MUMBAI, India, Oct. 19 -- Intellectual Property India has published a patent application (202631121108 A) filed by Indian Institute Of Technology Guwahati on October 09, 2026, for System And Method For High-Q Terahertz Refractive-Index Sensing Using A Hybrid-Edge Valley Photonic Crystal Cavity.
Inventors include Tushar Shah; Dibaskar Biswas; and Dr. Debabrata Sikdar.
The application for the patent was published on October 16, 2026, under issue no. 42/2026.
Abstract: The present invention relates to a system (100) and method (200) for high-Q terahertz refractive-index sensing using a hybrid-edge valley photonic crystal cavity. The system comprises a patterned high-resistivity silicon (HR-Si) photonic slab (111) having photonic-crystal uni...