US 12,498,520 B2
Integrated optical coupler
Hiroki Tanaka, Gilbert, AZ (US); Brandon C. Marin, Gilbert, AZ (US); Kristof Darmawikarta, Chandler, AZ (US); and Srinivas V. Pietambaram, Chandler, AZ (US)
Assigned to Intel Corporation, Santa Clara, CA (US)
Filed by Intel Corporation, Santa Clara, CA (US)
Filed on Dec. 22, 2021, as Appl. No. 17/559,871.
Prior Publication US 2023/0194786 A1, Jun. 22, 2023
Int. Cl. G02B 6/124 (2006.01); G02B 6/12 (2006.01); G02B 6/122 (2006.01); G02B 6/132 (2006.01); G02B 6/34 (2006.01)
CPC G02B 6/124 (2013.01) [G02B 6/12004 (2013.01); G02B 6/1228 (2013.01); G02B 6/132 (2013.01); G02B 6/34 (2013.01); G02B 2006/1204 (2013.01); G02B 2006/12142 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An optical coupler comprising:
an electrical optical (EO) substrate;
an optical waveguide within the EO substrate;
a transparent grating having a first side opposite a second side, the first side of the transparent grating optically coupled with an edge of the optical waveguide; and
a lens optically coupled with the second side of the transparent grating.