US Patent Issued to VI Systems on Oct. 27 for "High speed narrow spectrum miniarray of VCSELs and data transmission device based thereupon" (German Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,627, issued on Oct. 27, was assigned to VI Systems GmbH (Berlin).

"High speed narrow spectrum miniarray of VCSELs and data transmission device based thereupon" was invented by Nikolay Ledentsov (Berlin) and Vitaly Shchukin (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "An on-chip miniarray of optically coupled oxide-confined apertures of vertical cavity surface emitting lasers (VCSELs) is realized by the oxidation through openings formed by etching from the top surface crossing at least one aperture layer subject to oxidation. Oxidation of the aperture layer results in aperture regions suitable for current injection. The lateral distance and...