Wikipedia

Debabrata Goswami

Debabrata Goswami FInstP FRSC, (Devanagari गोस्वामी) is an Indian chemist and the Prof. S. Sampath Chair Professor[1] of Chemistry, at the Indian Institute of Technology Kanpur.[2] He is also a professor (Higher Administrative Grade) of The Department of Chemistry and The Center for Lasers & Photonics at the same Institute. Goswami is an associate editor of the open-access journal Science Advances.[3] He is also an Academic Editor for PLOS One[4] and PeerJ Chemistry.[5] He has contributed to the theory of Quantum Computing as well as nonlinear optical spectroscopy. His work is documented in more than 200 research publications.[6][7] He is an elected Fellow of the Royal Society of Chemistry, Fellow of the Institute of Physics, the SPIE,[8][9] and The Optical Society.[10] He is also a Senior Member of the IEEE, has been awarded a Swarnajayanti Fellowship for Chemical Sciences, and has held a Wellcome Trust Senior Research Fellowship.[11][12] He is the third Indian to be awarded the International Commission for Optics Galileo Galilei Medal[13] for excellence in optics.

Debabrata Goswami
Born (1964-08-31) 31 August 1964 (age 60)
Ichapur, West Bengal
NationalityIndian
CitizenshipIndian
Alma materJadavpur University, BSc,
Indian Institute of Technology Kanpur, MSc,
Princeton University, PhD
Known forWork in the field of Quantum computing and Nonlinear optics
AwardsOSA Fellow (2018)
Fellow of the Royal Society of Chemistry (2015)
SPIE Fellow (2019)
ICO Galileo Galilei Award (2018)
Prof. Y.T. Thathachari Research Award (2012)
Swarnajayanti Fellowship (2004)
Wellcome Trust Senior Research Fellowship (2004)
Scientific career
FieldsChemistry, Physics
InstitutionsPrinceton University, 1997-1998
Tata Institute of Fundamental Research, 1998–2004
Indian Institute of Technology Kanpur, 2004-2020
Thesis Control of Chemical Dynamics using Arbitrary Shaped Optical Pulses and Laser Enhanced NMR Spectroscopy  (1994)
Doctoral advisorWarren S. Warren

Scholarship

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In 2017, he was elected Fellow of the Optical Society of America "for seminal and significant contributions in ultrafast optical instrumentation for exploitation in cross-disciplinary fields like quantum information and biomedical applications as well as pedagogy in optics and photonics and voluntary services to OSA" (Engineering and Science Research).[14]

Goswami has demonstrated near-IR rapid Femtosecond Laser pulse shaping in the Megahertz repetition domain,[15] which is the current state of the art metric for the generation of shaped laser pulses. This latest demonstration of rapid near-IR femtosecond pulse shaping is based on his original approach of Fourier Transform Femtosecond Pulse Shaping [16] that utilizes a programmable traveling wave grating in an acousto-optic modulator. Pushing the limits of current technology and the realization of improved standards of experimentation has been a coherent part of his research narrative. His approach to Femtosecond pulse shaping has been crucial for applications from the demonstration of control in the gas phase fragmentation reactions [17] to 2D IR spectroscopy [18] and quantum computing.[19]

His work has built upon a history of over thirty years of working on pulsed laser experiments and has established other milestones in the field. He developed the self-calibrated femtosecond optical tweezers method for reproducible pulsed laser optical tweezers experiments with an additional forced oscillatory mode of motion. He went on to use the femtosecond optical tweezers to provide a direct measure and control of 'in situ' temperature and viscosity at micro-scale volumes.[20] He used this method to directly detect colloidal assembly, their structure, and orientation,[21][22] which affirmed the spatiotemporal aspects of the method.

Breaking the barrier of programmable pulsed laser generation has been concomitant to his insights into the theoretical aspects of pulsed light and heat dissipation dynamics. His work on the cumulative thermal effects of femtosecond infrared lasers, has revolutionized the existing framework of laser heat dissipation.[23] This has in turn been shown to be the key to mitigating the deleterious effect of heat accumulation during sensitive measurements of nonlinear optical properties.[24] Further, this led to the first demonstration of the hitherto unexplored distinction between molecular structures with femtosecond laser-induced thermal spectroscopy.[25] Femtosecond thermal spectroscopy with infrared lasers has thus become a new spectroscopic identification method.

