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Proceedings Paper

Ultrafast dynamics in asymmetrical multiple quantum well SOAs
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Paper Abstract

A numerical model for the investigation of the ultrafast gain properties in asymmetrical multiple quantum-well semi-conductor optical amplifiers (AMQW SOAs) has been developed considering propagation of ultrashort optical pulses with different wavelengths. The dynamics of the number of carriers and carrier temperature are investigated for each quantum well. The results agree with the experimental results of pump probe measurements with different wavelengths. It is shown that gain recovery is slower for higher energy wells for pump signals of all wavelengths.

Paper Details

Date Published: 20 December 2004
PDF: 12 pages
Proc. SPIE 5594, Physics and Applications of Optoelectronic Devices, (20 December 2004); doi: 10.1117/12.569095
Show Author Affiliations
Volodimir V. Lysak, Gwangju Institute of Science and Technology (South Korea)
Kharkov National Univ. of Radio Electronics (Ukraine)
Hitoshi Kawaguchi, Yamagata Univ. (Japan)
CREST, Japan Science and Technology Agency (Japan)
Igor A. Sukhoivanov, Kharkov National Univ. of Radio Electronics (Ukraine)
Univ. de Guanajuato (Mexico)
Yong Tak Lee, Gwangju Institute of Science and Technology (South Korea)
Takeo Katayama, Yamagata Univ. (Japan)
CREST, Japan Science and Technology Agencey (Japan)
Aleksey V. Shulika, Kharkov National Univ. of Radio Electronics (Ukraine)


Published in SPIE Proceedings Vol. 5594:
Physics and Applications of Optoelectronic Devices
Joachim Piprek, Editor(s)

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