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Group Leader

Home / Team / Group Leader: Dr. Arijit K. De

Education:

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  • PhD (2010): Dept. of Chemistry, IIT Kanpur, UP, India. Advisor: Prof. Debabrata Goswami

    • Thesis dissertation: Spatio-temporal control in laser-scanning fluorescence microscopy

                and optical trapping

  • MSc (2005): Dept. of Chemistry, IIT Kanpur, UP, India.

    • Project title: Ultrafast pulse shaping

  • BSc (2003): Dept. of Chemistry, Ramakrishna Mission Residential College Narendrapur, 

       University of Calcutta, WB, India.

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Employment:

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  • 2020 to present: Associate Professor, Dept. of Chemical Sciences, IISER Mohali, PB, India. 

  • 2014 to 2020: Assistant Professor, Dept. of Chemical Sciences, IISER Mohali, PB, India. 

  • 2010 to 2014: Postdoc, Physical Biosciences Division, Lawrence Berkeley National Laboratory and Dept. of Chemistry, University of California Berkeley, CA, USA. Advisor: Prof. Graham R. Fleming

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Other academic positions:

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  • 2010 (May-Aug): Senior Project Scientist, Dept. of Chemistry, IIT Kanpur, India. Supervisor: Prof. Debabrata Goswami

  • 2009 (Jan): Visiting Fellow, Dept. of Chemistry, University of California, Berkeley. Host: Prof. Richard A. Mathies

  • 2005 (May-July): Project Associate, Dept. of Chemistry, IIT Kanpur, India. Supervisor: Prof. Debabrata Goswami

  • 2004 (May-July): JNCASR Summer Research Fellow, Molecular Biophysics Unit, IISC, Bangalore, India. Supervisor: Prof. P. Balaram

    • Project title: Mass Spectrometric Assay of Plasmodium falciparum Silent Information Regulator 2 (SIR2)

  • 2003 (Dec): Winter project: Ramakrishna Mission Residential College Narendrapur, Kolkata, India. Supervisor: Dr. Prasanta Ghosh 

    • Project title: Synthesis of Novel Transition metal Compounds with Stabilized Organic Radical Ligands

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Memberships of professional bodies:

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Select awards & fellowships:

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  • Presider of Session on "Dynamics of Complex Systems" at the International Conference on Ultrafast Phenomena-2022; Montréal Quebec, Canada; 18-22 July, 2022.

  • International Travel Support, INSA, India: 06/06/2022. (No. SS/INSA/2022/60)

  • International Travel Support, DST, India: 05/07/2017 (Application No. ITS/Off-502/2017-18)

  • International Travel Support, INSA, India: 04/07/2017. (No. SS/INSA/2017/758)

  • Early Career Research (ECR) Award, SERB, DST, India: 31/05/2016 (Award No. ECR/2016/000467)

  • Chemist Postdoctoral Fellowship, Physical Biosciences Division, Lawrence Berkeley National Laboratory, CA, USA: 2010-2014

  • Best Student Poster, SPIE Photonics West 2010, San Francisco, CA, USA: 2010

  • Foreign Travel Grant, CSIR, India: 19/06/2009 (Ref. No: TG/4148/09-HRD)

  • Best Poster Award, SPIE Photonics West 2009, San Jose, CA, USA: 29/01/2009

  • Photonics 2004 Endowment Prize, Photonics 2008, New Delhi, India: 17/12/2008

  • International Travel Support, DST, India: 04/08/2008 (File No.: SR/ITS/01459/2008-2009)

  • Foreign Travel Grant, CSIR, India: 02/07/2008 (Ref. No: TG/3321/08-HRD)

  • Foreign Travel Grant, CSIR, India: 24/08/2007 (No. TG/2747/07-HRD)

  • CSIR Senior Research Fellowship (SRF), India: 2007-2010.

  • CSIR Junior Research Fellowship (JRF) (secured among the top 20% awardees in National Eligibility Test (NET)), India: 2005-2007.

  • Graduate Aptitude Test in Engineering (GATE) (All India Rank: 237), India: 2005

  • Merit-Cum-Means (MCM) Scholarship (3rd & 4th semester in MSc) IIT Kanpur, India: 2004-2005.

