Research

General research interests

My research delves at the interface optical physics and communication engineering. I explore fundamental properties of electromagnetic waves and its interaction with matter, to build next generation of communication technologies.
My current research interests are:

Electromagnetic wave interaction with complex media.
Non-reciprocity and non-reciprocal devices.
Reconfigurable microwave & mmWave components.
Microwave photonics: Microwave optical links, optical control of microwave devices.

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Active areas of research

Publications

Journal Papers

P. Shekhar, Sarang Pendharker, D. Vick, M. Malac, Z. Jacob, "Fast electrons interacting with a natural hyperbolic medium: bismuth telluride," Optics Express, vol. 27, no. 5, pp. 6970-6975, 2019.
P. Shekhar, Sarang Pendharker, Harshad Sahasrabudhe, Douglas Vick, Marek Malac, Rajib Rahman and Zubin Jacob, "Extreme ultraviolet plasmonics and Cherenkov radiation in silicon," Optica, vol. 5, no. 12, pp. 1590-1596, 2018.
Sarang Pendharker, Farid Kalhor, Todd Van Mechelen, Saman Jahani, Neda Nazemifard, Thomas Thundat, and Zubin Jacob, “Spin photonic forces in non-reciprocal waveguides.” Optics Express, vol. 26, pp. 23898-23910, no. 18, 2018. DOI: https://doi.org/10.1364/OE.26.023898
Sarang Pendharker1, Swapnali Shende1, Zubin Jacob and Neda Nazemifard, “Three-dimensional Optical Tomography of Bitumen and Clay Association in Oil Sands Tailings,” Fuel, vol. 207, 1 Nov. 2017, Pages 262-267. (Impact fator: 4.61). 1The first two authors contributed equally to this work. DOI: https://doi.org/10.1016/j.fuel.2017.06.107
Sarang Pendharker, Y. Guo, F. Khosravi, and Z. Jacob, “PT-symmetric spectral singularity and negative frequency resonance,” Physical Review A, vol. 95, no. 3, 2017. DOI: https://doi.org/10.1103/PhysRevA.95.033817
Sarang Pendharker, H. Hu, S. Molesky, R. Starko-Bowes, Z. Poursoti, S. Pramanik, N. Nazemifard, R. Fedosejevs, T. Thundat, and Z. Jacob, “Thermal graphene metamaterials and epsilon-near-zero high temperature plasmonics,” Journal of Optics, vol. 19, no. 5, 2017. DOI: https://doi.org/10.1088/2040-8986/aa6010.
Sarang Pendharker, Swapnali Shende, Ward Newman, Stephen Ogg, Neda Nazemifard, and Zubin Jacob, “Axial super-resolution evanescent wave tomography,” Optics Letters, vol. 41, no. 23, 2016. DOI: https://doi.org/10.1364/OL.41.005499
Swapnali S. Shende, Sarang Pendharker, Zubin Jacob and Neda Nazemifard,“Total internal reflection fluorescence microscopy to investigate the distribution of residual bitumen in oil sands tailings,” Energy & Fuels, vol. 30, no. 7, 2016. (Impact factor: 3.091) DOI: https://doi.org/10.1021/acs.energyfuels.6b00745
Sarang Pendharker, R. K. Shevgaonkar and A. N. Chandorkar, “Optically controlled frequency reconfigurable microstrip antenna with low photoconductivity,” IEEE Antenna and Wireless Propagation Letters, vol. 13, 2014. DOI: https://doi.org/10.1109/LAWP.2013.2296621
Sarang Pendharker, R. K. Shevgaonkar and A. N. Chandorkar, “Optically controlled frequency reconfigurable bandstop filter with multi-frequency switching,” Microwave and Optical Technology Letters, vol. 56, no. 5, May 2014. DOI: https://doi.org/10.1002/mop.28297
Preeti B. Patil, Sarang Pendharker, and R. K. Shevgaonkar, “Electrical modeling of photonic crystal defects”, Microwave and Optical Technology Letters, vol. 54, no. 11, November 2012. DOI: https://doi.org/10.1002/mop.27115

Patents

Apparatus to measure polarization state of an incoming wave using orthogonal element array.
Inventor: Sarang Pendharker, R. K. Shevgaonkar and A. N. Chandorkar.
Reference No.: 2972/MUM/2014. Filed on 17/9/2014, Publication number: 13/2016, Publication Date: 25/03/2016.

Conference Proceedings

Sarang Pendharker, R. K. Shevgaonkar, and A. N. Chandorkar, “Optically Controlled Bandgap Reconfigurable Structure using Photo-induced Periodic Stubs” in IEEE IMaRC 2013, Delhi, Dec 14-16, 2013.
Sarang Pendharker, R.K. Shevgaonkar, and A.N. Chandorkar, “Photo-induced patch antenna for frequency and beam reconfiguration,” in International Conference on Fibre Optics and Photonics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper T3A.4.
Sarang Pendharker, R.K. Shevgaonkar, A.N. Chandorkar, “Optically Controlled Frequency Switching Band Stop Filter,” IEEE Asia Pacific conference of Antennas and propagation (APCAP), Singapore, Aug. 27-29 2012.
Sarang Pendharker, R.K. Shevgaonkar, A.N. Chandorkar, “Optically Controlled Single-Fed Circular Polarization Switching Patch Antenna,” 2011 IEEE Indian Antenna Week (IAW), Kolkata, pp.1-3, 18-22 Dec. 2011.
Sarang Pendharker, R.K. Shevgaonkar, A.N. Chandorkar, “A novel T-shaped optically controlled microwave phase shifter,” IEEE International Conference on Microwaves, Communications, Antennas and Electronics Systems (COMCAS), Israel, pp.1-3, 7-9 Nov. 2011.
Sarang Pendharker, R.K. Shevgaonkar and A.N. Chandorkar, “Optically Controlled Microwave Demultiplexer”, PHOTONICS 2010, IIT Guwahati, Dec. 2010, India.