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Research and Development


Royal School of Applied & Pure Sciences (RSAPS)

Department of Physics

Thrust areas of Research

  • Dr. Devika Phukan: Photonics, and Optical communication
  • Dr. Sujata Deb: Nanomaterials and devices
  • Dr. Sankar Barman: Application of Semiconductor in Solar Cell,Renewable energy and product development.
  • Dr. Bornali Chetia: Atmospheric and Space Physics
  • Dr. Gitanjal Deka: Nanoparticle synthesis, Optical Microscope.
  • Dr. Sanchita Roy: Nanophotonics, Biophotonics, Light scattering instrumentation and Quantum optics.
  • Dr. Maidul Islam: Terahertz Photonics


Instruments and Facilities

Give the Pictures, Make and Model numbers etc of the instruments of the department and also if any instrument the department is sharing with the other departments.

imgPN Junction kit
imgHall probe apparatus
imgDouble distilliation of water
imgPlanck’s constant kit
imgNewton’s ring apparatus
imgStefan’s constant kit
imgPhotodiode characteristics apparatus
imgDiode laser
imgSextant device
imgFabry-perot interferometer
imgMichelson interferometer
imgB-H curve apparatus
imgCharging and discharging of capacitor
imgLattice dynamics kit

Projects :

# Name of the PI Title of the project Name of the funding agency Duration
1 Dr. Maidul Islam(PI)
Assistant Professor
img
Exploring parity-time symmetry effect in meta-surfaces for terahertz photonics SERB Core Research Grant of Rs. 2674892/- 3 years

Ph.D Details of Physics Dept. RSAPS :


# Picture Name of the student Title of the Thesis Name of the supervisor
1imgPranami SarmaSimulations of Soliton Transmission in optical fibre for long distance optical communication. [Thesis submitted]Dr. Devika Phukan
2imgPriyanka TalukdarStudy of the variation and analysis of optical pulses in optical communication medium by simulation. [Thesis submitted]Dr. Devika Phukan
3imgMr. Arup SaikiaAnalysis and Study of Some Properties of Self-Phase Modulation in Optical Fiber Communication. [ Pursuing]Dr. Devika Phukan
4imgBidish BorahAnalysis of the dynamics of pulsating, creeping and dissipative soliton in the fiber laser.[ Pursuing]Dr. Devika Phukan
5imgPartha Pratim BorahA Theoretical Study of Nonlinear Optical Loss in Optical Waveguide due to Stimulated Brillouin Scattering. [ Pursuing]Dr. Devika Phukan
6imgViolina DasModelling and Simulation of Raman Amplification for long-haul Optical Communication. [ Pursuing]Dr. Devika Phukan
7imgLongkhraw khongiang,A study on Synthesis and Characterization of Copper chalcogenides /reduced graphene oxide (rGO) nanocomposites for possible device application. [ Pursuing]Dr. Sujata Deb
8imgAida Shisha Bareh PursuingDr. Bornali Chetia
9imgSnarmon LatoPursuingDr. Sujata Deb

Research publications

Publications in last 5 years (Year-wise list)

-2024-

A Comparative Analysis of Basic and Enhanced Hole Structures in Photonic Crystal Fibers. P. Talukdar1, D. Phukan2Journal of Optics. 10 March 2024[https://doi.org/10.1007/s12596-024-01730-3]
2. Y. Nanung, L. Tangjang, H. Das, Sujata Deb, P.K. Kalita, Defect controlled space charge limited conduction in CdS nanostructured Schottky structure, Materials Science & Engineering B, 304, 117353, 2024.
3. Sujata Deb and Longkhraw Khongiang, A review on green synthesis of copper sulfide (CuS) nanoparticles, in Emerging Trends in Physical Science, ISBN: 978-93-90706-80-8, 1st Edition: February, 2024.
4. Maidul Islam, Anshul Bhardwaj, Mainuddin and Gagan Kumar, “Planar terahertz multi-resonator meta-waveguide based upon strongly coupled nested split-ring resonator ”, Optik, 302, 171712, 1-7 (2024). ISSN: 0030-4026 (https://doi.org/10.1016/j.ijleo.2024.171712).
5. Hussain F., Jaishi H. P. and Roy S., Polystyrene microsphere exploration using light scattering tool at different temperatures, ISBN: 978-93-90706-80-8, 2024.