  • Summer Research Fellowships, SRFP, JNCASR, Bangalore, India: 2004.

  • National Scholarship for BSc in Chemistry (Rank: 53), India: 14/09/2007

  • Jagadish Bose National Science Talent Search award, JBNSTS, Kolkata, India:  19/12/2000

  • National Scholarship for 10th grade exam 1997 (Rank: 69) WBBSE, WB, India: 24/04/2000

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Select oral presentations:

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  • Ultrafast Dynamics of Singlet Fission within Molecular Nano-aggregates. GITAM CHEMISTRY RESEARCH CONFERENCE 2023,Organised by Department of Chemistry, GITAM School of Science, GITAM, Visakhapatnam, 8 December 2023

  • Probing Photo-induced Structural Dynamics By Impulsive Stimulated Raman Spectroscopy.  An International Conference on  Structure and Dynamics: Spectroscopy and Scattering (SDSS-2023), IACS, Kolkata, 7 October, 2023.

  • Probing Photo-induced Structural Dynamics By Impulsive Stimulated Raman Spectroscopy. An International Conference on  Structure and Dynamics: Spectroscopy and Scattering (SDSS-2023), IACS, Kolkata, 7 October, 2023.

  • Mapping room-temperature polaron dynamics in double-perovskite nano-crystals by time-resolved impulsive   stimulated Raman spectroscopy.  â€‹The 15th Femtochemistry Conference (FEMTO 15),Berlin, Germany, 4 August, 2023.

  • Optical Trapping with Femtosecond Pulses: Excitements, Challenges and Opportunities,  Indo French Workshop on Disruptive Nanophotonics, CSIR-CSIO Chandigarh, India, 14 June 2023.

  • Effect of optical nonlinearity in trapping dynamics of polystyrene  and silica micro-particle  under  femtosecond pulsed excitation: A comparative study,  Optical Manipulation and Its Applications (OMA), Optica Biophotonics Congress: Optics in    the Life Sciences, British Columbia, Canada, 26 April 2023.                          

  • Testing the ‘light-cone’ model to assess trapping efficiency using annular beams in geometric optics limit,  Optical Manipulation and Its Applications (OMA), Optica Biophotonics Congress: Optics in the Life Sciences, British Columbia, Canada, 25 April 2023.

  • A Cross-disciplinary Approach Toward Solving the ‘Global Energy Crisis, , One Day National Seminar on Advances in Interdisciplinary Sciences for Sustainable Future, Post Graduate Government College for Girls, Sector 11, Chandigarh.22 March 2023.

  • Mapping Hot Carrier Relaxation Mediated by Low-Frequency Phonon Modes in a Lead-Free Double Perovskite, Perovskite Society of India Meet (PSIM-2023), , IIT Roorkee 2 March, 2023.                        

  • Freezing Molecules in Motion by Shedding Light on Them, Special Lecture to mark the celebration of Science Day, , MCM DAV College for Women, Sector 36-A, Chandigarh 24 February 2023

  • Optical Trapping with Femtosecond pulses: Excitements, Challenges and Opportunities, SPIE Student Chapter Talk, Department of Physical Sciences, IISER Kolkata, 6 January 2023.

  • Raman Spectroscopy with a Twist, Department of Chemical Sciences, IISER Kolkata, 5 January 2023.

  • Optical Trapping  with Femtosecond pulses: Excitements, Challenges and Opportunities, , 7th Annual International Student Conference on Optics and Photonics (SCOP-2022), Physical Research Laboratory, Ahmedabad 28-30 September 2022.

  • Optical trapping with femtosecond pulses: Excitements, challenges and opportunities.13th International Conference Series on Laser-light and Interactions with Particles (LIP-2022), Warsaw Poland, August 21-26, 2022.

  • Elucidating excited-state dynamics of  mKeima: Hidden conformers and stepwise versus concerted isomerization and proton transfer. Interdisciplinary Initiative in Chemical Sciences (IICS) 2022 Agra Uttar Pradesh India, July 28-31, 2022.

