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Journal Article

S. R. Nambiar, Kallega, R., Ranganath, P., and Selvaraja, S. K., “High efficiency DBR assisted grating chirp generators for silicon nitride fiber-chip coupling”, Scientific Reports, vol. 9, p. 18821, 2019.

P. R. Prasad, Selvaraja, S. K., and Varma, M. M., “High precision measurement of intensity peak shifts in tunable cascaded microring intensity sensors”, Optics Letters, vol. 41, pp. 3153–3156, 2016.

R. Mech, Mohta, N., Chatterjee, A., Selvaraja, S. K., Muralidharan, R., and Nath, D., “High responsivity and photovoltaic effect based on vertical transport in multi-layer α-In2Se3”, Physica Status Solidi A: Applications and Materials Science, vol. 217, p. 1900932, 2020.

S. Nambiar and Selvaraja, S. K., “High-efficiency broad-bandwidth sub-wavelength grating based fibre-chip coupler in SOI”, Optical Engineering, vol. 57, no. 1, p. 017115, 2018.

D. Vermeulen et al., “high-efficiency fiber-to-chip grating couplers realized using an advanced CMOS-compatible silicon-on-insulator platform”, Optics Express, vol. 18, pp. 18278-18283, 2010.

S. R. Nambiar, kumar, A., Kallega, R., Ranganath, P., and Selvaraja, S. K., “High-efficiency Grating Coupler in 400 nm and 500 nm PECVD Silicon Nitride With Bottom Reflector”, IEEE Photonics Journal, vol. 11, no. 5, pp. 1-13, 2019.

A. kumar, Nambiar, S. R., Kallega, R., priya,, Ranganath, P., and Selvaraja, S. K., “High-efficiency Vertical Fiber-to-Polymer waveguide Coupling scheme for scalable polymer photonic circuit”, OSA Optics Express, vol. 29, no. 7, pp. 9699-9710, 2021.

W. Xie, Fiers, M., Selvarajaa, S., Van Campenhout, J., Absil, P., and Van Thourhout, D., “High-Performance Photonic Crystal Nanocavities on 300 mm SOI Substrate Fabricated With 193nm Immersion Lithography,”, Journal of Lightwave Technology, vol. 32, no. 18, pp. 1457 - 1462 , 2014.

A. Chatterjee, S, S., Sikdar, S., and Selvaraja, S. K., “High-Speed Waveguide Integrated Silicon Photodetector on SiN-SOI Platform for Short Reach Datacom”, Optics Letters, vol. 44, no. 7, pp. 1682-1685, 2019.

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. Khanna et al., “Impact of ALD grown passivation layers on silicon nitride based integrated optics devices for very-near-infrared wavelengths”, Optics Express, 2014.

A. Dash, Mere, V., Selvaraja, S. K., and Naik, A., “Independently Reconfigurable Internal Loss and Resonance Shift in an Interferometer-Embedded Optical Cavity”, Physical Review Applied, vol. 18, no. 5, 2022.

A. Pandey and Selvaraja, S. K., “Internally-loaded ring resonator configuration for optical filter applications (Invited)”, CSI Transactions on ICT, 2016.

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.

V. Jeyaselvan and Selvaraja, S. K., “Lateral dopant diffusion length measurements using silicon microring resonators”, IEEE Photonics Technology Letters, vol. 30, no. 24, pp. 2163-2166, 2018.

P. Mondal, Venkatachalam, P., Singh, R., Sushma, G., Shelwade, S., and Selvaraja, S. K., “Linear and Nonlinear Characterization of broadband integrated Si-rich silicon nitride racetrack ring resonator for on-chip applications”, Applied Optics, vol. 62, no. 14, pp. 3703-3709, 2023.

S. Selvarajaa, Bogaerts, W., and Van Thourhout, D., “Loss reduction in silicon nanophotonic waveguide micro-bends through etch profile improvement”, Optics Communications, vol. 284, pp. 2141-2144, 2011.

V. Kumar, Garg, D. Kumar, Selvaraja, S. K., Saravanan, S., and Kumar, M., “Low-loss 7-bit S-band CMOS Passive Phase Shifter with Digital Control”, Wiley International Journal of Circuit Theory and Applications, pp. 1-7, 2019.

S. Selvarajaa et al., “Low-Loss Amorphous Silicon-On-Insulator Technology for Photonic Integrated Circuitry”, Optics Communications, vol. 282, pp. 1767-1770, 2009.

A. Z. Subramanian et al., “Low-Loss Singlemode PECVD Silicon Nitride Photonic Wire Waveguides for 532-900 nm Wavelength Window Fabricated Within a CMOS Pilot Line”, IEEE Photonics Journal, vol. 5, p. 2202809,2202809, 2014.

V. Mere and Selvaraja, S. K., “A Method to Fabricate Taper Waveguide using Fixed Beam Moving Stage Electron-beam Lithography”, Journal of Micro/Nanolithography, MEMS, and MOEMS (JM3), vol. 18, no. 4, p. 043503, 2019.

K P Nagarjun, Raj, P., Jeyaselvan, V., Selvaraja, S. K., and Supradeepa, V. R., “Microwave power induced resonance shifting of silicon ring modulators for continuously tunable, bandwidth scaled frequency combs”, OSA Optics Express, vol. 28, no. 9, pp. 13032-13042, 2020.

V. Jeyaselvan and Selvaraja, S. K., “Mitigation of carrier induced optical bistability in silicon ring resonators”, Optics Communications, vol. 493, p. 127021, 2021.

D. Van Thourhout et al., “Nanophotonic Devices for Optical Interconnect”, IEEE Journal of Selected Topics in Quantum Electronics (invited), vol. 16, pp. 1363-1375, 2010.

A. Subramanian, Selvarajaa, S., Verheyen, P., Dhakal, A., Komorowska, K., and Baets, R., “Near infrared grating couplers for silicon nitride photonic wires”, IEEE Photonics Technology Letters, vol. 24, pp. 1700-1703, 2012.

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