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Proceedings Paper

Model of a series-cascaded fractal topological structure of microring resonator arrays
Author(s): Xiaobei Zhang; Yingchun Li; Fan Gu; Biyun Jin
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Paper Abstract

A series-cascaded fractal topological structure of microring arrays is proposed, by introducing fractal topological structures to series-cascaded all-pass microring resonators. Its analytical model is established by the transfer matrix method. Then the characteristics of this structure are investigated by the effects of coupling coefficients and loss. Generally, there are dips with the resonator number in the transmission spectra. As the loss increases, the average intensity decreases. However, the delay becomes interesting positive and negative delays. With the ring-bus coupling coefficient decreases, the dips of the spectrum become degenerated. However, there are several delay peaks with some positive delays and the other negative ones. These kinds of multiple positive and negative delays can be developed for applications in all-optical delay lines.

Paper Details

Date Published: 27 November 2012
PDF: 6 pages
Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 85551N (27 November 2012);
Show Author Affiliations
Xiaobei Zhang, Shanghai Univ. (China)
Yingchun Li, Shanghai Univ. (China)
Fan Gu, Shanghai Univ. (China)
Biyun Jin, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 8555:
Optoelectronic Devices and Integration IV
Xuping Zhang; Hai Ming; Joel M. Therrien, Editor(s)

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