Analysis of the interchannel response in a MEMS 1 × N2 wavelength-selective switch

Jui Che Tsai*, Chun Yi Yin, Chia-Wei Sun, Ming C. Wu

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Scopus citations


A theoretical model based on Fourier optics and the power-coupling overlap integral is built to investigate the interchannel response in a micro-electro-mechanical systems 1 × N2 wavelength-selective switch. The simulation results demonstrate that the interchannel response depends significantly on the output port location and the radius of curvature of the micromirrors. For the output originally aligned with the input along the dispersion direction, it is possible to achieve interchannel-response suppression by rotating the two-dimensional (2D) collimator array by a slight angle, e.g., 20°. Experimental results under different conditions are also shown.

Original languageEnglish
Pages (from-to)3227-3232
Number of pages6
JournalApplied Optics
Issue number16
StatePublished - 1 Jun 2007

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