Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Kurihara0
Seiji Toyoda0
Shogo Yagi0
Tadayuki Imai0
Eishi Kubota0
Kazuo Fujiura0
Koji Enbutsu0
Makoto Abe0
...
Date of Patent
September 19, 2006
0Patent Application Number
112350890
Date Filed
September 27, 2005
0Patent Primary Examiner
Patent abstract
An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTaxNb1−xO3 is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1−xO3 film. The KTaxNb1−xO3 film undergoes changes in optical property when an external voltage signal is applied to the electrode. Therefore, as it passes through the KTaxNb1−xO3 film, the input optical signal is modulated by the characteristic change. The modulated optical signal is taken out as an output optical signal.
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