:::: Group News ::::

• Anand Nivedan successfully defended his PhD thesis on 26th March, 2024.
Title of the thesis: Photo-Seebeck effect, magnetotransport and ultrafast THz photocurrent studies on Bi2Te3 and Bi2Se3 topological insulators.

• PhD research proposal by Sandeep Jakhar S has been approved by DST for INSPIRE fellowship.
Research topic: Time domain THz spectroscopy to resolve dynamics of complex conductivity in metallic films at high frequencies.

• Baby Komal successfully defended her PhD thesis on 6th November, 2023.
Title of the thesis: Helicty inversion, detection, generation, and self-healing of orthogonal degenerate states of polarization singularities.

• Sandeep Kumar successfully defended his PhD thesis on 19th October, 2023.
Title of the thesis: Femtosecond terahertz dynamics in spintronic heterostructures.

• Anand Nivedan gave Pre-PhD Synopsis talk on 18th August 2023.
Title of the talk: Ultrafast THz photocurrent, photo-Seebeck effect and magnetotransport studies on Bi2Te3 and Bi2Se3 topological insulators.

• PhD research proposal by Meera S has been approved by DST for INSPIRE fellowship.
Research topic: Photophysical properties of single-component organic solar cells from time-resolved spectroscopic route.

• Baby Komal gave Pre-PhD Synopsis talk on 17th April 2023.
Title of the talk: Helicity inversion, detection, generation and self-healing of orthogonal degenerate states of polarization singularities.

• Sandeep Kumar gave Pre-PhD Synopsis talk on 13rd March 2023.
Title of the talk: Femtosecond THz dynamics in spintronic heterostructures.

• Rekha Agrawal is selected for NTU-India Connect Research Programme 2023 (Summer Term, 2023).

• Satakshi Gupta is winner of the UQIDAR 3MT 2022 competition.

• Vikas Kumar successfully defended his PhD thesis on 7th September, 2022.
Title of the thesis: Microstructured fibers and nonlinear crystals-based terahertz sources and devices.

• Pearson mentions contribution of Prof. Sunil Kumar at reviewers panel for its internationally acclaimed book, "Physics for Scientists and Engineers: A Strategic Approach with Modern Physics" 5th Global Edition by Randall D Knight of California Polytechnic State University-San Luis Obispo.

• Prof. Sunil Kumar received Reviewer of the Month (August, 2022) award from the journal, Light Science and Applications of the Springer Nature Publishing Group.

• Sandeep Kumar received International Travel Grant from DST, India for presenting his research work in the "47th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-2022)", held at Delft, Netherlands during 28th Aug 28 - Sep 2, 2022.

• Sandeep Kumar's article on "Ultrafast light-induced THz switching in exchange-biased Fe/Pt spintronic heterostructure", was published as Editor's pick in APL. Ref.: Applied Physics Letters 120, 202403 (2022). https://doi.org/10.1063/5.0091934

• Arvind Singh successfully defended his PhD thesis on 28th February, 2022.
Title of the thesis: Optical and THz response of carbon nanostructures: Quantum dots, nanotubes and graphene.

• Best presentation award to Sandeep Kumar for his research poster and oral presentation on "Ultrafast THz pulses from optically excited spintronic heterostructures" in 7th Theme Meeting on Ultrafast Science (UFS-2021) held at UM-DAE Centre for Excellence in Basic Sciences, Mumbai during Nov 12-14, 2021.

• Significant research contribution award to Anand Nivedan for his research oral presentation on "Photo-Seebeck effect in single-crystalline bismuth telluride topological insulator" in the 4th Departmental Physics Symposium on Advances in Physics held at IIT Delhi during Dec 1-3, 2020.

• Best poster presentation award to Sandeep Kumar for his research poster presentation on "Metallic Spintronic Ultrafast THz Emitters: Tunability through Bi- and Tri-Layers for Intense Broadband THz Pulses" in ICEE 2020 (5th IEEE International Conference on Emerging Electronics) held at IIT Delhi during Nov 26-28, 2020.

• BOSS award to Ayush De for his BTP project on "Spectroscopic Approach to Surface Detection in Topological Insulators" completed in two semesters of his 4th year at IIT Delhi (2020).

• Anand Nivedan's article on "Photo-Seebeck effect in single-crystalline bismuth telluride topological insulator", was published as a Feature article in APL. Ref.: Applied Physics Letters 116, 141902 (2020). https://doi.org/10.1063/1.5143988

• Best research presentation award to Madhu Bochalya for her research presentation on "Magnetism and phase segregation in two-dimensional inorganic-organic (C12H25NH3)2Cu1-yMnyCl4 hybrids" in ICSEM-2020 (6th International Conference on Smart Engineering Materials) held at National University of Singapore during March 6-8, 2020.

• Madhu Bochalya successfully defended her PhD thesis on 17th August 2020.
Title of the talk: Helicity inversion, detection, generation and self-healing of orthogonal degenerate states of polarization singularities.