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An optomechanical crystal nanobeam cavity with high optomechanical coupling rate is proposed and fabricated. Only by adjusting the radius of the air holes, the cavity realizes an optomechanical coupling rate as high as 1.24 MHz.
A photonic crystal nanobeam cavity with stagger holes in InP/InGaAsP/InP heterostructure is proposed for ultrafast directly modulated nano-light-emitting diodes (nanoLEDs). With stagger holes, the quality factor can be engineered in the range of while keeping a small mode volume . As a result, the modulation speed of nanoLEDs can be dramatically improved by a small...
A compact thermo-optic switch based on the cutoff effect of slow-light mode of a tapered W1 photonic crystal waveguide (PCW) is demonstrated with an integrated microheater. Due to the low-group-index taper, the coupling loss of the slow-light PCW is reduced, and a high switching extinction ratio (ER) is attained. Moreover, three types of microheaters are evaluated for the power consumptions, heating...
Thermo-optic switch based on W1 photonic crystal waveguide is demonstrated, high extinction ratio of 23.5 dB has been experimentally achieved under a switching power as low as 8.9 mW while the device is only 16.8-μm-long.
Deep etching for InP/InGaAsP based slotted photonic crystal by inductively coupled plasma at ultra-low pressure was studied. High-aspect-ratio of 28 for 60-nm-wide slots and 17 for air-holes with diameter of 200 nm was achieved, respectively.
Thermo-optic switch based on double-slot photonic crystal waveguide is demonstrated, high extinction ratio of 17 dB has been experimentally achieved under a switching power as low as 9.2 mW while the device is only 16-μm-long.
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