Research

Current areas of research

• Silicone coatings on FBGs

• Embedded FBG sensors for structural health monitoring applications

• Metasurfaces for optical applications

• Surface Plasmon Resonance based optical sensors

• Distributed fiber optic sensors

Projects

• "Development of a Low-cost Microfluidic system for LAMP" (jointly with Dr. Karthick S, Dept of ME, IIITDM Kancheepuram), sponsored by Agappe Diagnostics Limited

Journals

• A. Thrikkaikuth Chalackal and S. Kanakambaran, "Anomaly Detection in Gait Cycles Using a PDMS Embedded FBG Sensor," in IEEE Sensors Journal (SCIE, Q1), vol. 25, no. 16, pp. 30735-30742, 2025, doi: 10.1109/JSEN.2025.3585729.

• A. T. Chalackal and S. Kanakambaran, "Elbow Angle Monitoring and Error Analysis Using a Wearable PDMS Embedded FBG Sensor," IEEE Sensors Journal (SCIE,Q1), vol. 25, no. 11, pp. 19341-19348, 2025.

• P. V. M. Vamsi and S. Kanakambaran, "Machine Learning-Assisted Simultaneous Identification and Localization of Impacts on Metallic Structures Using Fiber Bragg Grating-Based Sensor," IEEE Sensors Journal (SCIE,Q1), vol. 25, no. 10, pp. 17128-17135, 2025.

• Archana Chalackal and Srijith Kanakambaran, "Investigations on thermal and mechanical characteristics of PDMS embedded FBG sensors for wearable sensing applications", Smart Materials and Structures (SCIE,Q1), vol. 34, no.1, 2024.

• Sasi D., Joseph T. and Kanakambaran S., "Hybrid CNN-LightGBM Architecture for Earthquake Event Classification in DAS Systems", Arab J Sci Eng (SCIE,Q2), 2024.

• H. Surapaneni, A. Thrikkaikuth Chalackal and S. Kanakambaran, "Spectral Similarity Estimation and ML-Based Classification of Speech Using PDMS-Embedded FBG Sensor-Based Contact Microphone," IEEE Sensors Journal (SCIE,Q1), vol. 24, no. 21, pp. 34487-34497, 2024.

• H Chandana, Archana Trikkaikuth Chalackal, Pravin Kumar Subbaraj and Srijith Kanakambaran, "In-vivo studies on PDMS-embedded fiber Bragg grating based smart laparoscopic grasper", Smart Materials and Structures (SCIE,Q1), Vol.33, No.2, 025007, Jan 2024

• Jagadeeshwar L. Tabjula, Srijith Kanakambaran, Prabhu Rajagopal and Balaji Srinivasan, "Sparse sampled visualization of ultrasonic guided waves for defect identification in plate structures", NDT & E International, Vol. 138, 102890, 2023.

• Jagadeeshwar L. Tabjula, Srijith Kanakambaran, Sheetal Kalyani, Prabhu Rajagopal and Balaji Srinivasan, "Outlier analysis for defect detection using sparse sampling in guided wave structural health monitoring", Structural Control and Health Monitoring, Vol. 28, e2690, Jan 2021. 

• Srijith Kanakambaran, R Sarathi and Balaji Srinivasan, Robust classification of partial discharges in transformer insulation based on acoustic emissions detected using fiber Bragg gratings, IEEE Sensors Journal,Vol. 18, No. 24, pp. 10018 - 10027, Dec 2018.

• Srijith Kanakambaran, R Sarathi and Balaji Srinivasan, Identification and Localization of Partial Discharge in Transformer Insulation Adopting Cross Recurrence Plot Analysis of Acoustic Signals Detected using Fiber Bragg Gratings, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 24, No. 3, pp. 1773 - 1780, June 2017.

• Balaji Srinivasan, A.V. Harish, K. Srijith and Krishnan Balasubramaniam, Elastic Wave Sensing Using Fiber Bragg Grating-Based Sensors and Dynamic Interrogators, Journal of the Indian Insitute of Science, Vol. 94, No. 3, pp. 329 - 339, 2014.

• Srijith Kanakambaran, T. Obulesu, R. Sarathi, Balaji Srinivasan, Corona-type Partial Discharge Detection in Power Transformers using Fiber Bragg Gratings, Journal of CPRI, Vol. 13, No. 1, pp. 75-78, March 2017

• K. Srijith, M. Deepak, Dr. S. Raghavan, Effect of Parameter Variation on Microcantilever MEMS Sensors, International Journal of Microwave Optical Technology , Vol. 6, No. 4, pp. 211-216, July - Nov. 2011. 

