MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202511115811 A) filed by Ims Engineering College, Ghaziabad, Uttar Pradesh, on Nov. 23, 2025, for 'system and method for four channel dwdm demultiplexing using photonic crystal hexagonal ring resonators.'
Inventor(s) include Sanjeev Sharma; Prof. Manav Kumar Mishra; Pradeep Kumar; Sourabh Maheshwary; Sarita Devi Sharma; and Naveen Kumar Sharma.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a system and method for four channel dense wavelength division multiplexing demultiplexing using photonic crystal hexagonal r...