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Events for March 09, 2012
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All-optical Signal Processing of Ultra-High-Speed Serial Data Signals Exceeding 1 Tbit/s Using Optical Time lenses and Nonlinear Waveguides such as Silicon Nanowires and Highly Nonlinear Fibers
Fri, Mar 09, 2012 @ 11:30 AM - 12:30 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Leif Katsuo Oxenløwe, Technical University of Denmark
Talk Title: All-optical Signal Processing of Ultra-High-Speed Serial Data Signals Exceeding 1 Tbit/s Using Optical Time lenses and Nonlinear Waveguides such as Silicon Nanowires and Highly Nonlinear Fibers
Abstract: All-optical signal processing may be suitable for functionalities where many bits are processed in a few devices. This is the case where ultra-high-speed serial data signals are optically processed in one nonlinear optical waveguide. This talk will describe some recent experimental demonstrations where this has been the goal, including 640 Gbit/s wavelength conversion, 640 Gbit/s serial-to-parallel conversion, 640 Gbit/s RZ-to-NRZ format conversion and 640 Gbit/s packet switching. During the talk, it will also be shown that nonlinear silicon waveguides can indeed be used to process serial 1.28 Tbit/s serial data signals and describe various potentially energy-efficient schemes of conversion, focusing on wavelength conversion and serial-to-parallel conversion. It will also be shown that serial 1.28 Tbit/s data signals may be used to carry advanced data modulation formats and be successfully transmitted over standard fiber as well as being compatible with standard Ethernet traffic using optical time lenses.
Biography: Leif Katsuo Oxenløwe received the B.Sc. degree in physics and astronomy from the Niels Bohr Institute, University of Copenhagen, Denmark in 1996. In 1998 he received the International Diploma of Imperial College of Science, Technology and Medicine, London, UK and the M.Sc. degree from the University of Copenhagen. He received the Ph.D. degree in 2002 from the Technical University of Denmark, where he has been working since at DTU Fotonik, Department of Photonics Engineering. Since 2007 he is the group leader of the High-Speed Optical Communications group and since December 2009 he is a Professor of Photonic Communications. He is working with experimental research in the field of ultra-high-speed serial optical communications (above 1 Tbit/s) and optical signal processing. He is the recipient of a European Research Council project (SOCRATES) dealing with the connection between ultra-high-speed serial data and Ethernet networks, a project that started in October 2009. He is also heading the Danish national research council projects NOSFERATU and NANO-COM and is involved in several other national and international projects. He has authored or co-authored more than 170 peer reviewed publications.
Host: Alan Willner, willner@usc.edu, x04664
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 539
Audiences: Everyone Is Invited
Contact: Gerrielyn Ramos
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W.V.T. Rusch Engineering Honors Colloquium; Technology in Video Games
Fri, Mar 09, 2012 @ 01:00 PM - 01:50 PM
USC Viterbi School of Engineering, Viterbi School of Engineering Student Affairs
Conferences, Lectures, & Seminars
Speaker: Matt Kimberling, Technical Director, Treyarch
Talk Title: W.V.T. Rusch Engineering Honors Colloquium; Technology in Video Games
Abstract: Matt Kimberling, Technical Director at Treyarch, will present "Technology in Video Games" as part of the W.V.T. Rusch Engineering Honors Colloquium.
Host: W.V.T. Rusch Engineering Honors Colloquium
More Info: http://viterbi.usc.edu/students/undergrad/honors/schedules/Location: Seeley G. Mudd Building (SGM) - 101
Audiences: Everyone Is Invited
Contact: Amanda Atkinson
Event Link: http://viterbi.usc.edu/students/undergrad/honors/schedules/
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Random-Access High-Resolution Distributed Fiber Sensor
Fri, Mar 09, 2012 @ 02:00 PM - 03:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Dr. Avinoam (Avi) Zadok, Bar-Ilan University in Ramat-Gan, Israel
Talk Title: Random-Access High-Resolution Distributed Fiber Sensor
Abstract: Optical sensing offers an attractive solution to the societal concern for prevention of natural and human-generated threats and for efficient use of natural resources. The unprecedented properties of optical fibres make them ideal for implementing a 'nervous system' in structural health monitoring: they are small, low-cost and electrically and chemically inert. In particular, the nonlinear interaction of stimulated Brillouin scattering allows for the distributed measurement of strain and temperature with tens of km range. However, the resolution of SBS-based measurements is inherently restricted to the order of 1 m by the relatively long acoustic lifetime that is associated with the process. In this talk, I show a novel, radar-inspired technique for random-access Brillouin scattering-based sensors, making a significant step towards a real optical sensing nerve. The measurement principle relies on phase-coding of both the Brillouin pump and signal waves by a high-rate, pseudo-random bit sequence. The Brillouin interaction between the two waves is shown to be equivalent to match-filtering processes that are prevalent in radar systems. Temperature measurements with 1 cm resolution are reported. The measurement range is scalable to several km.
Biography: Dr. Avinoam (Avi) Zadok received his Ph.D. in Electrical Engineering from Tel-Aviv University, Israel in 2007 (with distinction). In between 2007-2009 he was a post-doctoral fellow with the group of Prof. Amnon Yariv at the Department of Applied Physics of the California Institute of Technology (Caltech). Starting in 2009, he is a senior lecturer at the School of Engineering of Bar-Ilan University in Ramat-Gan, Israel, and a member of the Bar-Ilan Institute of Nano-Technology and Advanced Materials. Dr. Zadok's group research interests are in electro-optic devices and fiber-optic communication and signal processing.
Host: Alan Willner, willner@usc.edu, x04664
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 539
Audiences: Everyone Is Invited
Contact: Gerrielyn Ramos
