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Proceedings Paper

Fine-tuning of the spectral efficiency based on tunneling splitting in multiple quantum well system
Author(s): Chongqing Huang; Junqiang Sun; Jing Liu; Wenjing Hu
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Paper Abstract

Transmission studies for quantum well (QW) structures composed by two-dimension photonic crystals are presented. The results indicate that, with the multiple QW structure, each resonant peak which appears in the single QW structure would split, and the splitting times increases in step with the increasing number of the wells. It is also found that the frequency spacing between adjacent splitting spectra can be finely tuned by adjusting the barrier widths properly, leading to great improvement of spectral efficiency. The physical explanation of the origin of the spectral splitting are provided. These results provide the prospects in super dense wavelength division multiplexing for optical communication and precise optical measurement for the purpose of maximization of channel density.

Paper Details

Date Published: 19 November 2007
PDF: 6 pages
Proc. SPIE 6782, Optoelectronic Materials and Devices II, 678227 (19 November 2007); doi: 10.1117/12.742010
Show Author Affiliations
Chongqing Huang, Hunan Institute of Science and Technology (China)
Junqiang Sun, Huazhong Univ. of Science and Technology (China)
Jing Liu, Hunan Institute of Science and Technology (China)
Huazhong Univ. of Science and Technology (China)
Wenjing Hu, Hunan Institute of Science and Technology (China)

Published in SPIE Proceedings Vol. 6782:
Optoelectronic Materials and Devices II
Yoshiaki Nakano, Editor(s)

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