Papers in Journals

1. B Asrafali, S Madhavamoorthi, F Khan, Z Ouyang, and N. Yogesh “Fabry-Perot Modes of the Transformation Optics (TO)-Based Cavity and Cascaded TO Cavities for Directional Electromagnetic Power Coupling Applications” Optik 299, 171601 (2024).

2. R. R. Darthy, C. Venkateswaran, V. Subramanian, Z. Ouyang, and N. Yogesh “Accessing new avenues of photonic bandgaps using two-dimensional non-Moiré geometries” Scientific Reports 13, 17077 (2023).

3. R. R. Darthy, C. Venkateswaran, L. Kumar, and N. Yogesh, “Engineerable wavevector diagrams of non-Moiré geometry-based photonic crystals for beam steering applications” Optics Continuum 2 (8), 1803-1812 (2023).

4. M Marishwari, S Madhavamoorthy, R Meena, B Asrafli, V Subramanian Z. Ouyang, and N. Yogesh “Directional, multi-beam, and compact wavefront transformers based on 3-D near-zero refractive index metamaterial” Optics Continuum 2 (5), 1093-1105 (2023).

5. M. Marishwari, V. Subramanian, Zhengbiao Ouyang and N. Yogesh, "Terahertz Sub-Wavelength Focusing and Negative Refraction Assisted Beam Transferring Based on 3-D Metamaterial Flat Lens Configurations", Progress In Electromagnetics Research B, Vol. 99, 121-138 (2023).  http://dx.doi.org/10.2528/PIERB23012803

6. M. Marishwari, V. Subramanian, Zhengbiao Ouyang and N. Yogesh, "3-D Metamaterial Based Terahertz Planoconcave Lenses for Linearly and Circularly Polarized Waves" Progress In Electromagnetics Research B, Vol. 98, 21-37 (2023). http://dx.doi.org/10.2528/PIERB22101305

7. Tony Mathew Blessan, M Gayathri, T Alagesan, and N Yogesh, "Terahertz Optoelectronic Devices Based on Three-Dimensional Modelling of Symmetrically Coupled Surface Plasmon Polariton Resonances in Bulk Dirac Semimetal" Sensors & Transducers 258 (4), 10-17 (2022). https://www.sensorsportal.com/HTML/DIGEST/july_2022/Vol_258/P_3269.pdf

8. Tony Mathew Blessan, C. Venkateswaran, and N. Yogesh "All-Optical Terahertz Logic Gates Based on Coupled Surface Plasmon Polariton Sub-wavelength Waveguiding in Bulk Dirac Semimetal" Optik 257, 168795 (2022).https://doi.org/10.1016/j.ijleo.2022.168795

9. M. Pavithra, K. Ravichandran, V. Subramanian, Zhengbiao Oyang, and N. Yogesh. "Tailoring Terahertz Far-Field Radiation Pattern Based on Asymmetric Transmission of Linearly Polarized Waves in Metasurface Tiles" JOSA B. 39(3) 771-778 (2022). https://doi.org/10.1364/JOSAB.444491

10. R. Rachel Darthy, C. Venkateswaran, and N. Yogesh. "Tiles of Non-Moire Photonic Structures for Tailoring the Light Path with Multi-Channel Waveguiding and Beam Steering" Applied Physics Express. 15, 022012 (2022).  https://doi.org/10.35848/1882-0786/ac4d05

11. Gayathri, M., Alagesan, T., and N.Yogesh, "Cavity Confinement in Defect-Based Honeycomb Photonic Crystals and the Design of Waveguide-Cavity Fano-Coupler for Dielectric Loss Sensing.” Optics Communications 508,127757 (2022).https://doi.org/10.1016/j.optcom.2021.127757

12. B.Asrafali, Venkateswaran, C., and N.Yogesh. "Spatially Squeezed Electromagnetic Modes of a Transformational Optics Based Cavity Resonator for Targeted Material Heating.” Progress In Electromagnetics Research M, 106, 205-214 (2021) https://doi.org/10.2528/PIERM21101804

