• Garima Bhutani, Saturday Seminar Series – "Light as Reagent and Product, 16 December 2023.

       Title: pH-Dependent Ultrafast Excited-State Dynamics of Large Stokes-Shifted Red Fluorescent Proteins (LSS RFPs)​

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• Arijit K. De, GITAM CHEMISTRY RESEARCH CONFERENCE 2023,Organised by Department of Chemistry, GITAM School of Science, GITAM, Visakhapatnam, 8 December 2023

       Title: Ultrafast Dynamics of Singlet Fission within Molecular Nano-aggregates​

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• Arijit K. De, An International Conference on  Structure and Dynamics: Spectroscopy and Scattering (SDSS-2023), IACS, Kolkata, 7 October, 2023.

      Title: Probing Photo-induced Structural Dynamics By Impulsive Stimulated Raman Spectroscopy.

 

• Sakshi Chawla, International Conference on “Molecularly Designed Functional Materials 2023 (MDFM 23)” conducted by S & T Digital, 30 September 2023.

      Title: Ultrafast Dynamics of Singlet Fission within Molecular Nano-aggregates.

 

• Arijit K. De, The 15th Femtochemistry Conference (FEMTO 15),Berlin, Germany, 4 August, 2023.

      Title: Mapping room-temperature polaron dynamics in double-perovskite nano-crystals by time-resolved impulsive        stimulated Raman spectroscopy.

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• Arijit K. De (Presented by Sakshi Chawla), The 31st International Conference on Photochemistry, Sapporo, Japan, 25 July 2023.

       Title: Mapping hot carrier relaxation mediated by low-frequency phonon modes in a lead-free double perovskite               nano-crystal.

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• Garima Bhutani, The 31st International Conference on Photochemistry, Sapporo, Japan, 24 July 2023.

       Title:Elucidating pH-dependent excited-state dynamics leading to large Stokes shift in red fluorescent protein                     mBeRFP

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• Sakshi Chawla, The 31st International Conference on Photochemistry, Sapporo, Japan, 24 July 2023.

       Title: Ultrafast Energy Transfer within Bio-inspired Light-Harvesting Supramolecular Assemblies of Chlorophyll a           and Astaxanthin

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• Sakshi Chawla, The 31st International Conference on Photochemistry, Sapporo, Japan, 24 July 2023.

       Title: Ultrafast Energy Transfer within Bio-inspired Light-Harvesting Supramolecular Assemblies of Chlorophyll a           and Astaxanthin

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

       Title: Optical Trapping with Femtosecond Pulses: Excitements, Challenges and Opportunities.

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• Arijit K. De (Presented by Sumit Yadav), Optical Manipulation and Its Applications (OMA), Optica Biophotonics Congress: Optics in    the Life Sciences, British Columbia, Canada, 26 April 2023.

      Title: Effect of optical nonlinearity in trapping dynamics of polystyrene  and silica micro-particle  under                            femtosecond pulsed excitation: A comparative study.

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• Arijit K. De, (Presented by Sumit Yadav), Optical Manipulation and Its Applications (OMA), Optica Biophotonics Congress: Optics in the Life Sciences, British Columbia, Canada, 25 April 2023.

       Title: Testing the ‘light-cone’ model to assess trapping efficiency using annular beams in geometric optics limit.

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• Arijit K. De, One Day National Seminar on Advances in Interdisciplinary Sciences for Sustainable Future, 22 March 2023, Post Graduate Government College for Girls, Sector 11, Chandigarh.

      Title: A Cross-disciplinary Approach Toward Solving the ‘Global Energy Crisis.

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• Arijit K. De, Perovskite Society of India Meet (PSIM-2023), 2 March, 2023, IIT Roorkee

      Title: Mapping Hot Carrier Relaxation Mediated by Low-Frequency Phonon Modes in a Lead-Free Double-                         Perovskite.

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• Arijit K. De, Special Lecture to mark the celebration of Science Day, 24 February 2023, MCM DAV College for Women, Sector 36-A, Chandigarh.

       Title: Freezing Molecules in Motion by Shedding Light on Them.

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• Arijit K. De, SPIE Student Chapter Talk, Department of Physical Sciences, IISER Kolkata, 6 January 2023.

        Title: Optical Trapping with Femtosecond pulses: Excitements, Challenges and Opportunities.

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• Arijit K. De, Department of Chemical Sciences, IISER Kolkata, 5 January 2023.

      Title: Raman Spectroscopy with a Twist.​

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• Shaina Dhamija, Conference on Optics, Photonics & Quantum Optics (COPaQ 2022), IIT Roorkee, India, 11 N0vember 2022.

       Title: Probing  Intramolecular  Energy and Charge Transfer using Broadband Pump-Probe Spectroscopy and                Impulsive Stimulated Raman Spectroscopy. ​​

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• Garima Bhutani, Frontiers in Optics + Laser Science (FiO + LS) ,Rochester, New York, USA, 19 October 2022.

