Dr. Alka Jakhar

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NAME : Dr. Alka Jakhar
DESIGNATION : Assistant Professor
QUALIFICATION :

  • Ph.D. (2017-2022) , Indian Institute of Technology Delhi, New Delhi, India Centre for Applied Research in Electronics Thesis title: Low-Dimensional Silicon and Layered Transition Metal Dichalcogenides (TMDs) for Terahertz Detectors and Modulators
  • M.Tech (2015-2017), Malaviya National Institute of Technology, Jaipur, Rajasthan, India Electronics and Communication Department Wireless and Optical Communication
  • B.Tech (2011-2014), Rajasthan College of Engineering for Women, Jaipur, Rajasthan, India Electronics and Communication Department Electronics and Communication

OVERVIEW OF PROFILE :

Dr. Alka Jakhar is an Assistant Professor in the School of E&TC Engineering. Her research area includes terahertz electronic devices (detectors and modulators), terahertz metamaterials and antennas, bio-sensors, far-infrared and visible detectors.

FORE FRONT AREA OF RESEARCH : Microelectronics, Millimeter and terahertz devices.
EMAIL ID : alka.jakhar@mitaoe.ac.in
CONTACT NO : 020 30253500 Ext:
EXPERIENCE : Research experience


  • InSc Institute of Scholars Young Researcher Award 2022.
  • Best paper award in “International Workshop on the Physics of Semiconductor Devices (IWPSD 2020)” conference.
  • Professional member of InSc International Publisher (IIP).
  • Reviewer for InSc international journal under the stream: Electrical and Electronics Engineering.
  • Qualified Gate 2015, 2016, 2017.
  • Qualified UGC NET, January 2017.

PATENTS

  • Title : Free space THz radiation sensor using spin to charge current conversion (Filed : December 2021).

PUBLICATIONS
JOURNALS

  • Alka Jakhar, Dhairya Singh Arya, Suprovat Ghosh, and Samaresh Das. “Zero-Biased and Broadband (0.1-1.5 THz) Terahertz Detector using Dirac Semimetal-PtTe2,” IEEE Sensors Letters 2022.
  • Alka Jakhar, Prabhat Kumar, Sajid Husain, Veerendra Dhyani, Abhilasha Chouksey, Prashant Kumar Rai, J.S. Rawat, and Samaresh Das. “Bilayer MoS2 on Silicon for higher Terahertz Amplitude Modulation,” IOP:Nano Express, vol. 2, no. 4, p. 040004, 2021.
  • Alka Jakhar, Prabhat Kumar, Akshay Moudgil, Veerendar Dhyani, and Samaresh Das. “Optically Pumped Broadband Terahertz Modulator Based on Nanostructures PtSe2 Thin Film”, Advanced Optical Materials, vol. 8, no. 7, p. 1901714, 2020.
  • Alka Jakhar, Prabhat Kumar, Sajid Husain, Veerendra Dhyani, and Samaresh Das. "Integration of Nanometer-Thick 1T-TaS2 Films with Silicon for an Optically Driven Wide-Band Terahertz Modulator", ACS Applied Nano Materials, vol. 3, no. 11, p. 10767, 2020.
  • Alka Jakhar, Veerendra Dhyani, and Samaresh Das. “Room Temperature Terahertz Detector based on Single Silicon Nanowire Junctionless Transistor with High Detectivity", Semiconductor Science and Technology, vol. 35, no. 12, p. 125020, 2020.
  • Veerendra Dhyani, Alka Jakhar, John Wellington, and Samaresh Das, “Diameter-dependent photoresponse with high internal gain in a back gated single Si nanowire phototransistor”, Journal of Physics D: Applied Physics, vol. 52, no. 42, p. 425103, 2019.
  • Nidhi, Alka Jakhar, Wasi Uddin, Jitendra Kumar, Tashi Nautiyal, and Samaresh Das. "Nanolayered Black Arsenic–Silicon Lateral Heterojunction Photodetector for Visible to Mid-Infrared Wavelengths." ACS Applied Nano Materials, vol. 3, no. 9, pp. 9401-9409, 2020.
  • Harmanpreet Kaur Sandhu, John Wellington John, Alka Jakhar, Abhishek Sharma, Alok Jain, and Samaresh Das, “MoSe2/n-GaN Heterojunction Induced High Photoconductive Gain for Low-Noise Broadband Photodetection from Ultraviolet to near-Infrared wavelengths,” Advanced Materials Interfaces, vol. 9, no. 12, p. 2102200, 2022.
  • Harmanpreet Kaur Sandhu, John Wellington John, Alka Jakhar, Abhishek Sharma, Alok Jain, and Samaresh Das, “Self-powered, low-noise and high-speed nanolayered MoSe2/p-GaN heterojunction photodetector from ultraviolet to near-infrared wavelengths” Nanotechnology, vol. 33, no.30, p. 305201, 2022.
  • John Wellington John, Veerendra Dhyani, Sudarshan Singh, Alka Jakhar, Arijit Sarkar, Samaresh Das, and Samit K. Ray. "Low-noise, high-detectivity, polarization-sensitive, room-temperature infrared photodetectors based on Ge quantum dot-decorated Si-on-insulator nanowire field-effect transistors." Nanotechnology, vol. 32, no. 31, p. 315205, 2021.

INTERNATIONAL CONFERENCES

  • Alka Jakhar, Harmanpreet Kaur Sandhu, and Samaresh Das, “Self-driven Broadband Terahertz Detector based on Platinum Telluride (PtTe2)” Proc. of SPIE, Vol. 12000, pp. 120000R-1, 2022.
  • Alka Jakhar, Prabhat Kumar, Samir Kumar, and Samaresh Das. "Broadband Terahertz Study of Flexible Polymer Thin Films." AIP Conference Proceedings, 2220, 1,140024, 2020.
  • Alka Jakhar, Samriddha Ray, and Samaresh Das, “Optimized design, Analysis and Simulation of broadband Antennas to integrate with Terahertz Detectors” IWPSD 2019.
  • Alka Jakhar, Veerendra Dhyani, Pranav Kumar, Samaresh Das, Mahesh P Abegaonkar. “CPW fed Bow-tie planar antenna resonating at 60 GHz and 94 GHz for millimeter Wave applications” IEEE-ICEE 2018.
  • Alka Jakhar, Manish Mathew,Ashok Chauhan, Kuldip Singh, Vijay Janyani, and Nikhil Deep Gupta, “A Top-Down Approach for Fabrication of Nanorods on GaN-Based LEDs Using Self-Assembled Ni.” Optical and Wireless Technologies Springer, pp. 171-176, 2018.