The University of Southampton

Dr Aneesh Vincent Veluthandath 

https://orcid.org/0000-0003-4306-6723

Dr. Aneesh Vincent Veluthandath is a Research Fellow at the Integrated Photonic Devices Lab, ORC, University of Southampton, where he joined in December 2019. The primary focus of his current research is to develop a low-cost single-use photonic platform for rapid diagnosis of neonatal respiratory distress syndrome. This photonic platform will combine the strength of mid- infrared and Raman spectroscopy in a compact, versatile and easily operable device, with the capacity to underpin the next generation biomedical diagnostics applications. He also works on high-Q microcavities with a focus on applications in low-threshold lasing and nonlinear signal conversion.

Dr. Aneesh received his PhD in Physics from the Indian Institute of Technology Madras, in 2018. During his PhD he experimented on the effects of whispering gallery modes (WGMs) of microspheres on the photoluminescence and Raman scattering of quantum dots and 2D semiconductors. He also invented a simple and robust method to self-assemble polymer micro-bottle resonators. After his PhD, he continued to work as a postdoc at IIT Madras, with a focus on photonic-plasmonic hybrid resonators. In 2019, he joined the IFW Institute for Integrative Nanosciences, Leibniz Institute for Solid State and Materials Research, Dresden as a postdoc. During this time, he worked on rolled-up microcavities. His responsibilities at IFW Dresden included designing and building an integrated experimental system for simultaneous measurements of angle-resolved photoluminescence and transmission spectra of rolled-up microcavities.

Research

Research interests

  1. Vibrational (Raman and Mid-IR) spectroscopy for medical diagnosis
  2. Miniaturising Raman and IR spectrometers
  3. Fluorescence based sensors
  4. High-Q Microcavities
  5. Plasmonic-Photonic Hybrid systems
  6. Dielectric nano-antennas

Publications

Veluthandath, Aneesh V., Bhattacharya, Shubhayan, Gorajoobi, Shahab Bakhtiari, Bisht, Prem B. and Murugan, Ganapathy Senthil (2016) Self-assembled high Q WGM microbottle resonator using organic polymer for low threshold microlasing. In 13th International Conference on Fiber Optics and Photonics. OSA. 3 pp . (doi:10.1364/PHOTONICS.2016.Tu4A.16).

Veluthandath, Aneesh V., Bhattacharya, Shubhayan, Murugan, Ganapathy Senthil, Wilkinson, James and Bisht, Prem B. (2017) Numerical investigation of plasmonic photonic hybrid whispering gallery modes. In 2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE. 2 pp . (doi:10.1109/NUSOD.2017.8009986).

Bhattacharya, Shubhayan, Veluthandath, Aneesh V., Murugan, G.S. and Bisht, Prem B. (2017) Pressure sensing with silica microspheres. DAE-BRNS National Laser Symposium (NLS-26), BARC, Mumbai, India. 20 - 23 Dec 2017.

Veluthandath, Aneesh V., Bhattacharya, Shubhayan, Murugan, Ganapathy Senthil and Bisht, Prem B. (2019) Fano resonances and photoluminescence in self-assembled high quality-factor microbottle resonators. IEEE Photonics Technology Letters, 31 (3), 226-229. (doi:10.1109/LPT.2018.2889433).

Bhattacharya, S., Veluthandath, Aneesh V., Huang, C.C., Murugan, G.S. and Bisht, P.B. (2019) Effect of polarization on the Raman scattering of the 2D material - tungsten disulphide. Advanced Solid State Lasers ASSL 2019, , Vienna, Austria. 29 Sep - 03 Oct 2019. 2 pp .

Bhattacharya, Shubhayan, Veluthandath, Aneesh V., Murugan, Ganapathy Senthil and Bisht, Prem B. (2019) Self-assembled microbottle resonator as photo-stable temperature sensor. International Conference on Physics of Materials and Nanotechnology (ICPN 2019), , Mangalore, India. 19 - 21 Sep 2019.

Bisht, Prem B., Veluthandath, Aneesh V., Bhattacharya, Shubhayan and Murugan, Ganapathy Senthil (2019) Fano resonance in self-assembled microbottle resonator. Focus on Microscopy, London, London, United Kingdom. 14 - 17 Apr 2019. P1-D/12 .

Bhattacharya, Shubhayan, Veluthandath, Aneesh Vincent, Murugan, Ganapathy Senthil and Bisht, Prem B. (2020) Temperature dependence of whispering gallery modes of quantum dot-doped microbottle resonators. Journal of Luminescence, 221, [117050]. (doi:10.1016/j.jlumin.2020.117050).

