Check out my google scholar profile for citation metrics.
Journal Publications
17. R. Audhkhasi, N. Xie, J. E. Fröch and A. Majumdar, “Single-shot Multispectral Imaging via a Chromatic Metalens Array,” ACS Photonics, DOI: 10.1021/acsphotonics.5c00344 (2025)
16. A. Tang, R. Audhkhasi, A. Saxena, V. Tara, G. H. Ahn, J. Vučković and A. Majumdar, “Cavity – waveguide coupling modulation via an optical analogue of superradiance in microring arrays,” ACS Photonics 12, 2 (2025)
15. V. Tara, R. Chen, J. Fröech, Z. Fang, J. Fang, R. Audhkhasi, M. Choi and A. Majumdar, Non-volatile reconfigurable transmissive notch filter using wide bandage phase change material antimony sulfide, IEEE Journal of Selected Topics in Quantum Electronics 30, 4 (2024).
14. R. Audhkhasi, M. Zhelyeznyakov, S. Brunton and A. Majumdar, “Leveraging statistical – spectral correlations of random metasurfaces for steganography and multi – wavelength cryptography,” Applied Optics 63, 28 (2024)
13. R. Audhkhasi and M.L. Povinelli, Full Spectral Image Encryption in the Infrared using an Electrically Reconfigurable Metasurface and a Matched Detector, Advanced Photonics Research 5, 2300254 (2023).
12. R. Audhkhasi, J. E. Fröch, Alan Zhan, Shane Colburn and A. Majumdar, Software-defined meta-optics, Applied Physics Letters 123, 150502 (2023).
11. B. Shrewsbury, R. Audhkhasi and M. L. Povinelli, Symmetry-breaking of dark-mode meta materials for voltage-switchable infrared absorption, Optics Letters 48, 9 (2023).
10. R. Audhkhasi, Y. Qu, M. Zhou, Z. Yu and M. L. Povinelli, Dynamically switchable self-focused thermal emission, Optics Express 31, 8 (2023).
9. R. Audhkhasi, M. R. Lien and M. L. Povinelli, Experimental implementation of metamaterials for secure multi-channel image encryption in the infrared, Advanced Optical Materials, 2203155 (2023).
8. Mashnoon A. Sakib, R. Audhkhasi and M. L. Povinelli, Using tunable inter-resonator coupling to reshape the mid-infrared absorption spectrum of graphene-based metamaterials, Optics Continuum 1, 1027 (2022).
7. R. Audhkhasi, Bo Zhao, Shanhui Fan, Zongfu Yu and M. L. Povinelli, Spectral emissivity modeling in multi-resonant systems using coupled-mode theory, Optics Express 30, 9463 (2022).
6. R. Audhkhasi and M. L. Povinelli, Generalized multi-channel scheme for secure image encryption, Scientific Reports 11, 22669 (2021).
5. R. Audhkhasi and M. L. Povinelli, Vanadium-dioxide microstructures with designable temperature-dependent thermal emission, Optics Letters 46, 1768 (2021).
4. R. Audhkhasi and M. L. Povinelli, Gold-black phosphorus nanostructured absorbers for efficient light trapping in the mid-infrared, Optics Express 28, 19562 (2020).
3. R. Audhkhasi and M. L. Povinelli, Spectral emissivity design using aluminum-based hybrid gratings, Optics Express 6, 8076 (2020).
2. R. Audhkhasi and M. L. Povinelli, Design of far-field thermal rectifiers using gold - vanadium dioxide micro - gratings, Journal of Applied Physics 126, 063106 (2019).
1. R. Verma, R. Audhkhasi, K. Thyagarajan and V. Banerjee, Photonic crystals: role of architecture and disorder on spectral properties, Journal of the Optical Society of America A 35, 370 (2018).
Conference Proceedings
39. R. Audhkhasi, Anna Wirth – Singh, Maksym Zhelyeznyakov, Rose Johnson, Vladimir Yarmolik and Arka Majumdar, “Unidirectional imaging in the mid – infrared using metasurfaces with engineered disorder (oral presentation),” SPIE Photonics West (2025)
38. R. Audhkhasi, Maksym Zhelyeznyakov, Steven Brunton and Arka Majumdar, “Utilizing statistical – spectral correlations of random metasurfaces for multi – wavelength cryptography (oral presentation),” SPIE Photonics West (2025)
37. R. Audhkhasi, Anna Wirth – Singh, Maksym Zhelyeznyakov, Rose Johnson, Vladimir Yarmolik and Arka Majumdar, “Unidirectional and synergistic imaging in the mid – infrared using metasurfaces with engineered disorder (oral presentation),” SPIE Optics+Photonics (2024)
36. R. Audhkhasi, Maksym Zhelyeznyakov, Steven Brunton and Arka Majumdar, “Utilizing statistics – dependent spectral properties of random metasurfaces for multi – wavelength cryptography (oral presentation),” SPIE Optics+Photonics (2024)
35. R. Audhkhasi and M. L. Povinelli, “Achieving full – spectral image encryption in the infrared using an electrically tunable metasurface and a matched detector (oral presentation),” SPIE Optics+Photonics (2024)
34. R. Audhkhasi, Maksym Zhelyeznyakov, Anna Wirth – Singh and Arka Majumdar, “Disordered metasurface doublets for asymmetric visibility and synergistic imaging in the mid - infrared (oral presentation),” CLEO (2024)
33. R. Audhkhasi, Maksym Zhelyeznyakov, Steven Brunton and Arka Majumdar, “Effect of configuration statistics on the spectral properties of random arrays of particles (poster presentation),” CLEO (2024)
32. R. Audhkhasi, Anna Wirth – Singh, Maksym Zhelyeznyakov and Arka Majumdar, “Disordered meta – doublets for unidirectional and synergistic imaging in the mid - infrared (oral presentation),” MRS Spring Meeting (2024)
31. R. Audhkhasi, Maksym Zhelyeznyakov, Steven Brunton and Arka Majumdar, “Leveraging correlations between the statistics and spectral properties of random metasurfaces for multi-wavelength cryptography (poster presentation),” MRS Spring Meeting (2024)
30. R. Audhkhasi and M. L. Povinelli, “Realizing full – spectral image encryption in the infrared using an electrically tunable metasurface and a matched detector (poster presentation),” MRS Spring Meeting (2024)
29. R. Audhkhasi and M. L. Povinelli, Multi-channel encryption scheme for secure optical communication, SPIE Photonics West (2023).