13. Tony Blessan Mathew and N. Yogesh, Terahertz Surface Plasmon Polariton Resonances and Microparticle Sensing in Bulk Dirac Semimetal with Spatially Perturbed Geometries, JOSA B, Vol. 38, 2261-2266 (2021). https://doi.org/10.1364/JOSAB.428857

14. R. Rachel Darthy, C. Venkatesawaran, V. Subramanian, Zhengbiao Ouyang and N. Yogesh, Fabry-Pérot modes associated with hyperbolic-like dispersion in dielectric photonic crystals and demonstration of a bending angle sensor at microwave frequencies Scientific Reports, Vol. 10, 11117 (2020). https://doi.org/10.1038/s41598-020-67965-9

15. C. K. Amaljith, C. Venkatesawaran, V. Subramanian, Zhengbiao Ouyang and N. Yogesh, Anisotropic asymmetric transmission of circularly polarized terahertz waves in a three dimensional spline assembly Optics Lett., Vol. 45, 2315-2318 (2020). https://doi.org/10.1364/OL.388646

16. Lincy Stephen, N. Yogesh, and V. Subramanian, Realization of Bidirectional, Bandwidth-Enhanced Metamaterial Absorber for Microwave Applications Scientific Reports, Vol. 9,10058 (2019). https://doi.org/10.1038/s41598-019-46464-6

17. G. Vasantharajan, N. Yogesh, and V. Subramanian, Beam steering based on coordinate transformation of Fermat spiral configurations, AIP Advances, Vol. 9, 075217 (2019). https://doi.org/10.1063/1.5045489

18. Lincy Stephen, N. Yogesh, and V. Subramanian, Broadband asymmetric transmission of linearly polarized electromagnetic waves based on chiral metamaterial, J. App. Phys., Vol. 123, 033103 (2018). https://doi.org/10.1063/1.5008614

19. Z.-L. Deng, N. Yogesh, X.-D. Chen, W.-J. Chen, J.-W. Dong, Z. Ouyang and G. P. Wang, Full controlling of Fano resonances in metal-split superlattice, Scientific Reports, Vol. 5, 18461 (2015). https://doi.org/10.1038/srep18461

20. N. Yogesh, T. Fu, F. Lan, and Z. Ouyang, Far-infrared circular polarization and polarization filtering based on Fermat’s spiral chiral metamaterial, J. IEEE Photonics, Vol. 7, 4600212 (2015). https://doi.org/10.1109/JPHOT.2015.2423291

21. N. Yogesh, Q. Yu, and Z. Ouyang, Single- and multi-beam confinement of electromagnetic waves in a photonic crystal open cavity providing rapid heating and high temperatures, Photon.Nanostruct. Fund. Appl. Vol. 15, 89-98 (2015). https://doi.org/10.1016/j.photonics.2015.04.003

22. R. Rajkumar, N. Yogesh, and V. Subramanian, Cross-polarization converter formed by rotated-arm-square chiral metamaterial, J. App. Phys., Vol. 114, 224506 (2013). https://doi.org/10.1063/1.4846096

23. N. Yogesh and V. Subramanian, Beam steering at higher photonic bands and design of a directional cloak formed by photonic crystals, Advanced Electromagnetics, Vol. 2, 85-88 (2013).  https://doi.org/10.7716/aem.v2i1.159

24. N. Yogesh and V. Subramanian, Spatial beam compression and effective beam injection using triangular index profile photonic crystals, Prog. Electromag. Res., Vol. 129, 51-67 (2012). https://doi.org/10.2528/PIER12050206

25. N. Yogesh and V. Subramanian, Field confinement and quality factors of the multilayer cavity resonators, J. Appl. Phys., Vol. 110, 114519 (2011). https://doi.org/10.1063/1.3667292

26. N. Yogesh and V. Subramanian, Source transformation device formed by one-dimensional photonic crystals, Optics Lett., Vol. 36, 1737-1739 (2011). https://doi.org/10.1364/OL.36.001737