Conferences

• Aakash H, Vanniya Balan, Srijith Kanakambaran, "Simulation Studies on Thermally Tunable Metasurface Structures", 4th IEEE Wireless, Antenna and Microwave Symposium (WAMS 2025), Chennai, June 2025.

• Srijith Kanakambaran, “On teaching an elective course in Photonics to engineering students”, 2025 IEEE Conference on Education and Training in Optics and Photonics, Glasgow, May 2025.

• Vanniya Balan, Debdatta Ray, Srijith Kanakambaran, "Investigations on Hybrid Metasurfaces for Refractive Index Sensing", 16th International Conference on Fiber Optics and Photonics, Kharagpur, December 2024

• Yash Agrawal, Shahna Haneef, Srijith Kanakambaran, "Deep Learning approaches for Distributed Fiber Optic Temperature Sensing using Brillouin Scattering", 16th International Conference on Fiber Optics and Photonics, Kharagpur, December 2024

• Neelambari Ratan, Gavishna Rengarajan, Venkateswaran N, Srijith Kanakambaran, "Machine Learning-Driven Sign Language Recognition using single Fiber Bragg Grating Sensor", 16th International Conference on Fiber Optics and Photonics, Kharagpur, December 2024

• V. Balan, D. Ray and S. Kanakambaran, "Refractive Index Sensing Using Cylindrical Photonic Metasurfaces," 2024 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), New Delhi, September 2024

• Padmanabhan S, S. Kanakambaran and P. K. Subbaraj, "Stiffness Assessment in tissue grasping using surgical tool integrated with Fiber Bragg Grating Sensor," 2024 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bengaluru, July 2024

• Reshma S P and S. Kanakambaran, "Dual Micro-trench Photonic Crystal Fiber based Surface Plasmon Resonance sensor for early diagnosis of Anemia," 2024 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bengaluru, July 2024

• Deepika Sasi, Srijith Kanakambaran and Thomas Joseph, Performance comparison of machine learning models for multi-event classification of vibrational patterns in distributed acoustic sensing system, 2024 International Conference on Signal Processing, Computation, Electronics, Power and Telecommunication (IConSCEPT), July 2024

• Priyadharshini Rajendran, Dharshana Shahini R, Karthiga B and Srijith K, A Comparative Study of Machine Learning Techniques for Seismic Activity Monitoring using Fiber Optic Distributed Acoustic Sensors, 2nd IEEE International Conference on Interdisciplinary Approaches in Technology and Management for Social Innovation (IATMSI-2024), March 2024.

• Harshini Surapaneni, Archana Thrikkaikuth Chalackal and Srijith Kanakambaran, Spectral response of fiber Bragg grating sensor for conact microphone applicatons”, 6th IEEE WRAP 2023, IIIT Allahabad, Dec 2023

• Nikhil Choppa, Archana Thrikkaikuth Chalackal and Srijith Kanakambaran, Analysis of Strain Response of PDMS embedded FBG sensor for various types of loads, International Conference on Trends in Optics and Photonics, University of Calcutta, Nov 2023

• Yella Pavan Kumar, Archana T C and Srijith Kanakambaran, Tin Disulfide-Coated Non-Adiabatic Tapered Fiber for Humidity Sensing, Photonics 2023, IISc Bengaluru, July 2023.

• Pasumarti Venkatesh, Yada Sai Pranay, Palas Biswas and Srijith Kanakambaran, Machine Learning Techniques for Impact Monitoring and Localization on Metallic Plates Using Fiber Bragg Grating Sensors, Photonics 2023, IISc Bengaluru, July 2023.

• Chandana H, Archana Thrikkaikuth Chalackal, Pauline John and Srijith Kanakambaran, Fiber Bragg Grating based Wearable Device for Monitoring Respiratory Activity, IEEE Third International Conference on Technology, Engineering, Management for Societal impact using Marketing, Entrepreneurship and Talent TEMSMET 2023, Feb 2023.

• Vattam Hemanth Naga Sai Ram, Archana Thrikkaikuth Chalackal, Somadrita Chattopadhyay, Palas Biswas and Srijith Kanakambaran, Enhancing Thermal Sensitivity of Fiber Bragg Grating Sensors Using Conductive Paint, IEEE INDICON 2022, Dec 2022.

• Y. S. Pranay, J. Tabjula and S. Kanakambaran, "Classification Studies on Vibrational Patterns of Distributed Fiber Sensors using Machine Learning," 2022 IEEE Bombay Section Signature Conference (IBSSC), Mumbai, Dec 2022.

