MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202541134692 A) filed by Indian Institute Of Technology, Chennai, Tamil Nadu, on Dec. 31, 2025, for '2d material-metal heterostructure coated fiber bragg grating device for bragg wavelength tuning and modulation.'
Inventor(s) include Bannur Nanjunda, Shivananju; and Oinam, Ural.
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 discloses a fibre Bragg grating (FBG) device and a method for post-inscription wavelength tuning and electrical modulation. The device comprises an optical fibre having a Bragg grating, a graphene-based ...