Inventor
EPWORTH RICHARD
GB12 patents
⚠️ This page may combine multiple inventors who share the name “EPWORTH RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
11 patentsUS7209670B2Apr 24, 2007
Polarization diversity receiver for optical transmission system
NORTEL NETWORKS LTD32 citations92
US6626589B1Sep 30, 2003
Optical packet switching
NORTEL NETWORKS LTD23 citations92
US6381385B1Apr 30, 2002
Polarization mode dispersion emulation
NORTEL NETWORKS LTD32 citations91
US6381388B1Apr 30, 2002
Chromatic dispersion compensation
NORTEL NETWORKS LTD52 citations91
US7580630B2Aug 25, 2009
Spectral shaping for optical OFDM transmission
NORTEL NETWORKS LTD42 citations89
US7085501B1Aug 1, 2006
Coherent optical receiver
NORTEL NETWORKS LTD28 citations87
US6519390B2Feb 11, 2003
Chirped Bragg grating reflectors and adjustable dispersion apparatus incorporating such gratings
NORTEL NETWORKS LTD13 citations82
US6526208B1Feb 25, 2003
Dispersion managed fiber optic cable and system
NORTEL NETWORKS LTD17 citations81
US7272327B2Sep 18, 2007
Multi-detector detection of optical signals
NORTEL NETWORKS LTD16 citations80
US7315584B1Jan 1, 2008
Coherent receiver
NORTEL NETWORKS LTD15 citations79
US6859586B2Feb 22, 2005
3 Fibre I and Q coupler
NORTEL NETWORKS LTD6 citations60