      Title: Impulsive Stimulated Raman Spectroscopy Reveals Synergistic Effects in Binary Mixture of Deep Eutectic           Solvents and an Organic Co-solvent.​

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

      Title: Optical Trapping  with Femtosecond pulses: Excitements, Challenges and Opportunities

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

      Title: Optical trapping with femtosecond pulses: Excitements, challenges and opportunities.​

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• Arijit K. De, Interdisciplinary Initiative in Chemical Sciences (IICS) 2022 Agra Uttar Pradesh India, July 28-31, 2022.

     Title: Elucidating excited-state dynamics of  mKeima: Hidden conformers and stepwise versus concerted                           isomerization and proton transfer.

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• Shaina Dhamija, International Symposium on Molecular Spectroscopy, University of Illinois, Urbana-Champaign, USA, 21st June 2022.

       Title: Real-Time Tracking of Coherent Vibrational Motion in Ground and Excited Electronic States.​

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• Shaina Dhamija, Dr. K. V. Rao Scientific Society Research Awards 2021-2022, India, 18th June 2022.

       Title: 'A Revisit on Impulsive Stimulated Raman Spectroscopy: Importance of Spectrally Dispersed Chirped                     Broadband Probe'.

 

• Arijit K. De, Chemical Sciences Symposium, IIT Mandi, India, 23rd May 2022.

       Title: 'Unravelling competing twisting and isomerization pathways in a push-pull stilbene'.

       

• Garima Bhutani, ACS Spring 2022: Bonding through Chemistry, San Diego, USA, 24 March, 2022.

      Title: 'Unravelling the mechanism of reverse protonation in mKeima: Multiple conformers and their ultrafast                  excited-state dynamics'.

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• Sumit Yadav, SPIE Photonics West, 2022, Complex Light and Optical Forces XVI, San Francisco, USA, January, 2022.

        Title:  'Generalized Lorenz-Mie theory of nonlinear optical trapping of core/shell hybrid nanoparticles'.

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• Shaina Dhamija, Light-matter Interactions from scratch: Theory and Experiments at the Border with Biology, Trieste (Italy), 23rd November 2021.

       Title: 'Real-time tracking of coherent vibrational motion in ground and excited electronic states: Implications in          biology'.

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• Arijit K. De, 7th Theme Meeting on Ultrafast Science-2021 (UFS-2021), India:13 November, 2021.

       Title: 'Tracking origin of ultrafast vibrational coherences in condensed phase by 'spectrally dispersed' impulsive          stimulated Raman scattering'.

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• Arijit K. De, Saturday seminar series- "Light as a Reagent and Product"  India:06 November, 2021.

        Title: 'A tutorial on coherent multidimensional spectroscopy'.

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• Arijit K. De, Spectroscopy and Dynamics of Molecules and Clusters 2021 (SDMC) webinar, India:09 October, 2021.

       Title: 'A systematic method to disentangle vibrational coherences in ground and excited electronic states                           followed by non-resonant/resonant impulsive excitation'.

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• Garima Bhutani, Physical Chemistry Physical Biology 2021 (PCPB) webinar, India: 26 September, 2021.

        Title: 'Deciphering the role of local environment on reverse protonation mechanism involved in conformational             change and excited state dynamics in mKeima'.

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• Arijit K. De, Physical Chemistry Physical Biology 2021 (PCPB) webinar, India: 26 September, 2021.

       Title: 'New Insights into Ultrafast Excited State Relaxation Dynamics in Tricarbocyanine Dyes: Two-Dimensional         Electronic Spectroscopy and Time-Resolved 'Spectrally Dispersed' Impulsive Stimulated Raman Scattering.​

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• Sumit Yadav, OSA Nonlinear Optics Topical Meeting 2021 (Webinar), 11 August, 2021.

       Title:  'Nonlinear Optical Trapping Dynamics Studied With Simultaneous Spatial and Temporal Resolution'.​​

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• Arijit K. De, School of Physics (SPS) Webinar, JNU, New Delhi, India.: 28  July, 2021.

       Title: 'Optical trapping with femtosecond pulses: Excitements, challenges and opportunities'.

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• Anita Yadav International Conference on Photochemistry 2021 (ICP) webinar, Geneva, Switzerland: 23 July, 2021.

       Title: 'Ultrafast Solvation Dynamics of Deep Eutectic Solvents using Spectrally resolved Degenerate Pump-Probe          Spectroscopy'.

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• Arijit K. De, International Conference on Photochemistry 2021 (ICP) webinar, Geneva, Switzerland: 21 July, 2021.

       Title: 'Confinement-driven ultrafast singlet fission dynamics in TIPS-Pentacene'.