27. N. Yogesh and V. Subramanian, Near field focusing effect and hyperbolic dispersion in dielectric photonic crystals, Prog. Electromag. Res., M Vol. 20, 179-130 (2011). https://doi.org/10.2528/PIERM11070702

28. N. Yogesh and V. Subramanian, Analysis of self-collimation based cavity resonator formed by photonic crystal, Prog. Electromagn. Res., M Vol. 12, 115-130 (2010). https://doi.org/10.2528/PIERM10012604

29. E. D. V. Nagesh, N. Yogesh and V. Subramanian, Application of defect induced microwave bandgap structures for non-destructive evaluation and the construction of a frequency selector switch, Progress in Electromagnetic Research Symposium Online, 4, 631-634 (2008).

Papers in Conference Proceedings

1. M. Gayathri, T. Alagesan and N. Yogesh, Electromagnetic wave confinement in a defect-based honeycomb photonic crystals, AIP Conference Proceedings 2265, 030395 (2020); https://doi.org/10.1063/5.0016629

2. Rachel Darthy, C. Venkateswaran and N. Yogesh, One-Dimensional Photonic Hypercrystal for Effective Transmission of Electromagnetic Waves, AIP Conference Proceedings 2265, 030389 (2020); https://doi.org/10.1063/5.0016934

3. C. K. Amaljith, and N. Yogesh Parameter retrieval of bi layered chiral metamaterial for circularly polarized electromagnetic waves, AIP Conference Proceedings 2265, 030387 (2020); https://doi.org/10.1063/5.0016957

4. M. Pavithra, K. Ravichandran and N. Yogesh, Optical Activity of Two-Dimensional Terahertz Chiral Metamaterial, AIP Conference Proceedings 2265, 030397 (2020); https://doi.org/10.1063/5.0016977

5. R. Varsha, M. Pavithra and N. Yogesh, Coded metasurface with optical activity based on broadband asymmetric transmission of linearly polarized electromagnetic waves,  2019 Photonics & Electromagnetics Research Symposium, Rome, Italy 17-20 June 2019, https://doi.org/10.1109/PIERS-Spring46901.2019.9017447

6. C. K. Amaljith, M. Pavithra and N. Yogesh, Delay time characteristics of a three-dimensional THz Chiral metamaterial for asymmetric transmission of circularly polarized electromagnetic waves, 2019 Photonics & Electromagnetics Research Symposium, Rome, Italy 17-20 June 2019. https://doi.org/10.1109/PIERS-Spring46901.2019.9017837

7. M. Pavithra, K. Ravichandran and N. Yogesh, Graphene tunability for transmission type terahertz chiral metamaterial, 2019 Photonics & Electromagnetics Research Symposium, Rome, Italy 17-20 June 2019. https://doi.org/10.1109/PIERS-Spring46901.2019.9017515

8. R. Rachel Darthy, C. Venkateswaran and N. Yogesh, Realization of Moire pattern photonic crystal for electromagnetic wave propagation applications 2019 Photonics & Electromagnetics Research Symposium, Rome, Italy 17-20 June 2019. https://doi.org/10.1109/PIERS-Spring46901.2019.9017676

9. K. Renuga Rani, K. Ravichandran and N. Yogesh, Group velocity dispersion in terahertz hollow-core hexagonal photonic crystal fiber 2019 Workshop on Recent Advances in Photonics (WRAP), IIT Guwahati, 13-14 Dec. 2019. https://doi.org/10.1109/WRAP47485.2019.9013686

10. K. Kalaiarasi, K. Ravichandran and N. Yogesh, Enhanced Bandwidth of Electromagnetically Induced Transparency Effect in Two-dimensional Terahertz Metamaterial 2019 Workshop on Recent Advances in Photonics (WRAP), IIT Guwahati, 13-14 Dec. 2019. https://doi.org/10.1109/WRAP47485.2019.9013823

11. J. Breethy, K. Ravichandran, and N. Yogesh, Terahertz surface plasmon polaritons resonance using metamaterials, Students conference on optics and photonics-2018, PRL, Ahmedabad. 4-6 Oct 2018, p. no. 53-54 (2018).

