• Assistant Professor (Jan 2023 - Present) at the Department of Electronics Engineering, Indian Institute of Technology (BHU) Varanasi.

• Postdoctoral Research Fellow (Jul 2022 – Jan 2023), at imec Leuven, Belgium.

          Worked on the pathfinding for 2D-materials-based experimental gate all around nano-sheet devices (GAA-NS-FETs) in the Exploratory Logic Group (Compute & Memory Technology division).

• Postdoctoral Fellow (Nov 2021 – May 2022) at Indian Institute of Technology Madras.

• Application Engineer (Nov 2015 – Mar 2016) at Applied Materials India Pvt. Ltd., Bangalore.

         Worked on the bright field wafer inspection tool for the 10 nm technology node in the Process Diagnostics and Control division at Applied Materials Israel.

Session 2023-2024 (Even):

• EO-102: Fundamentals of Electronics and Instrumentation

• EC-433: Advanced Field Effect Devices

Session 2023-2024 (Odd):

• EC-532: IC Technology

• EC-331: Microelectronics

• EC-271: Solid State Electronic Devices Lab

Session 2022-2023 (Even):

• EO-102: Fundamentals of Electronics and Instrumentation

• EC-102: Electronic Circuit Workshop

[1]  N. Kumar, A. Arora, and A. Krishnan “Plasmonically enhanced composite vortex beam generation using ultra-thin dielectric fork gratings”, J. Opt. Soc. Am. B 39(8), 2084 (2022).

[2]  A. Arora, K. L. Ganapathi, T. Dixit, M. Muralidhar, M. Murakami, M. S. R. Rao, and A.Krishnan, “Thickness dependent nonlinear electrical conductivity of few-layer Muscovite mica”, Phys. Rev. Appl. 17(6), 064042 (2022).

[3]  N. Kumar, A. Arora, and A. Krishnan “Single-shot generation of composite optical vortex beams using hybrid binary fork gratings”, Opt. Express (29), 33703 (2021).

[4]  A. Arora, P. K. Nayak, S. Bhattacharyya, N. Maity, A. K. Singh, A. Krishnan, and M. S. R. Rao “Interlayer excitonic states in MoS2/MoSe2 heterostructures”, Phys. Rev. B 103(20), 205400 (2021).

[5]  A. Arora, P. K. Nayak, T. Dixit, K. L. Ganapathi, A. Krishnan, and M. S. R. Rao “Stacking angle dependent multiple excitonic resonances in bilayer tungsten diselenide”, Nanophotonics 9(12), 3881 (2020).

[6]  N. Kumar, A. Arora, and A. Krishnan “Complementary AC Voltammetry - A method for simultaneous measurement of faradaic and non-faradaic currents in an electrochemically reversible system”, IEEE Sens. J. 20(22), 13196 (2020).

[7]  T. Dixit, A. Arora, M. Muralidhar, M. Murakami, P. K. Nayak, K. L. Ganapathi and M. S. R. Rao “Plasmon-assisted selective enhancement of direct-band transitions in multi-layer MoS2”, IEEE Photon. J. 11(5), 4501106 (2019).

[8]  A. Arora, T. Dixit, K. V. Anil Kumar, S. Krishnan, K. L. Ganapathi, A. Krishnan, P. K. Nayak, and M. S. R. Rao “Plasmon induced brightening of dark exciton in monolayer WSe2 for quantum optoelectronics”, Appl. Phys. Lett. 114(20), 201101 (2019).

[9]  V. Narayanan, A. Arora, S. P. Amirtharaj and A. Krishnan, “Plasmon-coupled hybrid Fabry-P´erot cavity modes in submicron metal-dielectric-metal arrays for enhanced color filtering”, Opt. Eng. 58(5), 057109 (2019).

[10]  T. Dixit, A. Arora, A. Krishnan, K. L. Ganapathi, P. K. Nayak, and M. S. R. Rao, “Near-Infrared Random Lasing in Multilayer MoS2”, ACS Omega 3, no. 10, 14097 (2018).

[11]  M. Malathi, G. Venkat, A. Arora, I. I. Syvorotka, V. Sivasubramanian, and A. Prabhakar, “Magnetization spin dynamics in a (LuBi)3Fe5O12 (BLIG) epitaxial film”. J. Magn. Magn. Mater. 488, 159 (2017).

[12]  A. Arora and A. Krishnan, “Fabrication of tunable plasmonic substrates using a table-top gold coater and a hot plate, their optical characterization, and surface-enhanced Raman activity”, J. Appl. Phys. 118(16), 154901 (2015).

• A. Arora et. al., Nanophotonics and Micro/Nano Optics International Conference (NANOP-2019), Munich, Germany, 4 - 6 September 2019.

• P. K. Nayak, A. Arora et. al., 1^st Indian Materials Conclave, Materials Research Society of India (MRSI AGM-2019), IISc Bangalore, India, 12 - 15 February 2019.

• P. Pushkar, A. Arora and A. Krishnan, 14^th International Conference on Fiber Optics and Photonics (OSA), IIT Delhi, India, 12 - 15 December 2018.

• A. Arora and A. Krishnan, 18^th International Workshop on Physics of Semiconductor Devices (IWPSD-2015), IISc Bangalore, India, 7 - 10 December 2015 (invited).

• A. Arora and A. Krishnan, 12^th International Conference on Fiber Optics and Photonics (OSA), IIT Kharagpur, India, 13 - 16 December 2014.

• R. Kumar, A. Arora et. al., Progress in Electromagnetics Research Symposium - the 35^th PIERS, Guangzhou, China, 25 - 28 August 2014.

• R. Kumar, A. Arora, et. al., 7^th ISSS International Conference on Smart Materials Structures & Systems (ISSS 2014), IISc Bangalore, 8 - 11 July 2014.

• A. Arora, P. Arora and A. Krishnan, SPIE Photonics Europe (Nanophotonics), Brussels, Belgium, 14 - 17 April 2014.

• A. Arora and A. Krishnan, Metamaterials and Photonic Nanostructures, IIT Kanpur, India,16 - 17 August 2013 (invited).

1. "Demonstration of room-temperature electroluminescence from 2D Semiconductor – Metal hybrid structures" under the scheme Start-up Research Grant (SRG) funded by SERB (Ongoing): Amount Sanctioned: ₹ 31.42 Lakhs

Positions are available for researchers interested in working in Optoelectronics, Nanoelectronics, Semiconductor Device Physics, 2D-Semiconductors, Excitonics, Plasmonics, and allied areas. Interested students should apply for a Master's and Ph.D. position at IIT (BHU).