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Proceedings Paper

Nonlinear gain and bistability in photonic crystal heterostructures with compositional and doping superlattices
Author(s): Valerii K. Kononenko; Marian Marciniak; Dmitrii V. Ushakov
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Paper Abstract

Optical properties of photonic crystal heterostructures with embedded n-i-p-i superlattices are studied. Nonlinear behavior of the transmission and reflection spectra near the defect mode is investigated. Self-consistent calculations of the output performance characteristics are performed using the transfer-matrix method and taking into account the gain saturation. Features and characteristic parameters of the nonlinear gain in active n-i-p-i layers are determined. Detail analysis of the gain saturation and accompanying nonlinear refraction effects is carried out for one-dimensional photonic crystal heterostructure amplifiers in the GaAs-GaInP system having at the central part an active "defect" from the doubled GaAs n-i-p-i crystal. The gain saturation in the active layers in the vicinity of the defect changes the index contrast of the photonic structure and makes worse the emission at the defect mode. Spectral bistability effect which can be exhibited in photonic crystal heterostructure amplifiers is predicted and the hysteresis loop and other attending phenomena are described. The bistability behavior and modulation response efficiency demonstrate the potential possibilities of the photonic crystal heterostructures with n-i-p-i layers as high-speed optical amplifiers and switches.

Paper Details

Date Published: 12 October 2005
PDF: 10 pages
Proc. SPIE 5950, Photonic Crystals and Fibers, 59500B (12 October 2005); doi: 10.1117/12.622266
Show Author Affiliations
Valerii K. Kononenko, B.I. Stepanov Institute of Physics (Belarus)
Marian Marciniak, National Institute of Telecommunications (Poland)
Dmitrii V. Ushakov, Belarussian State Univ. (Belarus)

Published in SPIE Proceedings Vol. 5950:
Photonic Crystals and Fibers
Waclaw Urbanczyk; Bozena Jaskorzynska; Philip St. J. Russell, Editor(s)

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