Dr. Tapas Goswami

Assistant Professor - Selection Grade

BSc (Hons), PCM

MSc PCM

Ph'D (Laser Spectroscopy), IIT Kanpur

Post Doctoral Research, Stanford University, USA (2010-2011) & Michigan State University, USA (2011-2013)

 

Area of Specialization

Laser Spectroscopy

Research & Publication
Controlling the femtosecond laser-driven transformation of dicyclopentadiene into cyclopentadiene, T. Goswami, D. K. Das, D. Goswami, Chem. Phys. Lett., 558, (1), 2013.  
Differential cross sections for H + D2= HD(v’ = 2, j’ = 0,3,6,9) + D at center-of-mass collision energies of 1.25, 1.61, and 1.97 eV., Nate C.-M. Bartlett, Justin Jankunas, Tapas Goswami, Richard N. Zare, Foudhil Bouakline and Stuart C. Althorpe, Phys. Chem. Chem. Phys. 13, (8175), 2011.  
Control of laser induced molecular fragmentation of n-propyl benzene using chirped femtosecond laser pulses, T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, Chemical Physics, 360, (47) 2009.  
Probing ultrafast solution dynamics of a cyanine dye in an organic solvent interfaced with water, T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, Journal of Physical Chemistry B, 113, (16332), 2009.   
Spectrally resolved photon Echo Spectroscopy of Zn(II), Co(II), Ni(II) octaethyl porphyrins, S. K. Karthick Kumar, V. Tiwari, T. Goswami, D. Goswami, Chemical Physics Letters, 476, (31), 2009.  
Visible 20 femtosecond  pulse generation by double pass non-collinear optical parametric amplifier, S. K. Karthick Kumar, T. Goswami, I. Bhattacharyya, D. Goswami, Current Science, 96, (1496), 2009.  
Towards using molecular ions as qubits: Femtosecond control of molecular fragmentation with multiple knobs, T. Goswami, D. K. Das, D. Goswami, Pramana Journal of Physics, 75, (1065), 2010.  
Chirp and polarization Control of femtosecond molecular fragmentation, T. Goswami, D. K. Das, S. K. Karthick Kumar, D. Goswami, Indian Journal of Physics, 86, (181-185), 2012.  
Control of femtosecond laser driven retro-Diels-Alder-like reaction of dicyclopentadiene, Dipak Kumar Das, Tapas Goswami and Debabrata Goswami, Proc. SPIE, 8173, 81730 (2010); doi:10.1117/12.897909  
Electronic Coherence Mediated Quantum Control of Chemical Reactions in Polyatomic Molecules, Arkaprabha Konar, Jay D. Shah, Tapas Goswami, Yinan Shu, Benjamin Levine, Vadim V. Lozovoy, Marcos Dantus; Frontiers in Optics 2013; DOI: 10.1364/FIO.2013.FW1A.3(ISBN: 978-1-55752-987-9)  
Ultrafast solution dynamics of IR144 near the DCM-water interface, DMSO-CCl4 interface. T. Goswami, D. K. Das, D. Goswami, (in preparation).
International Conferences
Control of Laser Induced Molecular Fragmentation using Chirped Femtosecond Laser Pulses, T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, Kiran, A Bulletin of the Indian Laser Association, 20, 44-47, 2009.  
Towards Using Molecular States as Qubits, Debabrata Goswami, Tapas Goswami, S. K. Karthick Kumar, and Dipak K. Das, AIP Conf. Proc. 1384, 251-253 (2011); doi: 10.1063/1.3635869  
Encoding molecular fragments with chirped femtosecond pulses for quantum information processing, T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, Conference proceedings, AQIS’09.  
Simultaneous effect of polarization and chirp on the control of femtosecond molecular fragmentation, T. Goswami, D. K. Das, S. K. Karthick Kumar, D. Goswami, Conference proceedings, ACUP2010.  
Femtosecond Spatio-Temporal Control, Debabrata Goswami, T. Goswami, A.K. De, D. Roy, D. Das and S.K. Karthick Kumar, ICOP 2009-International Conference on Optics and Photonics, Chandigarh, India, 30 Oct. - 1 Nov. 2009  
Early optical response of fluorescent molecules studied by synthetic optically delayed pulses, Konar, Arkaprabha; Shah, Jay; Goswami, Tapas; Lozovoy, Vadim; Dantus, Marcos; American Physical Society, APS March Meeting 2012.
National Conferences
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, “probing the ultrafast excited state dynamics of IR125 dye in DCM solvent near DCM-water interface” in the “Chemical Research Society of India” held at Bangalore, India in January 2007.  
S. K. Karthick Kumar, V. Tiwari, T. Goswami, D. Goswami, “Spectrally resolved photon echo spectroscopy of Zn(II), Co(II) and Ni(II)–octaethyl porphyrins,” the The 4th International Conference on Coherent Multidimensional Spectroscopy (CMDS 2008), Fukui Institute for Fundamental Chemistry, Kyoto University, Kyoto, Japan, Aug. 27-30, 2008.  
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, poster “Control of laser induced molecular fragmentation of n-propyl benzene using chirped femtosecond laser pulses” in the conference, AISAMP8, Perth, Australia, Nov. 24-27, 2008.  
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, poster “Control of laser induced molecular fragmentation of n-propyl benzene using chirped femtosecond laser pulses” in the conference “National Laser Symposium” held at DRDO, Delhi, India in March 2009.  
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami, poster “Control of laser induced molecular fragmentation of n-propyl benzene using chirped femtosecond laser pulses” in the conference “Spectroscopy and Dynamics of Molecules and Clusters” held at The Sana Beach, west Bengal,  India in March 2009.  
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami , “Encoding molecular fragments with chirped femtosecond pulses for quantum information processing”, in the conference the 9th Asian Conference on Quantum Information Science (AQIS'09) organized by the Nanjing University of Posts & Telecommunications (NUPT), Nanjing, China, during 26 to 29 August (2009).  
T. Goswami, S. K. Karthick Kumar, A. Dutta, D. Goswami , “Probing ultrafast solution dynamics of a cyanine dye in DCM solvent interfaced with water medium”, in the conference Femto-IX, organized by Peking University, Beijing, China, during 8 to 13th August,2009.  
T. Goswami “Simultaneous effect of chirp and polarization on the control of femtosecond molecular fragmentation”, Oral presentation in CHEMFEST-09 held at Department of Chemistry, IIT Kanpur.  
T. Goswami, “Simultaneous effect of chirp and polarization on the control of femtosecond molecular fragmentation”, Oral presentation in ACUP-2010 held at National Taiwan University, Taiwan on 10th -13th Jan 2010.  
Dipak Kumar Das, Tapas Goswami, Debabrata Goswami, Control of Femtosecond Laser Driven Retro-Diels-Alder Reaction of Dicyclopentadiene, International Conference on Fiber optics and Photonics (Photonics 2010).  
Attended The 13th International Symposium of Stereodynamics of Chemical Reactions (Stereodynamics 2010), 28 Nov. - 3 Dec., 2010, Santa Cruz, California, USA.  
Tapas Goswami, Nate C.-M. Bartlett, Justin Jankunas, Richard N. Zare, Dynamics of the simplest neutral chemical reaction: H + D2 → HD + D, 13th CRSI National Symposium in Chemistry, NIESER Bhubaneswar, India, 4-6th Feb, 2011. 
Book Published 
Hot chemistry with cold molecules, T.Goswami, D. Goswami, Laser Pulse Phenomena and Applications, Book edited by: F. J. Duarte, ISBN: 978-953-307-405-4, Publisher: InTech, Publishing date: December 2010.