28. R. Audhkhasi and M. L. Povinelli, Spectral emissivity prediction in multi-resonant metamaterials using temporal coupled-mode theory, SPIE Photonics West (2023).
27. R. Audhkhasi and M. L. Povinelli, Graphene-based metamaterial for on-demand spectral absorption shaping in the mid-infrared, SPIE Photonics West (2023).
26. R. Audhkhasi and M. L. Povinelli, Spectral emissivity prediction in multi-resonator metamaterials using temporal coupled-mode theory, MRS Fall Meeting (2022).
25. R. Audhkhasi and M. L. Povinelli, Graphene-based metamaterial for on-demand spectral absorption tailoring in the mid-infrared, MRS Fall Meeting (2022).
24. R. Audhkhasi and M. L. Povinelli, Multi-channel approach for secure metasurface-based image encryption, MRS Fall Meeting (2022).
23. R. Audhkhasi and M. L. Povinelli, Spectral emissivity prediction in multi-resonant systems, IEEE Photonics Conference (2022).
22. R. Audhkhasi, M. Sakib and M. L. Povinelli, Graphene-based meta material for in-situ spectral absorption tailoring in the mid-infrared, IEEE Photonics Conference (2022).
21. R. Audhkhasi and M. L. Povinelli, Secure multi-channel scheme for optical image encryption, SPIE Optics+Photonics (2022).
20. R. Audhkhasi and M. L. Povinelli, Spectral emissivity prediction in multi-resonator metamaterials, SPIE Optics+Photonics (2022).
19. R. Audhkhasi, M. Sakib, and M. L. Povinelli, Graphene-based meta material for on-demand spectral shaping in the mid-infrared, SPIE Optics+Photonics (2022).
18. M. L. Povinelli, R. Audhkhasi, A. Ghanekar, M. Sakib, A. Morsy and B. Shrewsbury, Reconfigurable thermal absorbers and emitters, SPIE Optics+Photonics (2022).
17. R. Audhkhasi and M. L. Povinelli, Multi-channel approach for secure optical image encryption, CLEO (2022).
16. R. Audhkhasi and M. L. Povinelli, Spectral emissivity modeling in multi-resonator systems, CLEO (2022).
15. R. Audhkhasi and M. L. Povinelli, Enhanced thermal emission tunability using vanadium-dioxide microstructures, SPIE Photonics West (2022).
14. R. Audhkhasi and M. L. Povinelli, Designable, temperature-dependent thermal emission using vanadium-dioxide microstructures, IEEE Photonics Conference (2021).
13. R. Audhkhasi and M. L. Povinelli, Vanadium-dioxide microstructures with enhanced thermal emission tunability, SPIE Optics+Photonics (2021).
12. M. L. Povinelli, A. M. Morsy and R. Audhkhasi, Modulation of emissivity in coupled-resonator systems, Proc. SPIE Optics+Photonics (2021).
11. R. Audhkhasi and M. L. Povinelli, Microstructures with Designable, Temperature-dependent Thermal Emission, CLEO (2021).
10. R. Audhkhasi and M. L. Povinelli, Enhanced light trapping in the mid-infrared using gold-black phosphorus nanostructured absorbers, SPIE Photonics West (2021).
9. R. Audhkhasi and M. L. Povinelli, Spectral emission tailoring using aluminum-based hybrid gratings, Proc. SPIE Photonics West (2021).
8. R. Audhkhasi and M. L. Povinelli, Efficient light trapping in the infrared using gold-black phosphorus nanostructured absorbers, Fourteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials, 2020).
7. R. Audhkhasi and M. L. Povinelli, Aluminum-based hybrid gratings for infrared spectral emissivity design, Fourteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials, 2020).
6. R. Audhkhasi and M. L. Povinelli, Efficient Light Trapping in the Mid-infrared using Gold-black phosphorus Nanostructured Absorbers, Frontiers in Optics and Laser Science (2020).
5. R. Audhkhasi and M. L. Povinelli, Design of Aluminum-based Hybrid Gratings with Predefined Infrared Spectral Response, Frontiers in Optics and Laser Science (2020).
4. R. Audhkhasi and M. L. Povinelli, Achieving efficient light trapping in the infrared using gold-black phosphorus nanostructured absorbers, SPIE Optics+Photonics (2020).
3. R. Audhkhasi and M. L. Povinelli, Aluminum-based hybrid gratings for spectral synthesis in the infrared, SPIE Optics+Photonics (2020).
2. R. Audhkhasi and M. L. Povinelli, Achieving far-field thermal rectification using gold - vanadium dioxide micro-gratings, SPIE Photonics West (2020).
1. R. Audhkhasi and M. L. Povinelli, Design of tunable infrared absorbers based on vanadium dioxide, Proc. SPIE 11081, SPIE Optics+Photonics (2020).