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Proceedings Paper

Ultrafast optical devices for high-speed optical data links
Author(s): Todd G. Ulmer; Michael C. Gross; William S. Astar; Paul W. Juodawlkis; Barbara R. Washburn; Anthony J. SpringThorpe; Richard P. Kenan; Carl M. Verber; Stephen E. Ralph
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Paper Abstract

The development of photonic devices for the next generation of optical networks is dependent on advances in ultrafast materials and in the success of waveguide devices comprised of these materials. This includes new methods of producing integrated-optical devices by innovative growth techniques or novel hybridization schemes. We describe aspects of the ultra-fast optical communications program at Georgia Tech that involve the development of hybridized and integrated- optical devices and devices for use in ultrafast optical data links. Two major components are under development: (1) a tapered rib electro-absorption modulator that includes an integrated spot-size converter for hybridization with a passive silica-waveguide tapped delay line. This unique hybridized semiconductor/glass waveguide provides the basic building block of the transmitter multiplexer. (2) a quasi- phase matched multilayer AlGaAs waveguide designed for surface-emitted second-harmonic generation. This device provides an all-optical serial-to-parallel converter and thereby demultiplexes ultrafast optical data streams. We describe our recent advances in materials growth and waveguide design and the impact on the performance of these devices.

Paper Details

Date Published: 27 October 1999
PDF: 9 pages
Proc. SPIE 3803, Materials and Devices for Photonic Circuits, (27 October 1999); doi: 10.1117/12.366760
Show Author Affiliations
Todd G. Ulmer, Georgia Institute of Technology (United States)
Michael C. Gross, Georgia Institute of Technology (United States)
William S. Astar, Georgia Institute of Technology (United States)
Paul W. Juodawlkis, Georgia Institute of Technology (United States)
Barbara R. Washburn, Georgia Institute of Technology (United States)
Anthony J. SpringThorpe, Nortel Advanced Technology Lab. (Canada)
Richard P. Kenan, Georgia Institute of Technology (United States)
Carl M. Verber, Georgia Institute of Technology (United States)
Stephen E. Ralph, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 3803:
Materials and Devices for Photonic Circuits
Mario Nicola Armenise; Walter Pecorella; Liliane G. Hubert-Pfalzgraf; S. Iraj Najafi, Editor(s)

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