Tunable Wavelength Filter Based on Complex Period Photonic Crystal

Hai Xia Yu; Xian Jun Gao; Yan Li Shi

doi:10.4028/www.scientific.net/AMR.659.64

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 659Tunable Wavelength Filter Based on Complex Period...

Tunable Wavelength Filter Based on Complex Period Photonic Crystal

Abstract:

A new-style tunable photonic crystal filter was proposed, its structure is the liquid crystal defect films are introduced to the one-dimensional photonic crystal periodically composed by three different refractive index mediums. The spectrum transmission was obtained by using the transfer matrix method and liquid crystal Jones' matrix, we synthetically analyze the properties of the complex period photonic crystal infiltrated with nematic liquid crystal and the influence of many factors such as liquid crystal thickness, photonic crystal periodicity and adjacent medium thickness increment. The filter has different job windows in 1550 nm、1330nm etc, by changing the thickness increment of the adjacent medium behind the liquid crystal, and the tuning range of which has 30nm and above .

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Advanced Materials and Computer Science II

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Advanced Materials Research (Volume 659)

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64-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.659.64

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Online since:

January 2013

Authors:

Hai Xia Yu, Xian Jun Gao, Yan Li Shi

Keywords:

Complex Period Photonic Crystal, Liquid Crystal, Transfer Matrix Method (TMM), Tunable Filter

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