Fr. 102.00

Optical Modulation: - by Controlling the Charge State of Deep Impurity Levels in Silicon

English, German · Paperback / Softback

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Measurements of thallium and indium doped Silicon-On-Insulator rib waveguides show optical absorption at a wavelength of 1550nm, dependent on the charge state of the associated deep-level. Therefore, it is possible to use this effect to modulate waveguide transmission by means deep-level occupancy change induce by local depletion and/or injection of free-carriers. A one-dimensional model based on the generation and recombination process described by the modified Shockley-Read-Hall (SRH) mechanism was developed using MATLAB programming language in order to compute the optical absorption of a 1550nm wavelength as a function of the density of neutrally-charged thallium or indium centers. In addition, the influence of indium, as a dopant in silicon (utilizing the Impurity Photovoltaic Effect), as a means to increase the efficiency of a thin film silicon solar cell was investigated using the same samples.

About the author










He was Born in Mexico city. Studied Engineering Physics at UAM-A, and his Master degree in optics at CICESE. Worked for a couple of years in IPN-UPIITA and ITESM-Edo. Mex. before moving to Canada to study a PhD in Engineering Physics at McMastet University.

Product details

Authors Edgar Huante-Ceron
Publisher LAP Lambert Academic Publishing
 
Languages English, German
Product format Paperback / Softback
Released 08.02.2012
 
EAN 9783846586723
ISBN 978-3-8465-8672-3
No. of pages 204
Subject Natural sciences, medicine, IT, technology > Physics, astronomy > Electricity, magnetism, optics

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