Abstract
A novel method is proposed to realize compact, high-performance optical buffering
application based on the polymer-infiltrated photonic crystal waveguide. By adjusting
the radii of the first two rows of holes adjacent to the defect, the negligible
dispersion bandwidth ranging from 2.8 nm to 13.8 nm and the corresponding constant group
velocity are obtained, which are suitable for the requirement of optical buffers. Then
the buffer capability and dynamic modulation of dispersion engineering waveguide are
systemically studied. The simulation shows that the center wavelength shift, delay time
and storage capacity increase almost linearly as the applied voltage increases. And the
modulation sensitivities are about 0.386 nm/V, 0.8 ps/V and 0.37 bit/V, respectively.
These results show that the proposed structure has considerable potential for optical
buffering application.
© 2010 IEEE
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