and configurable directional Raman pumping apparatus
XIEON NETWORKS SARL0 citations41
US10775318B2Sep 15, 2020
System and method for detecting a level of dirtiness of a filter mat of an airflow cooling system for telecommunications equipment
XIEON NETWORKS SARL0 citations41
US10142026B2Nov 27, 2018
Raman pumping arrangement with improved OSC sensitivity
XIEON NETWORKS SARL0 citations41
SIEMENS AG
10 patentsUS6728027B2Apr 27, 2004
Bidirectional optical amplifier
SIEMENS AG13 citations84
US7379234B2May 27, 2008
Quality monitoring of an optical fiber amplifier
SIEMENS AG7 citations74
US6583923B1Jun 24, 2003
Optical fiber amplifier
SIEMENS AG10 citations74
US7596320B2Sep 29, 2009
Preemphasis of an optical wavelength multiplex signal
SIEMENS AG4 citations63
US7088496B2Aug 8, 2006
Method for controlling a pump unit while optically amplifying a transmitted wavelength multiplex (WDM) signal
SIEMENS AG4 citations63
US6798565B2Sep 28, 2004
Method and arrangement for compensating for cross phase modulation
SIEMENS AG5 citations63
US7295782B2Nov 13, 2007
Control method and optical data transmission path for compensating changes in SRS-induced power exchange
SIEMENS AG4 citations58
US7453627B2Nov 18, 2008
Method for controlling the pump power of an optical amplifier
SIEMENS AG1 citations52
US7177074B2Feb 13, 2007
Circuit and method for safety shutdown of an optical amplifier
SIEMENS AG1 citations52
US7197210B2Mar 27, 2007
Method and device for determining and compensating for the tilting of the spectrum in an optical fiber of a data transmission path
SIEMENS AG1 citations51
RAPP LUTZ
8 patentsUS8189258B2May 29, 2012
Optical amplifier configuration
RAPP LUTZ7 citations79
US8908265B2Dec 9, 2014
Optical fiber amplifier comprising an embedded filter and a control method with improved feedforward control performance
RAPP LUTZ2 citations62
US8089690B2Jan 3, 2012
Multistage fiber amplifier and method for adapting a pump power of a multistage fiber amplifier
RAPP LUTZ4 citations62
US8493652B2Jul 23, 2013
Method for controlling an erbium doped fiber amplifier (EDFA) and amplifier arrangement
RAPP LUTZ2 citations57
US9054495B2Jun 9, 2015
Optical fiber amplifier with improved performance
RAPP LUTZ0 citations51
US8817366B2Aug 26, 2014
Optical fiber amplifier with improved transient performance
RAPP LUTZ0 citations51
US9544055B2Jan 10, 2017
Optical network element
RAPP LUTZ1 citations49
US8824891B2Sep 2, 2014
Method and apparatus for preventing signal interference in a passive optical network
RAPP LUTZ0 citations47
NOKIA SIEMENS NETWORKS GMBH
4 patentsUS7535632B2May 19, 2009
Compensation of gain variations in a multistage optical amplifier
NOKIA SIEMENS NETWORKS GMBH5 citations63
US7627248B2Dec 1, 2009
Method for pre-emphasis of optical signals in a transmission system comprising add-drop-modules
NOKIA SIEMENS NETWORKS GMBH5 citations59
US7460784B2Dec 2, 2008
Method for preemphasising an optical multiplex signal
NOKIA SIEMENS NETWORKS GMBH2 citations48
US7817921B2Oct 19, 2010
Determination of the amplified spontaneous emission in an optical fibre amplifier
NOKIA SIEMENS NETWORKS GMBH0 citations38