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Journal Article

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.

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.

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. 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.

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.

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.

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.

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.

G. Roelkens, Vermeulen, D., Selvarajaa, S., Halir, R., Bogaerts, W., and Van Thourhout, D., “Grating-based optical fiber interfaces for silicon-on-insulator photonic integrated circuits”, IEEE Journal of Selected Topics in Quantum Electronics (invited), ), 2011.

S. Nambiar, Sethi, P., and Selvaraja, S. K., “Grating assisted Fiber to chip Coupling for Si-Photonic circuits”, Applied Sciences , vol. 8, no. 7, p. 1142, 2018.

K P Nagarjun, Jeyaselvan, V., Selvaraja, S. K., and Supradeepa, V. R., “Generation of tunable, high repetition rate optical frequency combs using on-chip Silicon modulators”, Optics Express, vol. 26, no. 8, pp. 10754-10761 , 2018.

S. Clemmen et al., “Generation of correlated photons in hydrogenated amorphous silicon waveguides”, Optics letters, vol. 35, pp. 3483-3485, 2010.

V. BS, Prakash, R., K P Nagarjun, Selvaraja, S. K., and Supradeepa, V. R., “Generation of a multi-wavelength source spanning the entire C-band by nonlinear spectral broadening of dual-carrier electro-optic frequency combs”, OSA Continuum, vol. 8, no. 3, pp. 2185-2194, 2020.

P. Duraiswamy and Selvaraja, S. K., “Fully Digital Synchronous Frequency Doubler for FM Stereo Decoder”, IOP Engineering Research Express, vol. 2, no. 1, p. 016001, 2020.

P. R. Prasad, Selvaraja, S. K., and Varma, M. M., “Full-Range Detection in Cascaded Microring Sensors Using Thermooptical Tuning”, Journal of Lightwave Technology, vol. 34, pp. 5157–5163, 2016.

S. Samanta, kalathimekkad, S., and Selvaraja, S. K., “Fluid Sensing Strategies Adopted in Photonic Devices: A Review  ”, Elsevier Journal of Optics & Laser Technology , vol. 139, p. 106975, 2021.

S. Selvarajaa, Jaenen, P., Bogaerts, W., Dumon, P., Van Thourhout, D., and Baets, R., “Fabrication of Photonic Wire and Crystal Circuits in Silicon-on-Insulator Using 193nm Optical Lithography”, IEEE Journal of Lightwave Technology, vol. 27, pp. 4076-4083, 2010.

S. Selvarajaa, Jaenen, P., Bogaerts, W., Dumon, P., Van Thourhout, D., and Baets, R., “Fabrication of Photonic Wire and Crystal Circuits in Silicon-on-Insulator Using 193nm Optical Lithography”, IEEE Journal of Lightwave Technology, vol. 27, pp. 4076-4083, 2009.

S. Vura, Jeyaselvan, V., Biswas, R., Raghunathan, V., Selvaraja, S. K., and Raghavan, S., “Epitaxial BaTiO3 on Si(100) with In-Plane and Out-of-Plane Polarization Using a Single TiN Transition Layer”, ACS Applied Electronic Materials, vol. 3, no. 2, pp. 687-695, 2021.

S. Vikram Bhagavatula, Prakash, R., Selvaraja, S. K., and Supradeepa, V. R., “Enhanced nonlinear spectral broadening and sub-picosecond pulse generation by adaptive spectral phase optimization of electro-optic frequency combs”, OSA Optics Express, vol. 28, no. 8, pp. 11215-11226, 2020.

A. Dash et al., “Enhanced all-optical cavity-tuning using graphene”, OSA Optics Express, vol. 27, no. 23, pp. 34093-34102, 2019.

P. Rawat, Nambiar, S., Venkatachalam, P., Singh, R., and Selvaraja, S. K., “Embedded Silicon Gratings for High-efficiency Light-Chip Coupling to Thin Film Silicon Nitride Waveguides”, Optica Optics Express, vol. 31, no. 8, pp. 29392-29402, 2023.

J. Jacob et al., “Efficient Poling-Free Wavelength Conversion in Thin Film Lithium Niobate Harnessing Bound States in the Continuum”, Laser & Photonics Reviews, p. 2301335, 2024.

V. Mere, Kallega, R., and Selvaraja, S. K., “Efficient and Tunable Strip-to-Slot Fundamental Mode Coupling”, Optics Express, vol. 26, no. 1, pp. 438-44, 2018.

A. Vasudevan and Selvaraja, S. K., “Domain effects on the electro-optic properties of thin-film Barium Titanate”, Optical Material Express, vol. 13, no. 4, pp. 956-965, 2023.

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