Bhattacharya, Shubhayan, Veluthandath, Aneesh Vincent, Huang, Chung-Che, Murugan, Ganapathy Senthil and Bisht, Prem B. (2020) Effect of coating few-layer WS2 on the Raman spectra and whispering gallery modes of a microbottle resonator. Journal of Optics, 22 (10), [105003]. (doi:10.1088/2040-8986/abad50).

Veluthandath, Aneesh V. and Bisht, Prem B. (2015) Radiative rate modification in CdSe quantum dot-coated microcavity. Journal of Applied Physics, 118 (23), [233102]. (doi:10.1063/1.4937577).

Bongu, Sudhakara Reddy, Veluthandath, Aneesh V., Nanda, B. R.K., Ramaprabhu, Sundara and Bisht, Prem B. (2016) Control over the charge transfer in dye-nanoparticle decorated graphene. Chemical Physics Letters, 644, 176-182. (doi:10.1016/j.cplett.2015.12.023).

Veluthandath, Aneesh V. and Bisht, Prem B. (2017) Identification of Whispering Gallery Mode (WGM) coupled photoluminescence and Raman modes in complex spectra of MoS2 in Polymethyl methacrylate (PMMA) microspheres. Journal of Luminescence, 187, 255-259. (doi:10.1016/j.jlumin.2017.03.031).

Bhattacharya, Shubhayan, Veluthandath, Aneesh V. and Bisht, Prem B. (2018) Whispering gallery modes in photoluminescence of ruthenium bipyridine in coated microcavities. Materials Research Express, 5 (12), [126201]. (doi:10.1088/2053-1591/aad5b6).

Bhattacharya, S., Veluthandath, Aneesh V., Huang, C. C., Murugan, G. S. and Bisht, P. B. (2019) Effect of polarization on the Raman scattering of the 2D material - tungsten disulphide. In Advanced Solid State Lasers, ASSL_2019. vol. Part F139-ASSL , OSA.. (doi:10.1364/ASSL.2019.JM5A.22).

Agrawal, Tulika, Bhattacharya, Shubhayan, Veluthandath, Aneesh Vincent, Murugan, Ganapathy Senthil, Singh, Gurvinder, Zreiqat, Hala and Bisht, Prem B. (2020) Hybrid system of different shapes of gold nanoparticles on microcavity to study Purcell's effect. Lecler, Sylvain, Astratov, Vasily N. and Minin, Igor V. (eds.) In Photonics and Plasmonics at the Mesoscale. vol. 11368, SPIE. 8 pp . (doi:10.1117/12.2555349).

Bhattacharya, Shubhayan, Veluthandath, Aneesh V., Huang, C. C., Murugan, Ganapathy Senthil and Bisht, Prem B. (2020) Scatterer induced Fano resonances in WS2 coated microsphere resonator. Lecler, Sylvain, Astratov, Vasily N. and Minin, Igor V. (eds.) In Photonics and Plasmonics at the Mesoscale. vol. 11368, SPIE. pp. 1-7 . (doi:10.1117/12.2555631).

Veluthandath, Aneesh Vincent, Bongu, Sudhakara Reddy, Ramaprabhu, Sundara and Bisht, Prem Ballabh (2017) Cavity induced fluorescence enhancement of graphitic carbon nitride submicron flakes. Materials Research Express, 4 (1), [aa5239]. (doi:10.1088/2053-1591/aa5239).

Veluthandath, Aneesh Vincent and Bisht, Prem B. (2014) Whispering gallery modes of tapered optical fibre for sensing refractive index. In International Conference on Fibre Optics and Photonics, 2014. Optical Society of America..

Sagar, Vijay Kumar, Veluthandath, Aneesh Vincent and Bisht, Prem Ballabh (2020) Photoluminescence enhancement of organic dye by graphene quantum dots. Journal of Photochemistry and Photobiology A: Chemistry, 400, [112614]. (doi:10.1016/j.jphotochem.2020.112614).

Murugan, Ganapathy Senthil, Mourgelas, Vasileios, Ahmed, Waseem, Veluthandath, Aneesh Vincent, Rowe, David and Wilkinson, James S (2020) Mid-IR spectroscopy: On-chip devices and biodiagnostic applications. In IEEE 5th International Conference on Emerging Electronics.

Ahmed, Waseem, Veluthandath, Aneesh Vincent, Madsen, Jens, Clark, Howard W., Postle, Antony D., Wilkinson, James S. and Murugan, Ganapathy Senthil (2021) ATR based infrared spectroscopy for the diagnosis of neonatal respiratory distress syndrome. In Proceedings Volume 11651: Optical Diagnostics and Sensing XXI: Toward Point-of-Care Diagnostics. vol. 11651, SPIE. 6 pp . (doi:10.1117/12.2578818).

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