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We proposed and fabricated a novel optical switching device using a Si-waveguide symmetric Mach-Zehnder interferometer having a ferro-electric liquid crystal cladding. We demonstrated the wavelength switching operation with the experimental device fabricated at 1550 nm wavelength.
A low-loss CYTOP planar photonic crystal THz waveguide with single-mode propagation is realized. The highly transparent nature of CYTOP from deep ultraviolet to the THz region indicates its potential usage as component of hybrid optics.
A novel travelling-wave semiconductor optical modulator electrically matched for InP-HBT drivers was demonstrated. It enables a 40-Gbit/s, 2-km SMF transmission with a 0.3-dB penalty at a 1.3-mum wavelength. Monolithically integrated DFB-LD produces a high-power output
Summary form only given. We demonstrate Cerenkovian SHG enhancement with an all-UV-induced periodic or chirped nonlinear optical (NLO) susceptibility /spl chi//sup (2)/ structure and slab or channel waveguides, and compare the conversion efficiency with that obtained by schemes based on contact-electrode poling.
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