Dr. Santosh Kumar

Designation : Associate Professor

Broad Area of Expertise : Physics

Email : skumar{at}iitgoa.ac.in

Contact Number : +91(0)-832-2490-138

Address : Office: F-14, Academic Black B; Lab: RHS 3, PG Block

Personal Page

Educational Qualifications

  1. PhD (Experimental Physics), Leibniz-IFW Dresden/TU Chemnitz, Germany, 2013
  2. MTech (Materials Science & Engineering), IIT Kharagpur, India, 2007
  3. MSc (Physics), MDU Rohtak, India, 2004

Areas of Research

Solid-state Quantum Photonics, Fundamentals & Fabrication of Semiconductor Micro/nano Devices, Science & Characterization of Materials, 2D Materials and Interfaces.

Courses Taught

UG Courses:
PH102: Electricity & Magnetism
PH103: UG Physics Lab
PG/PhD Courses:
PH801: Quantum Mechanics
PH807: Physics of Materials
Institute Elective Courses:
CME601: Introduction to Science and Technology of Nanomaterials

Professional Appointments

  1. Sep. 2023 - Present: Associate Professor, Physics Department, IIT Goa
  2. Jul. 2018 - Sep 2023: Assistant Professor, Physics Department, IIT Goa
  3. Sept. 2013 - Jul. 2018: Postdoctoral Research Associate Institute of Photonics and Quantum Sciences, Heriot-Watt University, Edinburgh, UK

Recent Publications

  1. M. Brotons-Gisbert, A. Branny, S. Kumar, R. Picard, R. Proux, M. Gray, K. S Burch, K. Watanabe, T. Taniguchi, B. D Gerardot, Coulomb blockade in an atomically thin quantum dot coupled to a tunable Fermi reservoir, Nature Nanotechnology, 14, 442 (2019) (link)
  2. Artur Branny, Santosh Kumar, Raphael Proux, Brian D. Gerardot, Deterministic strain-induced arrays of quantum emitters in a two-dimensional semiconductor, Nature Communications 8, 15053 (2017). [Pdf] )
  3. Santosh Kumar, Mauro Brotons-Gisbert, Rima Al-Khuzheyri, Artur Branny, Guillem Ballesteros-Garcia, Juan F. Sanchez-Royo, and Brian D. Gerardot, Resonant laser spectroscopy of localized excitons in monolayer WSe2. , Optica 3, 882 (2016) [Pdf]
  4. Santosh Kumar, Artur Kaczmarczyk, and Brian D. Gerardot, Strain-induced spatial and spectral isolation of quantum emitters in mono- and bilayer WSe2, Nano Letters 15,7567 (2015) [pdf]
  5. Santosh Kumar, Eugenio Zallo, Y. H. Liao, P. Y. Lin, Rinaldo Trotta, Paola Atkinson, Johannes D. Plumhof, Fei Ding, Brian D. Gerardot, Shun Jen Cheng, Armando Rastelli, Oliver G. Schmidt, Anomalous anticrossing of neutral exciton states in GaAs/AlGaAs quantum dots, Physical Review B 89, 115309 (2014)
  6. Yong Heng Huo, Barbara J. Witek, Santosh Kumar, J. R. Cardenas, Nika Akopian, Ranber Singh, Eugenio Zallo, R. Grifone, Dominik Kriegner, Rinaldo Trotta, J. Stangl, Val Zwiller, Gabriel Bester, Armando Rastelli, and Oliver G. Schmidt, A light-hole exciton in a quantum dot, Nature Physics 10, (2014), [pdf]
  7. Santosh Kumar, Rinaldo Trotta, Eugenio Zallo, Johannes D. Plumhof, Paola Atkinson, Armando Rastelli, and Oliver G. Schmidt, Strain-induced tuning of the emission wavelength of high quality GaAs/AlGaAs quantum dots in the spectral range of the 87Rb D2 lines, Applied Physics Letters 99, 161118 (2011)
  8. Oleg Makarovsky*, Santosh Kumar*, Armando Rastelli, Amalia Patane, Laurence Eaves, A.G. Balanov, Oliver G. Schmidt, R. Campion, C. T. Foxon, Direct Laser Writing of Nanoscale Light-Emitting Diodes, Advanced Materials 22, 3176 (2010). *Equal contribution.

Recognition and Awards

  1. DAAD-IIT-Master fellowship: 09/2006 - 05/2007
  2. Ranked 2nd in University's Physics Department for MSc (Physics), 2004
  3. 2nd prize: Intercollege computer quiz at Jat College Rohtak, 2001
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