-2023-

1. Soliton pulse compression in air-core photonic band-gap fibre. Pranami Sarma1, Devika Phukan1 1∗ And Anurup Gohain Barua2 Pramana – J. Phys. (2023) 97:133 © Indian Academy of Sciences https://doi.org/10.1007/s12043-023-02593-2.
2. A Comparative Exploration of Femtosecond Optical Pulse Propagation In Hollow Core Photonic Crystal Fiber And Conventional Optical Fiber. P. Talukdar1, D. Phukan2, S. Hazarika3 Webology (ISSN: 1735-188X) Volume 20, Number 03, 2023.
3. Designing an Air Core Photonic Bandgap Fiber to Study the Dispersion and Loss Characteristics for Optical Pulse Propagation.Devika Phukan*1, Priyanka Talukdar2, and Pranami Sarma3. Volume 67, Issue 3, 2023 Journal of Scientific Research of The Banaras Hindu University.DOI: 10.37398/JSR.2023.670306
4. Study of group velocity dispersion and confinement loss in photonic band gap Fiber.D. Phukan, P. Sarma. [ Webology accepted] Dec 2023 Structural Simulation and investigation of propagation characteristics of Photonic Crystal fibers for efficient transmission and delivery of ultrashort optical pulses P. Talukdar* D. Phukan**, S. Hazarika*** [ JSR Accepted] Dec 2023
5. Maidul Islam, Anshul Bhardwaj, Bhairov Kumar Bhowmik, and Gagan Kumar, “Terahertz Meta-waveguide Based upon Strongly NearField Coupled Split-Ring Resonators”, Journal of Infrared, Millimeter, and Terahertz Waves, 44, 740751 (2023). ISSN: 1866-6906 (https://doi.org/10.1007/s10762-023-00934- 1)
6. Roopkiranpreet Kaur, Maidul Islam, P.C. Agarwal, Sukhdeep Kaur, and Gagan Kumar, “Highly confined terahertz spoof plasmon propagation in a parallel plate corrugated waveguide”, Journal of Optics, (2023). ISSN: 2040-8986 (https://doi.org/10.1007/s12596-023-01529- 8)
7. M. Das Roy, S. Barman, B. Kalita (2023) Effectiveness of Surface Texturing and Optical Width in Minimizing the Optical Loss of a Solar Cell: a Simulated Study. Journal of Applied and Fundamental Sciences; 8(1): 39-50.
8. S. Barman, P.H.Talukdar (2023).Water electrolysis-based hydrogen generation systems: A review. Journal of Alternate Energy Sources & Technologies ; 14(1): 30–38.
9. Hussain F., Mazumder N. and Roy S. (2023), “Possibilities of simulation of coronavirus SARS-CoV-2 by using light scattering approach”, Lasers in Medical Sciences, 38,10.

-2022-

1. S. Barman, A. Chowdhury, S. Mathur, J. Mathur, “Effectiveness of spectrally selective layer and airflow strategies in photovoltaic double pane window system” Journal of Building Engineering 62 (2022) 105417 . ISSN 23527102. https://doi.org/10.1016/j.jobe.2022.105417
2. Nath S, Chetia B, Kalita S. (2022) Ionospheric TEC Prediction using Hybrid Method based on Ensemble Empirical Mode Decomposition (EEMD) and Long Short-Term Memory (LSTM) Deep Learning Model over India, Advances in Space Research, Elsevier, ISSN 0273-1177, https://doi.org/10.1016/j.asr.2022.10.067
3. Gitanjal Deka, Bimalendu Deka, Kentaro Nishida, Katsumasa Fujita, and Shi- Wei Chu, “Deep Tissue High-resolution and Background-free Imaging with Plasmonic SAX Microscopy”, A chapter in the book "Recent Advances in Plasmonic Probes", 2022.
4. S. Barman “Evaluation of Electrical and Thermal Energy Performance of a Semi-transparent Photovoltaic Module Integrated Double Pane Window System Under DifferentAir Flow Strategies” Journal of Alternate Energy Sources & Technologies. 13(1), 1–14 (2022). ISSN: 2321–5186
5. H. Das, S. Barman, K. Das, “Macro-flow dynamics of wind over C, H and L type buildings” Energy, Environment & Carbon Credits 11(3), 43-58 (2022), ISSN: 2249-8621
6. S.Barman, H. Das, “Innermost Surface Temperature Characteristics of Solar Photovoltaic Double Pane Window” Journal of Alternate Energy Sources and Technologies 12, 30-40(2022), ISSN: 2321–5186
7. Maidul Islam, Bhairov Kumar Bhowmik, K M Dhriti, Minakshi, Devendra Mohan, Amir Ahmad and Gagan Kumar, “Thin film sensing in a planar terahertz meta-waveguide”, Journal of Optics, 24, 6, 1-7 (2022). ISSN: 2040-8986 (doi.org/10.1088/2040-8986/ac60bc). Thin film sensing in a planar terahertz meta-waveguide - IOPscience
8. Sujata Deb and P K Kalita, “Optoelectronic characterization of ZnO/starch composite for its application as Schottky diode and photoconductor”, Journal of Materials Science: Materials in Electronics, (2022) . ISSN 0957-4522.