In more direct applications of the experimental framework driving his work, he has demonstrated how to distinguish overlapping fluorophores in multi-photon imaging microscopy using near-IR high repetition rate femtosecond lasers by exploiting repeated excitation and de-excitation processes that help to distinguish and eventually eliminate abnormal cells from healthy ones.[26][27]

Education

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1964. B.Sc. Jadavpur University, 1986. M.Sc. IIT Kanpur, 1988.Princeton University, M.A. 1990; Ph.D. 1994. PDF at Harvard University, 1993–94. His work at Princeton overlapped with future Nobel laureate in physics Donna Strickland.[16]

Career

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After graduating, he spent two years at the Brookhaven National Laboratory from 1994 to 1996 before spending a year at Quantronix Corporation in 1997. He returned to the Princeton University Center for Ultrafast Laser Labs in 1998.[28][29] He returned to India to join the Tata Institute of Fundamental Research as a Fellow-E in 1998 as part of the DNAP (Department of Nuclear and Atomic Physics). In 2003, He moved to the Indian Institute of Technology Kanpur,[2] his alma-mater, to join the Department of Chemistry as an associate professor and has remained there since, currently as a professor (Higher Administrative Grade). He was awarded the Prof. S. Sampath Chair Professorship[1] of Chemistry in 2018. He also holds a joint appointment at the same institute in The Center for Lasers & Photonics.

