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Publication # 300 |
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Martina
Gerken and David A. B. Miller, "The
Relationship between the Superprism Effect in One-Dimensional Photonic
Crystals and Spatial Dispersion in Non-Periodic Thin-Film Stacks,"
Optics Lett.
30,
no.18, p.2475-7 (15 Sept. 2005); selected for the October 10, 2005 issue
of Virtual Journal of Nanoscale Science & Technology
We derive that, in all-pass
(unity amplitude transmittance or reflectance) one-dimensional layered
structures, the tangent of the group-propagation angle, the group delay,
and the stored energy are approximately proportional. Thus photonic
crystal superprisms and spatial dispersion in nonperiodic photonic
nanostructures are generally related to wavelength-dependent stored
energy in the stack. |
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