Material and waveguide platform

Pravin Rawat PhD student	Rahul Dash PhD student	Venkatachalam P Project Staff
Rakshitha PhD student (joint)	Shreelakshmi PhD student (joint)

Project Title	Duration	Funding Agency	Status
Silicon Photonic Integrated Circuits for Radar Applications	2023-2027	DRDO	Ongoing
Integrated photonic FOG	2022-2024	DRDO	Ongoing
Nanoelectronics Network For Research and Application (NNetRA)	2018-2024	DST Nanomission, MeitY	Completed

S. K. Selvaraja et al., “Silicon Photonics beyond silicon for communication and sensing applications (Invited)”, Photonics North. 2020.
R. Dash and Selvaraja, S. K., “High-efficiency broadband grating coupler in SiN/a-Si/SiN sandwich hybrid waveguide”, 14th Pacific Rim Conference on Lasers and Electro-Optics 2020. 2020.
S. Nambiar, Ranganath, P., Kallega, R., and Selvaraja, S. K., “Ultra-high Efficiency Grating Chirp Generators for Fiber-Chip Coupling in Silicon Nitride”, OSA Frontiers in Optics (FiO). Optical Society of America, p. FTh1C.2 , 2020.
R. Kallega, Shekhawat, R., Ramesh, K., and Selvaraja, S. K., “Controlled phase change of GST-on-SOI for photonic neuromorphic application”, 2021 IEEE Photonics Conference (IPC) . IEEE, Vancouver, BC, Canada, 2021.
Suraj and Selvaraja, S. K., “Sputter-deposited PZT-on-Silicon electro-optic modulator”, 2021 IEEE Photonics Conference (IPC) . IEEE, Vancouver, BC, Canada, 2021.
S. Kumari, Nambiar, S., Kallega, R., Selvaraja, S. K., and Gupta, S., “Hybrid SIN-SOI Bragg Filter in Presence of Stress-optic Effect”, IEEE Journal of Quantum Electronics, vol. 58, no. 2, pp. 1-7, 2022.
A. Chatterjee and Selvaraja, S. K., “On-chip silicon nano-slab photodetector integrated wavelength division de-multiplexer in 850 nm band”, Optica Applied Optics., vol. 61, no. 6, pp. 1403-1412, 2022.
Suraj, Rathkanthiwar, S., Nath, D., Raghavan, S., and Selvaraja, S. K., “GaN-on-Sapphire Photonic Circuit with Polarization Independent Grating Coupler at 1550 nm”, Optica Advanced Photonics Congress 2022, . Optica, Maastricht, Netherlands, 2022.
kushboo Kumari, Chatterjee, A., Mehta, M., Selvaraja, S. K., and Avasthi, S., “Laser-Crystallized Epitaxial Germanium on Silicon-Based Near-infrared Photodetector”, IEEE Sensors Journal , vol. 22, no. 12, pp. 11682 - 11689, 2022.
K. P. Shreelakshmi, Raghavan, S., and Selvaraja, S. K., “High-Efficiency Overlay Grating Fiber-Chip Couplers for Aluminum nitride-on-Sapphire Waveguide Platform”, Conference on Lasers and Electro-Optics-Pacific Rim (CLEO-PR) 2022. Optica, Sapporo, Japan, 2022.
J. Jacob, Boes, A., Selvaraja, S. K., and Mitchell, A., “Poling Free Second-Order Nonlinear Waveguides in LNOI using Bound State in the Continuum”, Conference on Lasers and Electro-Optics-Pacific Rim (CLEO-PR) 2022. Optica, Sapporo, Japan, 2022.
R. Kallega, Yazdani, H., Pavan, G. V., and Selvaraja, S. K., “Liquid Crystal Integrated Tunable Micro-ring For Energy-Efficient Programmable Photonic Circuit”, Conference on Lasers and Electro-Optics-Pacific Rim (CLEO-PR) 2022. Optica, Sapporo, Japan, 2022.
S. K. Selvaraja, Chatterjee, A., and Nambiar, S., “Integrated Silicon Photodetectors in Silicon Nitride-on-SOI platform (Invited)”, Conference on Lasers and Electro-Optics-Pacific Rim (CLEO-PR) 2022. Optica, Sapporo, Japan, 2022.
Dipak Rout, Venkatachalam, P., Singh, R., Shreelakshmi, K. P., and Selvaraja, S. K., “Guided mode resonance aided polarization insensitive in-plane spectral filters for on-chip spectrometer”, Optics Letters, vol. 47, no. 18, pp. 4616-4619, 2022.
P. Mondal and Selvaraja, S. K., “Nonlinear spectral broadening of dual-carrier electro-optic frequency comb in graphene oxide cladded silicon-rich nitride hybrid waveguide”, Applied Optics, vol. 61, no. 27, pp. 7852-7860, 2022.

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Material and waveguide platform

Material and waveguide platform

Pravin Rawat

PhD student

Rahul Dash

PhD student

Venkatachalam P

Project Staff

Rakshitha

PhD student (joint)

Shreelakshmi

PhD student (joint)