Photonic Sensors

Optical sensing relies on light-matter interaction; higher the interaction better the sensitivity. By exploiting photonic integrated circuit platform one can build compact devices for sensing applications.

Photonic Sensors

Daniel Yumnam

PhD student

Pavithra

PhD student

Project Title	Duration	Funding Agency	Status
Integrated photonic FOG	2022-2024	DRDO	Ongoing
Nanoelectronics Network For Research and Application (NNetRA)	2018-2024	DST Nanomission, MeitY	Completed
CFOS:Compact Fiber Optics Sensor System	2018-2023	ISRO	Completed
Continuous monitoring of electrolyte concentration using integrated photonic device	2018-2020	Shell	Completed

S. K. Selvaraja and Mere, V., “System and method of coupling light into a slot waveguide”, 201741007981, 2017.
P. R. Prasad, Selvaraja, S. K., and Varma, M. M., “Thermo-optical tuning of cascaded double micro-ring resonators for dynamic range enhancement”, in SPIE BiOS, 2016.
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.
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.
A. Dash, Naik, A., and Selvaraja, S. K., “Feasibility of strain detection in graphene NEMS using silicon photonic”, IEEE Photonics Conference (IPC). Waikoloa, USA, pp. 829-830., 2016.
V. Mere and Selvaraja, S. K., “Germanium-on-Glass waveguides for Mid-IR photonics”, in International Conference on Fibre Optics and Photonics, 2016.
V. Mere, Naik, A., Pratap, R., and Selvaraja, S. K., “Silicon Photonics Based On-chip Vibrometer”, ISSS 2017 . 2017.
V. Mere, Kallega, R., and Selvaraja, S. K., “A Novel Scheme to Excite SOI Slot Waveguide Mode”, 14th International Conference on Group IV Photonics (GFP). IEEE, Berlin, Germany, 2017.
V. Mere, Kallega, R., Naik, A., Pratap, R., and Selvaraja, S. K., “Silicon photonics based on-chip vibrometer”, SPIE Photonics West. SPIE, San Francisco, 2018.
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.
P. Sethi, Kallega, R., Haldar, A., and Selvaraja, S. K., “Compact Broadband Low-Loss Taper for Coupling to a Silicon Nitride Photonic Wire”, arXiv, vol. 1711.09831, 2017.
P. R. Prasad, Selvaraja, S. K., and Varma, M., “Real-time compensation of errors in refractive index shift measurements of microring sensors using thermo-optic coefficients”, Optics Express, vol. 26, no. 10, pp. 13461-13473 , 2018.
V. Mere, Dash, A., Kallega, R., Pratap, R., Naik, A., and Selvaraja, S. K., “Silicon Photonics based On-chip Cantilever Vibration Measurment”, IEEE Sensors 2018. IEEE, New Delhi, pp. 1-4, 2018.
V. Mere, Dash, A., Kallega, R., Pratap, R., Naik, A., and Selvaraja, S. K., “On-chip Silicon-photonics based integrated vibrometer”, SPIE Photonics West, MOEMS and Miniaturized Systems XVIII , vol. 10931. SPIE, San Francisco, p. 109310T , 2019.
P. R. Prasad, Selvaraja, S. K., and Varma, M., “Sensitivity analysis of tunable double microring resonator based intensity sensor”, IEEE 2nd International Conference on Emerging Electronics (ICEE). IEEE, Bangalore, India, 2014.

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Photonic Sensors

Photonic Sensors

Daniel Yumnam

PhD student

Pavithra

PhD student