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• Arijit K De, Optical Manipulation and Its Applications, OSA Biophotonics Congress: Optics in the Life Sciences 2021, 14 April 2021.

      Title: 'Optical trapping dynamics under femtosecond pulsed excitation: A comparative study with particles of                  different sizes'.

​​​

• Arijit K. De, Science Day (webinar), BITS PILANI, Hyderabad, India: 01 March, 2021. 

       Title: 'Witnessing choreography of molecules by shedding light on them'.

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• Yogita Silori, Chem Day 2020 (Chemistry at the Interface of Light, Matter and Life), IISER Mohali, India. 17 October 2020.

        Title: 'Water-mediated excess energy dissipation within photosynthetic light- harvesting mimics'.

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• Arijit K. De, Frontiers in Optics / Laser Science, OSA Technical Digest (Optical Society of America, 2020)Washington, DC United States, 15 September, 2020

       Title: 'Nonlinear laser tweezer: Escape potential'.

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• Arijit K. De, Faculty Development Program (webinar) at UIET (Panjab University), India; 04 August, 2020.

       Title: 'Freezing molecules in motion by shedding light on them'.

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• Yogita Silori, Physics Scholars' Day, IISER Mohali, India; 29 February, 2020.

      Title: 'Ultrafast solvation dynamics probed by pump-probe spectroscopy and two- dimensional electronic                          spectroscopy.​

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• Arijit K. De, IIT Mandi, India; 16 March, 2020.

       Title: 'Ultrafast dynamics of near-infrared dyes probed by Two-dimensional electronic spectroscopy (2DES)'.

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• Yogita Silori, 29th International Conference on Photochemistry (ICP-2019), University of Colorado Boulder, USA; 21-27 July, 2019,

      Title: ‘Unravelling the role of water in ultrafast excitation energy transfer within nano-architectures of                              Chlorophyll a’.  

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• Arijit K. De, Daejeon, South Korea; 26 June, 2019.

      Title: 'Unravelling the role of water in ultrafast excitation energy transfer within nano-architectures of                              Chlorophyll a'.

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• Shaina Dhamija, North west SSD, MNIT Jaipur; 16-18 March, 2018.

       Title: 'Photoinduced phenomenon in fluorescent proteins: Implications in photosynthesis'.

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•  Arijit K. De, Trivandrum, India; 11 January, 2018.

       Talk title: 'Probing excited state dynamics of Venus: Origin of dual emission in fluorescent proteins'. 

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• Yogita Silori, Inter IISER & NISER Chemistry Meet (IINCM-2017), NISER Bhubaneswar, India; December 22-24, 2019.

       Talk title: ‘Environmental effects on motion of molecular systems: Implication in excitonic energy transfer’.

 

• Anita Devi, ICAOP-2017, GJU University, Hisar, India; 23-26 November, 2017.

       Title: 'Optical trapping with femtosecond laser'.

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• Arijit K. De, JNU, India; 7 November, 2017.

       Title: 'Ultrafast dynamics of primary processes in photosynthesis'.

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• Arijit K. De, IIT Mandi, India; 10 October, 2017.

       Title: 'Dynamics of light harvesting: From ensemble measurements towards single particle spectroscopy'.

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• Arijit K. De, BITS-Pilani, India; 18 March, 2017.

       Title: 'Probing Ultrafast Energy Transfer Dynamics: From Ensemble to Single Particle Measurements'.

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• Arijit K. De, IISER Bhopal, India; 22 January, 2017.

       Title: 'Probing picosecond solvation dynamics using fluorescent probes with very small Stokes shift'.

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• Arijit K. De, IIT Kanpur, India; 7 December, 2016.

      Title: 'Generalized Lorentz-Mie theory of optical Kerr effect in femtosecond laser trapping of dielectric                                nanoparticles'.

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• Anita Devi, ICLLT-2016, Tezpur University, Tezpur, India; 26-28 November 2017.

       Title: 'Theoretical investigation on optical Kerr effect in femtosecond laser trapping of dielectric microspheres'.

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• Arijit K. De, BARC, Mumbai, India; 26 November 2016.

       Title: 'Ultrafast Energy Transfer Dynamics within Aggregates: From Ensemble Measurements to Single Particle           Probing'.

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• Anita Devi, Workshop on Laser Technology-2017, GJU University, Hisar, India; 2-3 March 2016.

       Title: 'Optical trapping with femtosecond laser'.

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• Arijit K. De, Dept. of Physics of Energy Harvesting, National Physical Laboratory (NPL), Delhi, India;16 March, 2015.

       Title:'Quantum Secrets of Light Harvesting: From Photosynthetic Systems to Solar Cells'.

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• Arijit K. De,Towards a spatio-temporal approach, Radiation & Photochemistry Division, BARC, Mumbai, India;19 March, 2014.

       Talk title: 'Probing ultrafast coherent dynamics by incoherent fluorescence detection'.