Distributed Bragg Pulse Shapers for Terahertz Modulation and Ultrafast Communications
Purchase, Kenneth Graham
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https://hdl.handle.net/2142/81228
Description
Title
Distributed Bragg Pulse Shapers for Terahertz Modulation and Ultrafast Communications
Author(s)
Purchase, Kenneth Graham
Issue Date
1998
Doctoral Committee Chair(s)
Brady, David J.
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Optics
Language
eng
Abstract
The operation of the DBPS is modeled using coupled-mode theory, and a simulation of the device is presented that accurately reproduces observed data. The simulation is used to model pulse shapers with ideal characteristics. The magnitude and speed of the electrically induced refractive index change, which is the mechanism responsible for switching in the DBPS, are discussed. Several problems and technical challenges with the current generation of experimental devices are presented, and solutions are proposed which may in the future make the DBPS and CDM system a viable alternative for ultrafast communications.
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