-2021-

1. Sujata Deb and P K Kalita, "Green synthesis of copper sulfide (CuS) nanostructures for heterojunction diode applications," Journal of Materials Science: Materials in Electronics, 32, 24125–24137 (2021) ISSN 0957-4522 (doi.org/10.1007/s10854-021-06879-2).
2. Bhargav Chetia, Bornali Chetia and Bhaskar Jyoti Borah, Effect of Solar Wind Parameters on Ionospheric Total Electron Content over Low Latitude Station, Proceedings of National Conference on ‘Recent Trends in Academic Research’ August 30-31 2021, ISSN: 2583-0228. Organized by Council of Industrial Innovation & Research (CIIR), India.
3. S. Barman, A. Chowdhury, S. Mathur, J. Mathur, “Angular loss of window integrated thin film semi-transparent photovoltaic module”, Journal of Building Engineering 40, 102353 (2021).
4. S. Barman, A. Chowdhury, S. Mathur, J. Mathur, “Performance of window integrated photovoltaic system in actual operating condition”, Solar Energy 224, 480-490 (2021).
5. S. Barman, H. Das, K. Das, “Temperature Characteristics of Semi-Transparent Photovoltaic Module in a ventilated double pane window system”, Recent Trends in Civil Engineering & Technology.12, 1-10(2021).
6. Maidul Islam, KM Dhriti, Rakesh Sarkar and Gagan Kumar,“Tunable control of electromagnetically induced transparency effect in a double slot terahertz waveguide”, Optics Communications, 483, 126632, 1-6 (2021). (doi.org/10.1016/j.optcom.2020.126632) Tunable control of electromagnetically induced transparency effect in a double slot terahertz waveguide - ScienceDirect
7. KM Dhriti, Maidul Islam, Angana Bhattacharya, Amir Ahmad, and Gagan Kumar,“Plasmon-induced transparency in an airdielectric grooved parallel-plate terahertz waveguide”, Journal of the Optical Society of America B , 38,4,1290-1296(2021).ISSN:1520-854(doi.org/10.1364/JOSAB.420829). Plasmon-induced transparency in an air–dielectric grooved parallel-plate terahertz waveguide (optica.org)
8. Roopkiranpreet Kaur, Maidul Islam, P. C. Agarwal, Sukhdeep Kaur, and Gagan Kumar, “Terahertz Surface Plasmons Propagation in Semiconducting Parallel Plates Waveguide Configuration”, Europhysics Letters, 134, 38002(p1-p7), (2021). ISSN: 1286-4854 (doi.org/10.1209/0295-5075/134/38002). Terahertz surface plasmons propagation in semiconducting parallel plates waveguide configuration | EPL (edpsciences.org)

