Integrated optical Mach-Zehnder interferometer with a sensing arm of sub-wavelength grating waveguide in SOI. - R. Sumi; Nandita DasGupta; Bijoy Krishna Das (IEEE SENSORS, 2017)

Integrated Optical Ultra-Broadband Add-Drop Filter in Silicon-On-Insulator Platform. - R. Sumi; Ramesh K. Gupta; Nandita DasGupta; Bijoy Krishna Das (OFC, 2018)