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Band Operation of Guided-Wave Light Modulators with Filter-Type Coplanar Electrodes
Masayuki IZUTSU Takashi MIZUOCHI Tadasi SUETA
IEICE TRANSACTIONS on Electronics
Publication Date: 1995/01/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultrafast Optoelectronics)
light modulator, electrooptic effect, guided-wave structure, integrated optics, band modulator,
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A filter-type coplanar parallel electrode with periodically loaded reactances is introduced to construct guided-wave light modulators of limited bandwidth. The device was built by using a Ti:LiNbO3 optical waveguide and was operated successfully at 633 nm. Measured 3 dB bandwidth was 1 GHz centered at 14.8 GHz. Required modulating power for 1 rad phase modulation was 67.6 mW.