  • Unravelling competing twisting and isomerization pathways in a push-pull stilbene, Chemical Sciences Symposium, IIT Mandi, India, 23rd May 2022.

  • Tracking origin of ultrafast vibrational coherences in condensed phase by 'spectrally dispersed' impulsive stimulated Raman scattering,7th Theme Meeting on Ultrafast Science-2021 (UFS-2021), India; 13 November, 2021.

  • A tutorial on coherent multidimensional spectroscopy, Saturday seminar series- "Light as a Reagent and Product", India; 06 November, 2021.

  • A systematic method to disentangle vibrational coherences in ground and excited electronic states followed by non-resonant/resonant impulsive excitation, Spectroscopy and Dynamics of Molecules and Clusters 2021 (SDMC) webinar, India; 09 October, 2021.​

  • New Insights into Ultrafast Excited State Relaxation Dynamics in Tricarbocyanine Dyes: Two-Dimensional Electronic  Spectroscopy and Time-Resolved 'Spectrally Dispersed' Impulsive Stimulated Raman Scattering, Physical Chemistry Physical Biology 2021 (PCPB) webinar, India; 26 September, 2021. 

  • Optical trapping with femtosecond pulses: Excitements, challenges and opportunities, School of Physics (SPS) Webinar, JNU, New Delhi, India; 23 July, 2021.

  • Confinement-driven ultrafast singlet fission dynamics in TIPS-Pentacene, International Conference on Photochemistry 2021 (webinar), Geneva, Switzerland; 21 July 2021.

  • Optical trapping dynamics under femtosecond pulsed excitation: A comparative study with particles of different sizes, Optical Manipulation and Its Applications, OSA Biophotonics Congress: Optics in the Life Sciences (webinar), 14 April, 2021.

  • Nonlinear laser tweezer: Escape potential, Frontiers in Optics / Laser Science, OSA Technical Digest (Optical Society of America, 2020)Washington, DC United States, 15 September, 2020.

  • Ultrafast dynamics of near-infrared dyes probed by Two-dimensional electronic spectroscopy (2DES), IIT Mandi, India; 16 March, 2020.

  • Unravelling the role of water in ultrafast excitation energy transfer within nano-architectures of Chlorophyll a, Daejeon, South Korea; 26 June, 2019.

  • Harnessing optical nonlinearity to control trapping dynamics of dielectric and plasmonic nanoparticles, Chennai, India; 28-31 January, 2019.

  • Dynamics of dielectric particles inside a nonlinear optical trap, Shimla, India; 23-25 May, 2018.

  • Spectroscopy and dynamics of xanthenes and their aggregates: From solvation to energy transfer, Dooars, India; 15-18 February, 2018.

  • Probing excited state dynamics of Venus: Origin of dual emission in fluorescent proteins, Trivandrum, India; 11 January, 2018.

  • Dynamics of light harvesting probed by ultrafast spectroscopy, IIT Madras, India; 8 December, 2018.

  • Ultrafast dynamics of primary processes in photosynthesis: From quantum coherence to photo-protection, JNU, India; 7 November, 2017.

  • Dynamics of light harvesting: From ensemble measurements towards single particle spectroscopy, IIT Mandi, India; 10 October, 2017.

  • Probing Ultrafast Energy Transfer Dynamics: From Ensemble to Single Particle Measurements, BITS-Pilani, India; 18 March, 2017.

  • Probing picosecond solvation dynamics using fluorescent probes with very small Stokes shift, IISER Bhopal, India; 22 January, 2017.

  • Generalized Lorentz-Mie theory of optical Kerr effect in femtosecond laser trapping of dielectric nanoparticles, IIT Kanpur, India; 7 December, 2016.

  • Ultrafast Energy Transfer Dynamics within Aggregates: From Ensemble Measurements to Single Particle Probing, BARC, Mumbai, India; 26 November 2016.

  • Quantum Secrets of Light Harvesting: From Photosynthetic Systems to Solar Cells; Dept. of Physics of Energy Harvesting, National Physical Laboratory (NPL), Delhi, India, Host: Dr Mahesh Kumar; 16 March, 2015.

