Optical waveguides – Planar optical waveguide – Thin film optical waveguide
Reexamination Certificate
2006-02-07
2006-02-07
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
Planar optical waveguide
Thin film optical waveguide
C385S129000, C385S130000, C385S131000, C385S142000, C385S144000, C065S386000, C029S600000, C117S918000, C117S948000
Reexamination Certificate
active
06996321
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-xO3is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1-xO3film. The KTaxNb1-xO3film undergoes changes in optical property when an external voltage signal is applied to the electrode. Therefore, as it passes through the KTaxNb1-xO3film, 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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Abe Makoto
Enbutsu Koji
Fujiura Kazuo
Imai Tadayuki
Kubota Eishi
Nippon Telegraph and Telephone Corporation
Petkovsek Daniel
Schneller Marina V.
Ullah Akm Enayet
Venable LLP
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