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Optical Gratings for Electronic Controllable Wavelengthsensitive Switches on Si/SiGe Heterostructures
Optical Gratings Wavelengthsensitive Si/SiGe Heterostructures
2010/7/15
Characteristics of optical gratings on Si/SiGe heterostructures for optical band-pass filters will be discussed. The bandwidth can be down to 0.1 nm. By reducing the refractive index of the SiGe layer...