Patent 11960123 was granted and assigned to Nippon Telegraph and Telephone on April, 2024 by the United States Patent and Trademark Office.
An optical connection structure includes a first focus lens arranged between a first light incidence/emission end and an optical element, and a second focus lens arranged between a second light incidence/emission end and the optical element. The first focus lens and the second focus lens are arranged on an optical axis connecting the first light incidence/emission end and the second light incidence/emission end.