Optical external modulation semiconductor element
作者： Katsuyuki Utaka , Yukitoshi Kushiro , Shigeyuki Akiba , Yukio Noda
DOI:
关键词:
摘要: An optical modulation element is disclosed in which a diffraction grating formed along waveguide for guiding unmodulated incident light and inclined to the direction of travel light, structure provided changing refractive index portion where formed. can be effected by voltage application, current injection or irradiation.
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