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Symmetry-induced Dispersion and performance penalty in Coupled Resonator Optical Waveguides
Micro-optical devices Coupled resonators
2015/6/8
We show that for fundamental reasons, microdisk based CROWs possess two non-degenerate transmission modes, making their long-planned use in optical communications highly challenging. Interference betw...
Gaussian beam diffraction in inhomogeneous media of cylindrical symmetry
Gaussian beam diffraction paraxial complex geometrical optics inhomogeneous media of cylindrical symmetry
2011/5/9
The method of paraxial complex geometrical optics (PCGO) is presented, which describes
Gaussian beam (GB) diffraction in smoothly inhomogeneous media of cylindrical symmetry,
including fibers. PCGO ...
Suppressing the effect of disorders using time-reversal symmetry breaking in magneto-optical photonic crystals: An illustration with a four-port circulator
Magneto-optics Photonic crystals Optical resonances Channel add/drop fi lters Optical circulators Nonreciprocity
2015/8/11
In integrated optical systems, nonreciprocal elements are indispensable devices that eliminate multi-path reflection between components. To miniaturizing these devices down to a single-wavelengt...
Microcavities in photonic crystals: Mode symmetry, tunability, and coupling efficiency
Microcavities photonic crystals Mode symmetry tunability
2015/8/12
We investigate the properties of resonant modes which arise from the introduction of local defects in two-dimensional ~2D! and 3D photonic crystals. We show that the properties of these modes can be c...