-2020-

1. Sujata Deb, P K Kalita and P Datta, "Opto-electronic characterization of starch capped zinc chalcogenides (core-shell) nanocomposites and their application as Schottky device," Physica Scripta, 95, 9, 095810 (12pp) (2020) ISSN: 0031-8949 (doi.org/10.1088/1402-4896/abac75)
2. Santanu Kalita, Bornali Chetia, "A Novel Approach for Ionospheric Total Electron Content Earthquake Precorsor and epicenter detection for low latitude" International Journal of Engineering and Geosciences (IJEG), 5, 2, 094-099(2020), ISSN 2548-0960, Turkey, DOI: 10.26833/ijeg.614856.
3. Kentaro Nishida, Gitanjal Deka, Nicholas Isaac Smith, Shi-Wei Chu*, and Katsumasa Fujita, “Nonlinear Scattering of Near-Infrared Light for Imaging Plasmonic Nanoparticles in Deep Tissue" , ACS Photonics 7, 8, 2139–2146 (2020).
4. Maidul Islam and Mamoon Elahi Barbhuyan,“Slow-light application using dielectrics in a metallic terahertz plasmonic waveguide”, Journal of the Optical Society of America A, 37, 6, 1053-1059 (2020). https://doi.org/10.1364/JOSAA.392231, Slow-light application using dielectrics in a metallic terahertz plasmonic waveguide (optica.org)
5. KM Dhriti, Maidul Islam, and Gagan Kumar,“Surface plasmon induced absorption through near field coupled resonators in a planar plasmonic terahertz waveguide ”, Journal of Optics, 22, 12, 1-9 (2020). ISSN: 2040-8986 (doi.org/10.1088/2040-8986/abc088). Terahertz surface plasmon propagation in a near field coupled asymmetric resonators based planar waveguide - IOPscience

-2018-

1. Sankar Barman, Amartya Chowdhury, Sanjay Mathur, Jyotirmay Mathur,“Assessment of the efficiency of window integrated CdTe based semi-tranparent photovoltaic module”, Sustainable Cities and Society, 37, 250-262(2018), (doi:10.1016/j.scs.2017.09.036).
2. Nipon Deka, Maidul Islam, Prashant K. Sarswat, and Gagan Kumar,“ Enhancing solar cell efficiency with plasmonic behavior of double metal nanoparticle system” , Vacuum, 152, 285-290, (2018), (doi: 10.1016/j.vacuum.2018.03.026). Enhancing solar cell efficiency with plasmonic behavior of double metal nanoparticle system - ScienceDirect
3. Gitanjal Deka, Kentaro Nishida, Kentaro Mochizuki, Hou-Xian Ding (丁厚獻), Katsumasa Fujita, and Shi-Wei Chu (朱士維), ‘’Resolution enhancement in deep-tissue nanoparticle imaging based on plasmonic saturated excitation microscopy’’, APL PHOTONICS 3, 031301 (2018), (doi: 10.1063/1.5021455).


-2017-

1. Sujata Deb, P. K. Kalita and P. Datta, “Opto-Electronic Properties of Green Synthesized ZnS Nanostructures”, International Journal of Nanoscience, Sep. 2017, Vol.16, No.4, 1760032 (9 pages), ISSN: 0219-581X.
2. Sujata Deb, P.K.Kalita and P.Datta,“Effect of self-assembled ZnO2 intermediate layer on the growth of starch capped ZnO/ZnS core/shell nano composites through chemical bath deposition method”, Materials Today: proceedings 4 (2017) 3994-4000.
3. Gitanjal Deka, Chi-Kuang Sun, Katsumasa Fujita, and Shi-Wei Chu, “Nonlinear plasmonic imaging techniques and their biological applications’’, Nanophotonics, 6, 31-49 (2017), (doi: 10.1515/nanoph-2015-0149).
4. Maidul Islam, Dibakar Roy Chowdhury, Amir Ahmad, and Gagan Kumar,“Terahertz guidedmode properties in an internally corrugated plasmonic waveguide”, AIP: Journal of AppliedPhysics, 122, 053105 (2017), (doi:10.1063/1.4997451).
5. Maidul Islam, S Jagan Mohan Rao, Gagan Kumar, B. P. Pal and Dibakar Roy Chowdhury“ Role of Resonance modes on Terahertz Metamaterials based thin film sensors”, Scientific Reports,7, 7355 (2017), (doi:10.1038/s41598-017-07720-9).
6. Maidul Islam, Dibakar Roy Chowdhury, Amir Ahmad, and Gagan Kumar,“Terahertzplasmonic waveguide based thin film sensor”, Journal of Lightwave Technology, 35,2763326 (2017), (doi:10.1109/JLT.2017.2763326).
7. Koijam Monika Devi, Maidul Islam, Dibakar Roy Chowdhury, Amarendra Kumar Sarma, and Gagan Kumar, “Plasmon-induced transparency in graphene-based terahertz metamaterials”,Europhysics Letters, 120, 27005, (2017), (doi: 10.1209/0295-5075/120/27005).
8. Santanu Kalita, Bornali Chetia, and Devi, M and Barbara, AK,“Prediction of Total Electron Content using Nonlinear Autoregressive Models with eXogenous input Recurrent Neural Network”, Global Journal of Computer Science and Technology, 17, 4 (2017).
9. Bornali Chetia, Minakshi Devi, Santanu Kalita & Ananda K Barbara, “Magnetic storm time effect on upper and lower atmosphere: An analysis through GPS and remote sensing observation over Guwahati”, Indian Journal of Radio and Space Physics, 46, 4 (2017).