  • Probing ultrafast coherent dynamics by incoherent fluorescence detection: Towards a spatio-temporal approach, Radiation & Photochemistry Division, BARC, Mumbai, India, Host: Prof Dipak K Palit; 19 March, 2014.

  • Easy implementation of two-dimensional fluorescence-detected coherent spectroscopy (2DFDCS) with regular non-collinear beam geometry; Dept of Chemistry, Massachusetts Institute of Technology, MA, USA, Host: Prof Keith A. Nelson; 30 September, 2014.

  • Exploring the Dynamics in Optical Microscopes and Optical Tweezers: A Spatiotemporal Approach; Dept. of Physics, IISER Kolkata, India, Host: Prof Prashant P. Panigrahi; 29 January, 2010.

  • Spatio-Temporal Control in Laser-Scanning Fluorescence Microscopy and Optical Trapping; National Laser Symposium, BARC, Mumbai, India; 16 January, 2010.

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Select conferences attended:

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  • NATIONAL WORKSHOP ON FLUORESCENCE AND RAMAN SPECTROSCOPY (FCS XIV) IISER Mohali, 09-15 December 2023.

  • Gitam Chemistry Research Conferences 2023, Organised by Department of Chemistry, GITAM School of Science, GITAM, Visakhapatnam, 7th December to 9th December 2023.

  • An International Conference on  Structure and Dynamics: Spectroscopy and Scattering (SDSS-2023), IACS, Kolkata, 5 to 8 October, 2023. ​

  •  The 15th Femtochemistry Conference (FEMTO 15), Berlin, Germany 30 July- 4 August 2023. 

  • Indo French Workshop on Disruptive Nanophotonics, CSIR-CSIO Chandigarh, India, 14-16 June 2023.

  • Optica Biophotonics Congress: Optics in the Life Sciences, virtual web conference, 23-27 April 2023.

  • Perovskite Society of India Meet (PSIM-2023),  IIT Roorkee 1-3 March, 2023

  • 7th Annual International Student Conference on Optics and Photonics (SCOP-2022),  Physical Research Laboratory, Ahmedabad 28-30 September 2022.

  • 13th International Conference Series on Laser-light and Interactions with Particles (LIP-2022),Warsaw Poland, August 21-26, 2022.

  • International Conference on Ultrafast Phenomena-2022; Montréal, Quebec, Canada; 18-22 July, 2022.

  • 7th Theme Meeting on Ultrafast Science-2021 (UFS-2021); India; 12-14 November, 2021.

  • Physical Chemistry Physical Biology 2021 (PCPB) webinar; India; 24-28 September, 2021. 

  • International Conference on Photochemistry 2021 (webinar); Geneva, Switzerland; 19-23 July 2021.

  • Optical Manipulation and Its Applications, OSA Biophotonics Congress: Optics in the Life Sciences (webinar); 12-16 April, 2021.

  • Frontiers in Optics / Laser Science, OSA Technical Digest (Optical Society of America, 2020); Washington DC, United States, 14-17 September, 2020.

  • DAE-BRNS Theme meeting on Ultrafast Sciences (UFS 2019); IIT Bombay, India; 7-9 November, 2019.

  • International Workshop on Terahertz Technologies (IWTT-2019); IIT Delhi, India; 20-21 September, 2019.

  • 5th International Conference on Ultrafast Structural Dynamics (ICUSD 2019); Daejeon, South Korea; 25-28 June, 2019.

  • 16th Discussion meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC); Shimla, India; 21-24 February, 2019.

  • Dynamics at the Interface of Chemistry and Biology (DICB-2019). February18-20,2019. IISC, Bangalore, India.

  • 5th International Conference on Nanoscience and Nanotechnology (ICONN-2019); SRM Institute of Science and Technology (SRM IST- formerly known as SRM University), Chennai, India; 28-31 Jan, 2019.

  • 9th International Conference on Coherent Multidimensional Spectroscopy (CMDS 2018); Seoul, South Korea; 25-29 June, 2018.

  • 5th Soft-Matter: Young Investigators Meeting (SM-YIM); Shimla, India; 23-25 May, 2018.

