• Ph.D., Physics, 1995, IIT Madras, India

• Professor, Department of Physics, IIT Delhi (since 2012)
• Associate Professor, IIT Delhi (2008–2012)
• Assistant Professor, IIT Delhi (2002–2008)
• Assistant Professor, IIT Guwahati (1996–2001)
• Lecturer, IIT Guwahati (1995–1996)
• Senior Project Officer, IIT Madras (1993–1995)

• Optical beam shaping
• Optical phase and polarization singularities
• Berry and Pancharatnam topological phases
• Fiber optics
• Holography
• Non-destructive testing techniques
• Shear interferometry
• Talbot interferometry
• Speckle metrology
• Non-linear optics

Dr. P. Senthilkumaran’s research spans a wide range of topics within the field of optics and photonics. His core areas of focus include basic physics, electromagnetic theory, optics and lasers, and Fourier optics. He has a deep interest in holography and its diverse applications, particularly in the fields of imaging and non-destructive testing. Additionally, his work covers optical metrology and instrumentation, where he develops precise measurement systems using light. These research areas support innovations in optical diagnostics, sensing technologies, and laser-based applications, forming the backbone of his scientific contributions.

• Guest editor of "Singular Optics" special issue in International Journal of Optics, 2012
• Editorial board member of International Journal of Optics (since 2013)
• Associate Editor, Optical Engineering (since 2020)
• Editor, Asian Journal of Physics (recently joined)

• "Singularities in Physics and Engineering" – IOP Publishing, UK, 2018
• "Orbital angular momentum states – Propagation through atmospheric turbulence" – IOP Publishing, UK, 2021

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