12. V. Dakshini, C. Venkateswaran, and N. Yogesh, Miniaturized terahertz (THz) metamaterials for radiation applications, Students conference on optics and photonics-2018, PRL, Ahmedabad. 4-6 Oct 2018, p.no. 55-56 (2018).

13. M. Pavithra, K. Ravichandran, and N. Yogesh, Role of electric and magnetic dipole moments in the asymmetric transmission of chiral metamaterial, Students conference on optics and photonics-2018, PRL, Ahmedabad. 4-6 Oct 2018, p.no. 115-116 (2018).

14. R. Rachel Darthy, C. Venkateswaran, and N. Yogesh, Observation of strong photonic bandgap from the tiles of Moire Patterns, Students conference on optics and photonics-2018, PRL, Ahmedabad. 4-6 Oct 2018,  p.no. 149-150 (2018).

15. Lincy Stephen, N. Yogesh, G. Vasantharajan, and V. Subramanian, A simple chiral metamaterial for broadband asymmetric transmission of linearly polarized electromagnetic waves at microwave frequencies META 2017 Conference, 25-28 July 2017, Incheon-Korea.

16. R Rajkumar, N Yogesh, V Subramanian, and Isabelle Huynen, Nearly-perfect circular polarization converter formed by triangular-geometric chiral metamaterial 2016 10th European Conference on Antennas and Propagation (EuCAP), 10.1109/EuCAP.2016.7481563

17. N. Yogesh, Q. Yu, and Z. Ouyang, Demonstration of multi-beam microwave heating based on the wave confinement of hexagonal photonic crystal multilayered cavity, Progress in Electromagnetic Research Symposium 2015, Prague, Czech Republic, 06-09 July 2015, Page No; 2756-2759 (2015). http://piers.org/pierspublications/PIERS2015PragueProceedings04.pdf

18. N. Yogesh, Q. Yu, and Z. Ouyang, THz twist polarizer based on supramolecular Fermat’s spiral chiral metamaterial, Progress in Electromagnetic Research Symposium 2015, Prague, Czech Republic, 06-09 July 2015, Page No; 233-237 (2015). http://piers.org/pierspublications/PIERS2015PragueProceedings01.pdf

19. G. Wen, M. Lin, N. Yogesh, and Z. Ouyang, TE-Optical switch based on the modification of photonic bandgaps in photonic crystals, IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA), 1157-1159 (2014). 10.1109/WARTIA.2014.6976484

20. P. Chithra lekha, S. Dinesh Kumar, N. Yogesh, and V. Subramanian, Double negative refraction in barium substituted magnesium ferrite in the microwave frequency region AIP Conference Proceedings, Vol. 1512, Page No: 1240-1241 (2013). https://doi.org/10.1063/1.4791500

21. N. Yogesh and V. Subramanian, Directional cloak formed by photonic crystal waveguides, 2012 IEEE/MTT-S International Microwave Symposium Digest, 10.1109/MWSYM.2012.6258281

22. N. Yogesh and V. Subramanian, Dielectric-dielectric composite photonic crystals for negative refraction of unpolarized electromagnetic waves, PIERS Proceedings, Cambridge, USA, July 5-8, 798-803, 2010. http://piers.org/pierspublications/PIERS2010CambridgeProceedings03.pdf

Book Chapter

1. Yogesh, N., Ouyang, Z. (2022). Metamaterial Frequency Selective Surfaces As Polarizers. In: Narayan, S., Kesavan, A. (eds) Handbook of Metamaterial-Derived Frequency Selective Surfaces. Metamaterials Science and Technology, vol 3. Springer, Singapore. https://doi.org/10.1007/978-981-15-8597-5_

