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Technical Seminar


Optical Interconnects for Commercial CMOS

DATE/TIME  Friday, September 2, 2005 (10:30am to 11:30am)
PLACE  Bldg. 1 WLL2/3 (Agilent Technologies, Fort Collins, CO)
DIRECTIONS
Non-Agilent Attendees:  Please arrive punctually at 10:15am as you will need to be escorted to the seminar room.  RSVP to susan_hunter@agilent.com to expedite sign-in and to help us with a headcount estimate for food/drinks.

From I-25, take Harmony Road Exit (Exit 265) westbound, and enter Agilent/HP campus on right.  Agilent/HP campus is on the NE corner of Harmony Road and Ziegler Road.  Proceed to Bldg. 1 Lobby to sign-in and meet host for escort to Auditorium.

COST    Free.  Donuts & drinks will be provided.

ABSTRACT

On-chip signaling limitations as well as direct optical network connections to integrated circuits motivate the integration of optoelectronics with silicon chips.  A Colorado State University - Agilent collaborative project has been investigating the implementation of optical waveguides and photodetectors in commercial CMOS for on-chip clock distribution. Leaky-mode coupled, metal-semiconductor-metal silicon photodiodes have been designed, fabricated in a 0.35 um CMOS process at Agilent, and are being characterized.  A waveguide based H-tree distribution system for the optical clock signal has also been fabricated on the same chip and evaluated.  This talk will present the concepts and report on the initial results from the first generation chip.  It will also address some general issues relating to silicon optoelectronics including the tradeoffs in hybrid vs. monolithic approaches, operating wavelengths and related materials implications, and the quest for silicon based light sources.

PRESENTATION SLIDES  pdf

PROF. KEVIN LEAR (Colorado State University, Fort Collins, CO)

Kevin Lear is the Rockwell Anderson Associate Professor of Electrical and Computer Engineering at Colorado State University. He received the BSEE degree from the University of Colorado, Boulder, CO, and the MSEE and PhDEE degrees from Stanford University, Stanford, CA, where he was an Office of Naval Research Fellow. Upon graduation in 1990, he joined Sandia National Laboratories in Albuquerque, NM, as Senior Member of Technical Staff. His research in vertical cavity surface emitting lasers at Sandia led to performance benchmarks for efficiency and speed, a number of related patents, and recognition with an IEEE LEOS Distinguished Lecturer Award.  He left Sandia in 1997 to pursue the commercialization of this technology as the Chief Scientific Officer for MicroOptical Devices (MODE), which was subsequently acquired by Emcore Corporation.  Most recently, he took a faculty position at Colorado State University in 1999 where he currently has research activities in optoelectronic devices and related applications to fiber optic communications and biosensors. He serves as a consultant and advisory board member for a number of high technology companies.
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