SMVDU Katra, 21stAugust,18. The School of Physics at Shri Mata Vaishno Devi University (SMVDU) Katra, organised today an expert lecture by Prof. P. K. Sen on the topic titled, ‘Lasers and Semiconductor Nanaphotonics’. Prof. Sen, HoD, Applied Physics at SGSITS, Indore is an eminent academician who has more than 150 published research papers in his credit. Furthermore, the professor has guided twenty two PhD candidates in various fields of Physics. During the talk, Prof. Sen discussed the aspects of the fabrication and application of nanostructures and devices that help to understand or harness and utilise the behaviour of light. The wise physicist has delivered more than 50 invited talks across and outside India on topics, such as Laser Physics, Nonlinear Optics, Semiconductor Nano-Technology, and alike. The interactive talk was attended by the faculty members and research students. Prof. A. K. Sharma, HoD, Physics at SMVDU presented a vote of thanks to Prof. Sen for sparing the valuable time and for the words of wisdom.