Inventor
ROBINSON ALAN
US34 patents
⚠️ This page may combine multiple inventors who share the name “ROBINSON ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
19 patentsUS7558479B1Jul 7, 2009
Analysis and control of optical communications systems
NORTEL NETWORKS LTD87 citations98
US6313932B1Nov 6, 2001
Multiplexed transmission of optical signals
NORTEL NETWORKS LTD44 citations94
US6411417B1Jun 25, 2002
Optical equalizer
NORTEL NETWORKS LTD55 citations93
US7209670B2Apr 24, 2007
Polarization diversity receiver for optical transmission system
NORTEL NETWORKS LTD32 citations92
US6959149B2Oct 25, 2005
Power balancing in DWDM optical networks
NORTEL NETWORKS LTD30 citations91
US6768822B1Jul 27, 2004
Chromatic dispersion compensation
NORTEL NETWORKS LTD20 citations91
US6522436B2Feb 18, 2003
Multiplexed transmission of optical signals
NORTEL NETWORKS LTD31 citations91
US6490389B1Dec 3, 2002
Fibre fuse protection
NORTEL NETWORKS LTD21 citations91
US6381385B1Apr 30, 2002
Polarization mode dispersion emulation
NORTEL NETWORKS LTD32 citations91
US6643429B2Nov 4, 2003
Dispersion compensation apparatus and method utilising sampled Bragg gratings
NORTEL NETWORKS LTD29 citations90
US6483620B1Nov 19, 2002
Polarization mode dispersion measurement
NORTEL NETWORKS LTD28 citations90
US6459533B1Oct 1, 2002
Tuneable optical filters
NORTEL NETWORKS LTD40 citations90
US7580630B2Aug 25, 2009
Spectral shaping for optical OFDM transmission
NORTEL NETWORKS LTD42 citations89
US7389055B1Jun 17, 2008
DQPSK receiver phase control
NORTEL NETWORKS LTD44 citations88
US6275331B1Aug 14, 2001
Optical amplifiers
NORTEL NETWORKS LTD20 citations87
US7136558B2Nov 14, 2006
Optical waveguide
NORTEL NETWORKS LTD18 citations84
US6526208B1Feb 25, 2003
Dispersion managed fiber optic cable and system
NORTEL NETWORKS LTD17 citations81
US6275328B1Aug 14, 2001
Amplifier control
NORTEL NETWORKS LTD12 citations74
US6847769B1Jan 25, 2005
Optical fiber amplifier
NORTEL NETWORKS LTD5 citations63
NORTHERN TELECOM LTD
4 patentsUS5949560ASep 7, 1999
Optical transmission system
NORTHERN TELECOM LTD115 citations96
US6124960ASep 26, 2000
Transmission system with cross-phase modulation compensation
NORTHERN TELECOM LTD73 citations94
US5717799AFeb 10, 1998
Optical waveguide filters
NORTHERN TELECOM LTD20 citations92
US5974206AOct 26, 1999
Dispersion compensation with low polarization mode dispersion
NORTHERN TELECOM LTD27 citations88