Inventor
FORBES DAVID V
US5 patents
Patents
5 patentsUS6649439B1Nov 18, 2003
Semiconductor-air gap grating fabrication using a sacrificial layer process
NORTHROP GRUMMAN CORP16 citations89
US6933583B2Aug 23, 2005
In-phase RF drive of Mach-Zehnder modulator push-pull electrodes by using coupled quantum well optical active region
NORTHROP GRUMMAN CORP7 citations71
US6944373B2Sep 13, 2005
High index-step grating fabrication using a regrowth-over-dielectric process
NORTHROP GRUMMAN CORP3 citations60
US6893891B2May 17, 2005
Process for fabricating a semiconductor diffraction grating using a sacrificial layer
NORTHROP GRUMMAN CORP4 citations60
US6608950B2Aug 19, 2003
Integrated optoelectronic device and method for making same
NORTHROP GRUMMAN CORP0 citations50