Invention Grant
- Patent Title: Grating couplers with segments having sections of inverted curvature
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Application No.: US17162303Application Date: 2021-01-29
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Publication No.: US11474294B2Publication Date: 2022-10-18
- Inventor: Alec Hammond , Yusheng Bian , Michal Rakowski , Won Suk Lee , Asif J. Chowdhury , Roderick A. Augur
- Applicant: GLOBALFOUNDRIES U.S. Inc.
- Applicant Address: US CA Santa Clara
- Assignee: GLOBALFOUNDRIES U.S. Inc.
- Current Assignee: GLOBALFOUNDRIES U.S. Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Thompson Hine LLP
- Agent Francois Pagette
- Main IPC: G02B6/124
- IPC: G02B6/124 ; G02B6/13 ; G02B6/12

Abstract:
Structures including a grating coupler and methods of forming a structure that includes a grating coupler. The grating coupler includes segments that are spaced along a longitudinal axis. Each segment is inclined relative to the longitudinal axis. Each segment includes a first curved section having a first curvature and a second curved section having a second curvature that is inverted relative to the first curvature.
Public/Granted literature
- US20220244457A1 GRATING COUPLERS WITH SEGMENTS HAVING SECTIONS OF INVERTED CURVATURE Public/Granted day:2022-08-04
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