Photonic crystals, Metamaterials, and Terahertz Devices

1. Patent No: CN105161857B, Granted on: 12-Oct-2018, Application No: ZL201510484126.5, Filed on: 03-August-2015, Title: Left-handed circular-polarization conversion metamaterial film, (English Version) Inventors: Zhengbiao Ouyang, Quanqiang Yu, N. Yogesh

2. Patent No: CN105044814A, Granted on: 04-July-2017, Application No: ZL201510483913.8, Filed on: 03-August-2015, Title: Right-handed circular-polarization conversion metamaterial film, (English Version) Inventors: Zhengbiao Ouyang, Quanqiang Yu, N. Yogesh

2023-2024 (Winter Semester)

• PH1113E-Electromagnetics
• PH1119E-Electromagnetic Simulation Lab
• PH7329-Photonic Bandgap Structures (M.Sc and Ph.D. Students)

2023-2024 (Monsoon Semester)

• PH3025D-Modern Optics
• PH6305E-Electronics Theory and Lab (M.Sc.)
• ZZ6603E-Research Methodology (M.Sc.)

2022-2023 (Winter Semester)

• PH7329-Photonic Bandgap Structures (M.Sc.)
• PH2007D-Digital Electronics (B.Tech Engineering Physics)
• PH2093D-Digital Electronics Lab (B.Tech Engineering Physics)

2022-2023 (Monsoon Semester) 

• PH6304-Electronics (M.Sc.)
• PH2003D-Analog Electronics (B.Tech Engineering Physics)
• PH2092D-Analog Electronics Lab (B.Tech Engineering Physics)

Ph.D. Scholars

• R. Meena (2022-): Area of Research: Metasurface and Near-Zero Refraction
• K. Renuka Rani (2023-) Co-guideship: VIT Chennai: Area: Photonic crystals

M.Sc. Students

• Aravind B (2023-2024)-Spatial Phase-Profile Metasurface for Optical Trapping Applications
• Vincent Shanto (2023-2024)-Asymmetric Cross-Polarization Reflection Metasurface for Circularly Polarized Waves
• Muhammed Sajjad K S (2023-2024)-Metamaterial Absorbers
• Priyankar Pandey (2022-2023): Area: 3-D Metamaterial and Parameter Retrieval
• Gopika P. J (2022-2023): Area: Fano Resonance Metasurfaces

B.Tech. Engineering Physics Students

• S. Gokul, Sneha Mary Biju, and P. Sandra [2023-2024] (S7 and S8 Project) Space-coiled Photonic Structures and Hyperbolic Metasurfaces
• Abijth K Reju [2023-2024] (B.Tech EP, S4-S6): Talbot Metasurfaces
• Akshay S Nair and Adithya Danaj [2023-2024] [B.Tech EP, S4-S6] Cross-polarization chiral metasurface for dielectric sensing. 
• Abdul Varis C, Amogh S, Arjun V., [2023-2024] [B.Tech EP, S4-S6] (Student Innovation Project) Electromagnetic Energy Harvesting Metasurfaces
• Abhishek L P [2023-2024], [B.Tech EP, S4-S6]: Graphene Surface Plasmon Polariton

Research Collaborations

• M. Pavithra [University of Madras] Research Area: Asymmetric Transmission in THz Metasurfaces
• B. Asrafali [Shenzhen University, China] Photonic crystals, Metasurfaces and Transformation Optics 

SERB-SRG (2024-2026)

• Title: Spatial- and Time-modulated Chiral Metasurfaces for Terahertz Waveband Applications
• Principal Investigator
• Sanctioned Amount: Rs. 25 Lakhs/-
• Status: Running

INSPIRE Faculty Fellowship (2016-2022)

• Title: Bridging the Terahertz Gap (0.1 THz to 10 THz) Using Metamaterials – Explorations in Plasmonics, Chiral Optics and Graphene Photonics
• Agency: DST
• Principal Investigator
• Sanctioned Amount: Rs. 35 Lakhs/-
• Status: Completed