Book Chapters in last 5 years (Year-wise list)

-2024-

1. Y. Nanung, L. Tangjang, H. Das, Sujata Deb, P.K. Kalita, Defect controlled space charge limited conduction in CdS nanostructured Schottky structure, Materials Science & Engineering B, 304, 117353, 2024.
2. Sujata Deb and Longkhraw Khongiang, A review on green synthesis of copper sulfide (CuS) nanoparticles, in Emerging Trends in Physical Science, ISBN: 978-93-90706-80-8, 1st Edition: February, 2024.
3. Hussain F., Jaishi H. P. and Roy S., Polystyrene microsphere exploration using light scattering tool at different temperatures, ISBN: 978-93-90706-80-8, 2024.
4. Bornali Chetia, Comparison of Observed GPS TEC Measurement with IRI TEC over Low Latitude Station”, Emerging Trends in Physical Science (Book Chapter), ISBN: 978-93- 90706-80-8, pp. 10-34. (2024).
5. S. Barman (2024). Comprehensve Guide for Solar Water Heater Systems: Design, Installation and Maintenance. Bridging Disciplines: Navigating Multidisciplinary Perspectives; Published by Data Point Consultancy for Multidisciplinary Research;ISBN:978-81-974418-2-0.

-2023-

1. Comparative analysis of soliton pulse input energy and order in photonic bandgap fiber by simulation, Frontiers in physical sciences, Guwahati-32 / 2023, Pranami Sarma, Devika Phukan ISBN: 978-93-93092-29-8, SUNBEAM, Rup Nagar Guwahati
2. Comparison of photonic crystal fibres for efficient transmission using finite difference time domain method, Frontiers in physical sciences, Guwahati-32 / 2023, Priyanka talukdar, Devika PhukanISBN: 978-93-93092-29-8, sunbeam, Rup Nagar Guwahati
3. Effect of electromagnetic wave passing through varying size of silver nano particle, Frontiers in physical sciences, Guwahati-32 / 2023, Minhajul Nazarat, Devika Phukan.ISBN: 978-93-93092-29-8, sunbeam, Rup Nagar Guwahati
4. Investigation ofn group velocity dispersion and leakage loss in Air core Photonic Bandgap Fibers.P. Sarma, D. Phukan, ISBN: 978-93-90951-66-6 Allied Publishers Private Limited.
5. A Comparative study of Hollow core Photonic Crystal fiber and Conventional Optical fiber for femtosecond optical pulse transmission. P. Talukdar, D. Phukan. ISBN: 978-93-90951-66-6 Allied Publishers Private Limited.
6. Hussain, F., Hussain, J., Khanam, S.S., Noorani, S., Bhattacherjee, A.B., Roy, S. (2023). Scattering Phase Functions and Polarimetric Responses of Selected Bioparticles. In: Mazumder, N., Kistenev, Y.V., Borisova, E., Prasada K., S. (eds) Optical Polarimetric Modalities for Biomedical Research. Biological and Medical Physics, Biomedical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-31852-8_7.

-2022-

1. Gitanjal Deka, Bimalendu Deka, Kentaro Nishida, Katsumasa Fujita, and Shi- Wei Chu, “Deep Tissue High-resolution and Background-free Imaging with Plasmonic SAX Microscopy”, A chapter in the book "Recent Advances in Plasmonic Probes", 2022.

IPR details

# Patent Application No. Inventor(s) Title Date of Publication Publication number
1 202231021448 Dr. Sankar Barman A portable device to cut soft sheets in circular shape with adjustable radius 22/07/2022 NA
2 202231045258 Dr. Sankar Barman Marker pen made of biodegradable materials 09/09/2022 NA
3 202331056367 Dr. Sanchita Roy Polar- Azimuthal temperature dependent light scattering device (PATLS) 01/03/2024 NA

Research Highlights :

Distinguished talks organized

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