Title:
光変調器
Document Type and Number:
Japanese Patent JP7031437
Kind Code:
B2
Abstract:
An optical modulator includes features as follows: a substrate (optical waveguide substrate) having an electro-optic effect; an optical waveguide formed on the substrate; and a traveling-wave electrode (signal electrode and ground electrode) formed on the substrate in order to modulate a light wave propagating through the optical waveguide, in which the substrate has a thickness of 30 μm or lower, a reinforcing substrate that holds the substrate through an adhesive layer interposed between the reinforcing substrate and the substrate is provided, and the adhesive layer includes an air gap section where no adhesive agent is present.
Inventors:
Yuki Nailmoto
Youichi Hosokawa
Youichi Hosokawa
Application Number:
JP2018065363A
Publication Date:
March 08, 2022
Filing Date:
March 29, 2018
Export Citation:
Assignee:
Sumitomo Osaka Cement Co., Ltd.
International Classes:
G02F1/035
Domestic Patent References:
| JP2007133135A | ||||
| JP2012119177A | ||||
| JP2003215519A | ||||
| JP2007304424A |
Foreign References:
| WO2016117554A1 | ||||
| US20020048728 |
Attorney, Agent or Firm:
Tamura
Junko Sugimura
Masao Fujimatsu
Junko Sugimura
Masao Fujimatsu
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