• Archana Thrikkaikuth Chalackal, Amal Chirayil Soman, and Srijith Kanakambaran, ”Investigations on Thermal Sensitivity of PDMS Embedded FBG Sensor for Temperature Sensing Applications”, XLV Symposium of the Optical Society of India COPaQ 2022, Nov 2022.

• Amal Chirayil Soman, Archana Thrikkaikuth Chalackal and Srijith Kanakambaran, Design of Cryogenic Temperature Sensors Using Copper-Coated Fiber Bragg Gratings, IEEE TENSYMP 2022.

• S. Shivaranjani and S. Kanakambaran, Design of a Non-Orthogonal multi-band Carrierless Amplitude and Phase Modulated Indoor Visible Light Communication System using Adaptive Equalizers, 2021 5th Conference on Information and Communication Technology (CICT), 2021.

• Vimal M, Archana Thrikkaikuth Chalackal and Srijith Kanakambaran, Performance analysis of metal-coated fiber Bragg gratings for strain sensing at high temperatures, IEEE TENSYMP 2021.

• Shivaranjani S and Srijith Kanakambaran, Performance Analysis of Multichannel 4-QAM CWDM-VLC System, 6th IEEE international Women in Engineering (WIE) Conference on Electrical and Computer Engineering 2020 (IEEE WIECON-ECE 2020).

• Dinesh L and Srijith K, Simulation studies on Force Sensor using PDMS coated Fiber Bragg Grating for Robot-assisted surgery , 4th International Conference on Optical & Wireless Technologies (OWT 2020), 2020.

• T L Jagadeeshwar, Srijith K, Balaji Srinivasan, and Prabhu Rajagopal, Visualisation of wave propagation using Reduced Number of Samples, NDE-2019 Conference & Exhibition on Non-Destructive Evaluation, 2019. 

• Abhinav Agarwal, Tabjula Jagadeeswar, Srijith Kanakambaran, Mohit Shrivastava and Balaji Srinivasan, Acoustic Emission Based Leakage Detection System using Coherent Optical Time Domain Reflectometry (COTDR), International Conference on Optics and Electro-optics, 2019.

• T L Jagadeeshwar, Srijith K, Balaji Srinivasan, and Prabhu Rajagopal, Generation of Ultrasonic Guided waves in Optical Fiber and Reception using Fiber Bragg Grating Sensor, NDE-2018 Conference & Exhibition on Non-Destructive Evaluation, 2018.

• Srijith Kanakambaran and Balaji Srinivasan, Localization of multiple partial discharge events captured through fiber Bragg grating sensors using cross recurrence plot analysis, The International Conference on Fiber Optics and Photonics, 2018.

• Mohit Shrivastava, Srijith Kanakambaran and Balaji Srinivasan, Investigations on performance improvement of Distributed Acoustic Sensing through chirped pulses, The International Conference on Fiber Optics and Photonics, 2018.

• Shahna M Haneef, K. Srijith, D. Venkitesh, and B. Srinivasan, Accurate determination of Brillouin frequency based on cross recurrence plot analysis in Brillouin distributed fiber sensor, 25th International Conference on Optical Fiber Sensors, 2017.

• Srijith Kanakambaran, T. Obulesu, R. Sarathi, Balaji Srinivasan, Corona-type Partial Discharge Detection in Power Transformers using Fiber Bragg Gratings, The 18th Asian Conference on Electric Discharge (ACED), 2016. 

• K. Srijith, R. Sarathi and B. Srinivasan, Locating Partial Discharges in Power Transformers using Fiber Bragg Gratings, Australian and New Zealand Conference on Optics and Photonics (ANZCOP), 2015.

• Pabitro Ray, Srijith K., Balaji Srinivasan, Enhanced sensitivity etched fiber Bragg gratings for precise measurement of refractive index, Proc. SPIE 9654, International Conference on Optics and Photonics, 2015. 

• K. Srijith, R. Sarathi and B. Srinivasan, Detection of Partial Discharges in Power Transformers using Fiber Bragg Gratings,12th International Conference on Fiber Optics and Photonics, 2014.

• K Srijith, G Suresh, V Natarajan, S Raghavan, Finite Element Modelling of CMUT for acoustic imaging, Sixth ISSS International Conference, IISc Bangalore, 2012.

• K Srijith, G Suresh, V Natarajan, S Raghavan, Finite Element Modelling of CMUT for acoustic imaging, National Conference on Sensors & Actuators : Science to Technology, CGCRI Kolkata, 2011.