Original document(23 pages)  中文版
    A waveguide type variable optical attenuator is provided with a substrate for forming a waveguide for optical signal propagation; a waveguide element comprising 2 arm waveguides arranged on the surface of the substrate for constituting a portion of the waveguide and cladding for covering the arm waveguides and the surface of the substrate; and a heater arranged on the surface of the waveguide element for heating the arm waveguides. The 2 arm waveguides are connected thermally.
Application Number
申请号		 200610080143 Application Date
申请日		 2006.05.09
Title 名称 Waveguide type variable optical attenuator
Publication Number
公开号		 1936651 Publication Date
公开日		 2007.03.28
Approval Pub. Date Granted Pub. Date
International Classification 分类号 G02F1/01;G02B6/12
Applicant(s) Name
申请人		 Hitachi Cable
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 xiongzhi cheng
More information 更  多  信  息


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