  • 15th Discussion meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC); Dooars, India; 15-18 February, 2018.

  • Faraday Discussion on Photoinduced processes in Nucleic Acids and Proteins; Trivandrum, India; 11-13 January, 2018.

  • Conference on Spectroscopy of Emerging Functional Materials; IIT Mandi, India; 9-10 October, 2017.

  • 11th Gordon Research Conference on Quantum Control of Light and Matter; MA, USA; 6-11 August, 2017.

  • North West Meeting on Spectroscopy, Structure and Dynamics, BITS-Pilani, India; 18-19 March, 2017.

  • Inter IISER Chemistry Meet 2017 (IICM 2017), IISER Bhopal, India; 20-22 January, 2017.

  • Photonics-2016, IIT Kanpur, India; 4-8 December, 2016.

  • DAE-BRNS Theme Meeting on Ultrafast Science-2016 (UFS-2016), BARC, Mumbai, India; 24-26 November 2016.

  • 17th International Congress on Photosynthesis Research, Maastricht, the Netherlands; 7-12 August 2016.

  • 18th CRSI National Symposium in Chemistry (including 10th CRSI-RSC Symposium), Panjab University, Chandigarh, India; 4-7 February, 2016.

  • 13th DAE-BRNS Biennial Trombay Symposium on Radiation & Photochemistry (including 6th Asia-Pacific Symposium on Radiation Chemistry), BARC, Mumbai, India; 4-9 January, 2016.

  • 9th Gordon Research Conference on Quantum Control of Light and Matter; MA, USA; 2013.

  • 9th DAE-BRNS National Laser Symposium; Mumbai, India; 2010.

  • 7th Gordon Research Conference on Quantum Control of Light and Matter; MA, USA; 2009.

  • 7th European Biophysics Congress; Genoa, Italy; 2009.

  • Frontiers in Chemical Biology 2009; Bangalore, India; 2009.

  • Fluorescence 2009; Mumbai, India; 2009.

  • 6th Spectroscopy & Dynamics of Molecules & Clusters; Mandarmani, India; 2009.

  • Multiphoton Microscopy in the Biomedical Sciences IX, SPIE Photonics West 2009; San Jose, USA; 2009.

  • FASTQUAST Summer School on “Basics on Quantum Control”; Corsica, France; 2008.

  • 5th Spectroscopy & Dynamics of Molecules & Clusters; Mahabalipuram, India; 2008.

  • 5th International Workshop on Optimal Control of Quantum Dynamics: Theory and Experiments; Ringberg, Germany; 2007.

  • DST-DFG Frontiers in Chemistry: An Indo-German Symposium; IIT Kanpur, 26-28 October, 2007.

  • 4th Spectroscopy & Dynamics of Molecules & Clusters; Corbett National Park, India; 2007.

  • DST SERC School on Ultrafast Studies; by the School of Physics, University of Hyderabad; July 2006. 

  • International Conference on Quantum Computation; IIT Kanpur, India; 2006.

  • DST One-day Satellite Symposium on DNA Double-helix to Genomics: Disease in Perspective; IICB, Kolkata; 21 February, 2003.

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Scientific meetings organized:

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  • Member, organizing committee: One-day virtual meeting on the theme “Chemistry at the Interface of Light, Matter and Life” on the event of Chem Day 2020, IISER Mohali,17 October,2020.

  • Member, organizing committee: 1st CRIKC Chemistry Symposium (CCS-2019), IISER Mohali, 2-3 November, 2019.

  • Convener: 16th Discussion meeting on Spectroscopy and Dynamics of Molecules and Clusters (SDMC-2019); Shimla, India; 21-24 February, 2019.

  • Co-convener: 24th National Conference on Liquid Crystals (NCLC-2017), IISER Mohali, 11- 13 October 2017.

  • Member, organizing committee: 18th CRSI National Symposium in Chemistry (NSC-18), INST Mohali and Punjab University, Chandigarh, 4-7 February, 2016.

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Teaching/tutoring experience

Outreach and other activities

List of publications before joining IISER Mohali

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