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(Color online) Schematic of the vertical butt fiber coupling scheme for a PCL. The right panel shows the details of the butt-joint region.
(Color online) (a) Scanning electron microscope image of the fabricated graphite-lattice band edge laser structure. (b) Calculated band structure for the even mode of the graphite-lattice photonic crystal slab shown in (a).
(Color online) Relationship between the light input and output of a typical graphite-lattice operated in the butt fiber coupling setup (solid squares). The inset shows the emission spectrum recorded above the laser threshold. For comparison, the data obtained under the conventional microphotoluminescence scheme are also displayed (open circles). The straight lines are guides to the eyes.
(Color online) FDTD simulations for the butt fiber coupling of the . The intensity distribution profiles for the graphite-lattice mode: (a) without and (b) with the fiber coupler (air-gap distance . (c) Calculated fiber coupling efficiency as a function of .
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