238000004891 communication Methods 0.000 claims description 10.239000011162 core material Substances 0.000 claims description 209.238000005253 cladding Methods 0.000 claims abstract description 286.230000003287 optical Effects 0.000 claims abstract description 490.238000004519 manufacturing process Methods 0.000 title claims description 45.Assignors: TAKAHASHI, YASUHITO, YOSHIMURA, TETSUZO, INAO, MASAAKI, BEILIN, SOLOMON I., ROMAN, JAMES, WANG, WEN-CHOU VINCENT Publication of US20020097962A1 publication Critical patent/US20020097962A1/en Application granted granted Critical Publication of US6785447B2 publication Critical patent/US6785447B2/en Adjusted expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US10372698P priority Critical Priority to US09/295,813 priority patent/US6343171B1/en Priority to US09/295,431 priority patent/US6845184B1/en Priority to US09/295,628 priority patent/US6611635B1/en Priority to US09/574,422 priority patent/US6690845B1/en Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd Priority to US09/767,582 priority patent/US6785447B2/en Assigned to FUJITSU LIMITED reassignment FUJITSU LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Fujitsu Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Beilin Wen-chou Vincent Wang Masaaki Inao Current Assignee (The listed assignees may be inaccurate. ( en Inventor Tetsuzo Yoshimura Yasuhito Takahashi James Roman Solomon I. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US09/767,582 Other versions US20020097962A1 Google Patents Single and multilayer waveguides and fabrication processÄownload PDF Info Publication number US6785447B2 US6785447B2 US09/767,582 US76758201A US6785447B2 US 6785447 B2 US6785447 B2 US 6785447B2 US 76758201 A US76758201 A US 76758201A US 6785447 B2 US6785447 B2 US 6785447B2 Authority US United States Prior art keywords layer optical waveguide cladding substrate Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6785447B2 - Single and multilayer waveguides and fabrication process US6785447B2 - Single and multilayer waveguides and fabrication process
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