About me

Personal details:

Sex: Male

Age: 36

Nationality: Indian

Marital Status: Married

Languages: Bengali, English, Hindi

Educational Qualification:

Ph.D. in Physics, Indian Institute of Science Education and Research (IISER) -Kolkata, India (2009-2015).

M.Sc. in Physics, Indian Institute of Technology (IIT) –Kharagpur, West Bengal, India (2006 to 2008).

B.Sc. in Physics (Honours) University of Calcutta, West Bengal, India (2002 to 2005).

Professional Career:

• Assistant Professor, Balurghat College (Govt. Sponsored) affiliated to the University of Gour Banga, India (07/01/2020-present).

• Postdoctoral Fellow (Marie Sklodowska Curie Action- COFUND), Technische Universitat Dortmund, Germany (01/10/2019-31/12/2019).

• Postdoctoral Researcher, University of Tsukuba, Japan (16/10/2015-16/08/2019).

• Post-MSc. Research Assistant, ACRHEM, University of Hyderabad, India (11/2008-5/2009).

Research experience:

1. 1st October-31 December 2019, FP-RESOMUS Postdoctoral Fellow (Marie Sklodowska Curie Action- COFUND)

Experimentelle Physik 2, Technische Universitat Dortmund, Germany.

Advisor: Prof. Manfred Bayer

Research: Pump-probe-spectroscopy studying elementary excitations in soft and hard matter.

2. 1st April 2018-16 August 2019, Postdoctoral Researcher (under JSPS-KAKENHI project)

Division of Applied Physics, University of Tsukuba, Japan.

Advisor: Prof. Muneaki Hase

Research: Investigation of Weyl semimetal phase in Bi1−xSbx alloy using nonlinear ultrafast spectroscopy.

Research: Selective probing of surface phonon and spin dynamics in topological insulators (TIs) monitored by the time-resolved optical second harmonic generation (SHG).

3. 16 October 2015 - 31 March 2018, Postdoctoral Researcher (under JST-CREST project)

Division of Applied Physics, University of Tsukuba, Japan.

Advisor: Prof. Muneaki Hase

Research: Investigation of phonon and spin dynamics in topological insulators (TIs) and chalcogenide superlattice [(GeTe)2(Sb2Te3)l]n.

4. 1st June - 31 July 2011, Visiting Ph.D. Researcher

Department of Physics, Georg-August-University of Gottingen, Germany.

Advisor: Prof. Markus Munzenberg

Research: Reflectivity and spin demagnetization dynamics of manganite LSMO.

5. Nov. 2008 - May 2009, Post M.Sc. Researcher

ACRHEM, University of Hyderabad, India

Advisor: Dr.Anil Kumar Chaudhary

Research: A theoretical work on phase matching calculation in BBO and ZnGeP2 crystal for generating second harmonic generation (SHG).

6. 2007-2008, MSc. Final Year Project: Dept. of Physics and Meteorology, IIT-Kharagpur.

Titled of the project: Intracavity Second Harmonic Generation using Q-switch Nd: YAG Laser.

Advisor: Prof. Prasanta Kumar Datta.

Scholarships/Achievements/Awards:

• Recipient of the prestigious FP-RESOMUS Marie Sklodowska-Curie Action -COFUND Postdoctoral Fellowship (Nov. 2019- Oct. 2021)

• Received International Travel Support (ITS) by Science and Engineering Research Board (SERB), DST of India, for attending the NOEKS conference, Bremen, Germany (2014).

• Senior Research Fellowship for pursuing Ph.D. by the Ministry of Human Resource Development (MHRD), Govt. of India (Feb. 2012 - July 2015).

• Junior Research Fellowship for pursuing PhD by the Ministry of Human Resource Development (MHRD), Govt. of India (July 2009 - Jan. 2012).

• Recipient of the G-KOSS (Gottingen Kolkata Open-Shell Systems) collaborative Research Scholarship, University of Gottingen, Germany (June - July 2011)

• Awarded Merit-Cum-Means (MCM) scholarship, IIT-Kharagpur.

• Qualified GATE (Graduate Aptitude Test in Engineering) in Physical Sciences conducted by MHRD, (2009).

• Qualified TIFR Test for PhD in Physics, (2008).

• Qualified IIT-JAM for M.Sc. in Physics. All India Rank 79, (2006).

Academic and Administrative Service Rendered:

At Balurghat College:

• Member of Admission Committee, Balurghat College, August 2021 to present.

• Member of Annual Quality Assurance Report (AQAR), Balurghat College, March 2021 to present.

• Representative of the reception committee for NAAC Peer Team visit 19-20 February 2021, BalurghatCollege.

• Member of Library Advisory Committee, Balurghat College, Feb. 2020 to present.

• Invigilation duty for Semester-I Exam (Hons./Gen)-2019 of the University of Gour Banga at Balurghat College, February 2020.

At The University of Gour Banga (UGB):

• Appointed as a Question Paper Setter of Physics Hons Paper for the years 2020, 2021, 2022.

• Appointed as an Examiner of Physics Hons/Gen Paper for the years 2020, 2021.

Expertise and Hand-on Experience:

Experimental:

1. Hands-on experience on femto-second oscillator: Spectra-Physics Tsunami laser system, KM (Kapteyn-Murnane) laser system, Coherent Laser system, 1 GHz and 10 GHz laser system (Taccor Laser Quantum).

2. Pump-probe technique based on asynchronous optical sampling (ASOPS) using two independent laser oscillators having different pulse repetition rates of 1 GHz and 10 GHz (Taccor Laser Quantum).

3. Actively involved in setting up a time-resolved optical second harmonic generation (Tr-OSHG) for selective probing of surface phonon and spin dynamics.

4. Engaged in setting up a time-resolved Optical Kerr effect(Tr-OKE) setup suitable for studying spin dynamics in 2D quantum materials.

5. Working experience on a time-resolved magneto-optical Kerr effect (Tr-MOKE) at Georg-August-Universitat Gottingen, Germany.

6. Designed and built low-temperature degenerate pump-probe reflectivity setup, Z-scan setup, Photoluminescence (PL) spectroscopy setup, and Excitation correlation Spectroscopy (ECS) setup at IISER-K in my Ph.D. tenure.

7. Actively involved in setting up Ultrafast Spectroscopy laboratory from the scratch at IISER-K in my PhD tenure.

Computer Skills:

• ORIGIN, IGOR-PRO, MATLAB, and LABVIEW.

• MS-Office, Latex, Winspec

HRDC-UGC Programme attended:

1. Faculty Induction Programme (FIP), 03Aug.-02Sept.2021, Tezpur University.

2. Refresher Course in Material Science and Nanotechnology, conducted from 24th September – 8th October 2021, North-Eastern Hill University, Shillong.

3. Faculty Induction Programme (FIP), 02-22 November.2021, Mizoram University.

4. Participated in the one day workshop on Thematic Popularization of NEP 2020, 2nd November 2021, Mizoram University.