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Wavelength switching by mode interference between longitudinally coupled photonic crystal channel waveguides

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8 Author(s)
Mahnkopf, S. ; Technische Phys., Julius-Maximilians-Univ. Wurzburg, Germany ; Hsin, H. ; Duan, G.-H. ; Lelarge, F.
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A wavelength switching mechanism of two longitudinally coupled and independently contacted photonic crystal channel waveguides is reported. The waveguides are coupled by a photonic crystal section of one period in Γ-M orientation. The cavity lengths are chosen such that the cavity modes exhibit slightly different mode spacings and allow for a wavelength switching by mode interference between the two cavities.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 1 )