Fine-tuning of the spectral efficiency based on tunneling splitting in multiple quantum well system

Chongqing Huang; Junqiang Sun; Jing Liu; Wenjing Hu

doi:10.1117/12.742010

19 November 2007 Fine-tuning of the spectral efficiency based on tunneling splitting in multiple quantum well system

Chongqing Huang, Junqiang Sun, Jing Liu, Wenjing Hu

Proceedings Volume 6782, Optoelectronic Materials and Devices II; 678227 (2007) https://doi.org/10.1117/12.742010
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

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.

Citation Download Citation

Chongqing Huang, Junqiang Sun, Jing Liu, and Wenjing Hu "Fine-tuning of the spectral efficiency based on tunneling splitting in multiple quantum well system", Proc. SPIE 6782, Optoelectronic Materials and Devices II, 678227 (19 November 2007); https://doi.org/10.1117/12.742010

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