US Patent Issued to UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) on July 28 for "Broadband waveplate device based on optical phase modulation and fabrication method therefor" (South Korean Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,206, issued on July 28, was assigned to UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) (South Korea).

"Broadband waveplate device based on optical phase modulation and fabrication method therefor" was invented by Jong Won Lee (Ulsan, South Korea) and Hyeong Ju Chung (Ulsan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a broadband waveplate device having a simple configuration and being capable of precisely performing optical modulation and a method of fabrication the broadband waveplate device, the broadband waveplate device including a first conductive layer, a multiple-quantum-well layer in which well layers ...