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We developed the optical switch based on a PhC DC controlled by a micro-heater just side of the PhC DC with the length of 4.68 mum, the switching power of 12 mW and the speed of 4.1 mus.
We evaluated the effect of a flat band in photonic crystal directional coupler optical switch for shortening the switching length. And we experimentally demonstrated that the flat band shortened the switching length by 29 times.
We developed double pulse generators based on two-dimensional slab photonic crystal. The device structures are asymmetric Mach-Zehnder interferometer. In the device, there are two Y shape branches. By utilizing modified Y branches, the loop path in the interferometer is suppressed, and it is shown that the devices are worked as double pulse generators with picoseconds order delay time by measurement...
Simulation, fabrication, characterization of two-dimensional photonic crystals and fabrication of nanoprobe-assisted site-controlled quantum dots for large optical non-linearity are presented for photonic crystal and quantum dot-based ultra-small and ultra-fast all optical switches
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