US Patent Issued to PsiQuantum on March 25 for "Single photon interconnect employing low index cladding spot size converter" (California Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,579, issued on March 25, was assigned to PsiQuantum Corp. (Palo Alto, Calif.).

"Single photon interconnect employing low index cladding spot size converter" was invented by Eric Dudley (Sacramento, Calif.), Stanley Burgos (Campbell, Calif.) and Jin Yao (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a spot size converter on a substrate. The substrate includes an optical fiber alignment structure formed thereon. The spot size converter is aligned with the optical fiber alignment structure. The spot size converter includes an oxide layer that has a first refractive index and includes a tapered section such that a first end...