Outreach

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References

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  1. ^ a b "S Sampath Chair". iitk.ac.in. Retrieved 25 August 2020.
  2. ^ a b "Debabrata Goswami". iitk.ac.in. Retrieved 17 August 2020.
  3. ^ "Editorial Board | Science Advances". advances.sciencemag.org. Retrieved 17 August 2020.
  4. ^ "PLOS ONE: accelerating the publication of peer-reviewed science". journals.plos.org. Retrieved 17 August 2020.
  5. ^ "PeerJ - Profile - Debabrata Goswami". peerj.com. Retrieved 17 August 2020.
  6. ^ "Debabrata Goswami - Google Scholar". scholar.google.com. Retrieved 17 August 2020.
  7. ^ "Debabrata Goswami's Publons profile". publons.com. Retrieved 17 August 2020.
  8. ^ "Debabrata Goswami". www.spie.org. Retrieved 25 August 2020.
  9. ^ "Complete List | Fellows". www.spie.org. Retrieved 25 August 2020.
  10. ^ "OSA fellows of 2017". The Optical Society (OSA). Archived from the original on 7 April 2017.
  11. ^ "Europe PMC". europepmc.org. 2004. doi:10.35802/073620. Retrieved 30 August 2021.
  12. ^ "IIT Kanpur DORD International Project Listing". Archived from the original on 27 July 2018.
  13. ^ "ICO Prizes and Awards | International Commission for Optics". www.e-ico.org. Retrieved 25 August 2020.
  14. ^ "2017 OSA Fellows". Archived from the original on 7 April 2017.
  15. ^ Dinda, Sirshendu; Bandyopadhyay, Soumendra Nath; Goswami, Debabrata (20 March 2019). "Rapid programmable pulse shaping of femtosecond pulses at the MHz repetition rate". OSA Continuum. 2 (4): 1386. doi:10.1364/osac.2.001386. ISSN 2578-7519.
  16. ^ a b Hillegas, C. W.; Tull, J. X.; Goswami, D.; Strickland, D.; Warren, W. S. (15 May 1994). "Femtosecond laser pulse shaping by use of microsecond radio-frequency pulses". Optics Letters. 19 (10): 737–9. Bibcode:1994OptL...19..737H. doi:10.1364/ol.19.000737. ISSN 0146-9592. PMID 19844429.
  17. ^ Goswami, Tapas; Das, Dipak K.; Goswami, Debabrata (February 2013). "Controlling the femtosecond laser-driven transformation of dicyclopentadiene into cyclopentadiene". Chemical Physics Letters. 558: 1–7. Bibcode:2013CPL...558....1G. doi:10.1016/j.cplett.2012.10.054. ISSN 0009-2614. PMC 3790071. PMID 24098059.
  18. ^ Karthick Kumar, S. K.; Tamimi, A.; Fayer, M. D. (14 November 2012). "Comparisons of 2D IR measured spectral diffusion in rotating frames using pulse shaping and in the stationary frame using the standard method". The Journal of Chemical Physics. 137 (18): 184201. Bibcode:2012JChPh.137r4201K. doi:10.1063/1.4764470. ISSN 0021-9606. PMID 23163363.
  19. ^ Goswami, Debabrata (15 April 2002). "Laser Phase Modulation Approaches towards Ensemble Quantum Computing". Physical Review Letters. 88 (17): 177901. arXiv:quant-ph/0108061. Bibcode:2002PhRvL..88q7901G. doi:10.1103/physrevlett.88.177901. ISSN 0031-9007. PMID 12005785. S2CID 9779418.
  20. ^ Mondal, Dipankar; Mathur, Paresh; Goswami, Debabrata (2016). "Precise control and measurement of solid–liquid interfacial temperature and viscosity using dual-beam femtosecond optical tweezers in the condensed phase". Physical Chemistry Chemical Physics. 18 (37): 25823–25830. Bibcode:2016PCCP...1825823M. doi:10.1039/c6cp03093a. ISSN 1463-9076. PMID 27523570.
  21. ^ Mondal, Dipankar; Bandyopadhyay, Soumendra Nath; Goswami, Debabrata (31 October 2019). "Elucidating optical field directed hierarchical self-assembly of homogenous versus heterogeneous nanoclusters with femtosecond optical tweezers". PLOS ONE. 14 (10): e0223688. Bibcode:2019PLoSO..1423688M. doi:10.1371/journal.pone.0223688. ISSN 1932-6203. PMC 6822744. PMID 31671114.
  22. ^ Mondal, Dipankar; Goswami, Debabrata (7 October 2016). "Controlling and tracking of colloidal nanostructures through two-photon fluorescence". Methods and Applications in Fluorescence. 4 (4): 044004. Bibcode:2016MApFl...4d4004M. doi:10.1088/2050-6120/4/4/044004. ISSN 2050-6120. PMID 28192297. S2CID 23967019.
  23. ^ Singhal, Sumit; Goswami, Debabrata (2020). "Unraveling the molecular dependence of femtosecond laser-induced thermal lens spectroscopy in fluids". The Analyst. 145 (3): 929–938. Bibcode:2020Ana...145..929S. doi:10.1039/c9an01082c. ISSN 0003-2654. PMID 31820745. S2CID 209166478.
  24. ^ Singhal, Sumit; Dinda, Sirshendu; Goswami, Debabrata (19 January 2017). "Measurement of pure optical nonlinearity in carbon disulfide with a high-repetition-rate femtosecond laser". Applied Optics. 56 (3): 644–648. Bibcode:2017ApOpt..56..644S. doi:10.1364/ao.56.000644. ISSN 0003-6935. PMID 28157924.
  25. ^ Kumar, Pardeep; Goswami, Debabrata (3 December 2014). "Importance of Molecular Structure on the Thermophoresis of Binary Mixtures". The Journal of Physical Chemistry B. 118 (51): 14852–9. doi:10.1021/jp5079604. ISSN 1520-6106. PMID 25418934.
  26. ^ Goswami, Debabrata; Das, Dhiman; Nath Bandyopadhyay, Soumendra (2015). "Resolution enhancement through microscopic spatiotemporal control". Faraday Discussions. 177: 203–212. Bibcode:2015FaDi..177..203G. doi:10.1039/c4fd00177j. ISSN 1359-6640. PMID 25623778.
  27. ^ Kumar De, Arijit; Roy, Debjit; Goswami, Debabrata (2011). "Selective two-photon fluorescence suppression by ultrafast pulse-pair excitation: control by selective one-color stimulated emission". Journal of Biomedical Optics. 16 (10): 100505–100505–3. Bibcode:2011JBO....16j0505K. doi:10.1117/1.3645082. ISSN 1083-3668. PMC 3684794. PMID 22029344.
  28. ^ Yang, Weiguo; Davis, Jennifer; Goswami, Debabrata; Fetterman, Matthew; Warren, Warren S. (7 October 1998). Senior, John M.; Qiao, Chunming (eds.). "Optical-wavelength-domain code division multiplexing using an AOM-based ultrafast optical pulse-shaping approach". All-Optical Networking: Architecture, Control, and Management Issues. 3531. International Society for Optics and Photonics: 80–86. Bibcode:1998SPIE.3531...80Y. doi:10.1117/12.327047. S2CID 110491334.
  29. ^ Fetterman, Matthew; Goswami, Debabrata; Keusters, Dorine; Rhee, June-Koo; Warren, Warren S. (1998). "Generation of amplified shaped pulses for highly adiabatic excitation". In Elsaesser, Thomas; Fujimoto, James G.; Wiersma, Douwe A.; Zinth, Wolfgang (eds.). Ultrafast Phenomena XI. Springer Series in Chemical Physics. Vol. 63. Berlin, Heidelberg: Springer. pp. 24–26. doi:10.1007/978-3-642-72289-9_7. ISBN 978-3-642-72289-9.
  30. ^ "Quantum Computing - Course". onlinecourses.nptel.ac.in. Retrieved 17 August 2020.
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