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Phase asymmetry effect in longitudinal offset coupled resonator optical waveguides
Published 16 Jan 2014 in physics.optics | (1401.4019v1)
Abstract: We show that the implementation of the longitudinal displacement technique for adjusting the coupling coefficients in microring waveguides is subject to a phase asymmetry effect. This issue is shown to substantially alter the system response in apodized filters and cannot be ignored in the design stage.
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