Ponthea Zahraii, Saman Kashanchi, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, “A Deep Learning Framework for Prediction and Inverse Design of Nanoscale Optical Forces near Gradient Metasurfaces,” 19th International Congress on Artificial Materials for Novel Wave Phenomena-Metamaterials 2025, Amsterdam, Netherlands, September 1-6, 2025 (invited talk). (Link to the proceedings paper)
Hazel Caruthers, Nasim Mohammadi Estakhri, Nooshin M. Estakhri, “Coherent backscattering from finite and wavelength-scale disordered structures,” SPIE Optics+Photonics, Novel Optical Systems, Methods, and Applications XXVIII, San Diego, CA, August 3-7, 2025.
Ponthea Zahraii, Saman Kashanchi, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, “Machine learning-driven prediction and inverse design of optical forces near gradient metasurfaces,” SPIE Optics+Photonics, Optical Trapping and Optical Micromanipulation XXII, San Diego, CA, August 3-7, 2025.
Michael Cheng, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, “Sub-diffractive near-field hot spot generation by metasurfaces,” SPIE Optics+Photonics, Metamaterials, Metadevices, and Metasystems, San Diego, CA, August 3-7, 2025.
Nasim Mohammadi Estakhri, "Inverse Design Techniques for Biophotonics Applications: Optical Trapping and Sensing," Optica Biophotonics Conference, Coronado, CA, April 21-24, 2025 (invited talk). (Link to the proceedings paper)
Luke Valerio, Nooshin M. Estakhri, Nasim Mohammadi Estakhri, "Optimal Design of Plasmonic Nanotweezers with Genetic Algorithm," APS Global Physics Summit, Anaheim , CA, March 16-21, 2025.
Ponthea Zahraii, Saman Kashanchi, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, "Machine learning-assisted characterization of optical forces near gradient metasurfaces," APS Global Physics Summit, Anaheim , CA, March 16-21, 2025.
Nasim Mohammadi Estakhri, "Towards compact integrated refractive index sensors," APS Global Physics Summit, Anaheim , CA, March 16-21, 2025.
Nasim Mohammadi Estakhri, Ponthea Zahraii, Saman Kashanchi, and Nooshin M. Estakhri, "Predictive residual neural networks for optical trapping of small particles," Proc. SPIE 13112, Optical Trapping and Optical Micromanipulation XXI, 131120G (2 October 2024). (Link to the proceedings paper)
Azadeh Didari-Bader, Sophie Pelton, and Nasim Mohammadi Estakhri, "Topology inverse design of integrated biosensors," SPIE Optics+ Photonics, Metamaterials, Metadevices, and Metasystems, San Diego, CA, August 18-22, 2024. (Link to presentation recording)
Nasim Mohammadi Estakhri, “Predictive Models and Inverse Design for Nanoscale Optical Structures” Gordon Research Conference on Plasmonics & Nanophotonics, Sunday River, ME, July 7-12, 2024.
Nasim Mohammadi Estakhri, Michael Cheng, and Nooshin M. Estakhri, "Near-field Hot Spots Using Patterned Metasurfaces," Photonics North, Vancouver, Canada, May 28-30, 2024 (invited talk).
Nasim Mohammadi Estakhri, "Photonics Inverse Design Over Localized Spectral and Spatial Regions," Photonics North, Vancouver, Canada, May 28-30, 2024.
Michael Cheng, Tony Polanco, and Nasim Mohammadi Estakhri, "Subwavelength Near-field Control with Metasurfaces," National Conference on Undergraduate Research (NCUR) , Long Beach, CA, April 8-10, 2024.
Ponthea Zahraii, Saman Kashanchi, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, "Implementation of Residual Tandem Neural Networks in Inverse Photonic Design," National Conference on Undergraduate Research (NCUR) , Long Beach, CA, April 8-10, 2024.
Guadalupe Torres and Nasim Mohammadi Estakhri, "Waveguide-based Characterization of Common 3D printing Materials in the X-Band," Southern California Conference for Undergraduate Research (SCCUR), University of California, Fullerton, CA, November 18th, 2023.
Ponthea Zahraii, Saman Kashanchi, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, "Implementation of Residual Tandem Neural Networks in Inverse Photonic Design," Southern California Conference for Undergraduate Research (SCCUR), University of California, Fullerton, CA, November 18th, 2023.
Alex Vallone, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, "Inverse Engineering of Absorption and Scattering in Nanoparticles: A Machine Learning Approach," IEEE Photonics Conference, Orlando, FL, November 12-16, 2023.
Nasim Mohammadi Estakhri, "Self-dual systems for backscattering cancellation," Proc. SPIE 12647, Active Photonic Platforms (APP) 2023, 126470K (4 October 2023). (invited talk) (Link to presentation recording and proceedings paper)
Nasim Mohammadi Estakhri and Nooshin M. Estakhri, "Deeper Insight into Absorption Anomalies of Singular Nanoparticles," URSI International Symposium on Electromagnetic Theory (EMTS), May 23-26, 2023 (invited talk).
Nasim Mohammadi Estakhri and Nooshin M. Estakhri, "Theoretical 2D Surfaces for Arbitrary Near-field Control," URSI International Symposium on Electromagnetic Theory (EMTS), May 23-26, 2023 (invited talk).
Azadeh Bader, Nooshin M. Estakhri, and Nasim Mohammadi Estakhri, "Adaptive Phase-Change Metasurfaces for Passive Radiative Cooling" Conference on Lasers and Electro-Optics: CLEO 2023, San Jose, CA, May 7-12, 2023.
Alex Vallone and Nasim Mohammadi Estakhri, "Photonic Inverse Design with Deep Learning," Southern California Conference for Undergraduate Research (SCCUR), Pepperdine University, Malibu, CA, November 19th, 2022.
Nasim Mohammadi Estakhri, "Implementing Arbitrary Aperture Fields in Ultrathin Periodic Surfaces," IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Denver, CO, July 10-15, 2022 (invited talk).
Nasim Mohammadi Estakhri and Nooshin M. Estakhri, "Extinction properties of singular plasmonic nanoparticles," 150th Minerals, Metals, & Materials Society Annual Meeting & Exhibition: TMS 2022, Anaheim, CA, February 27-March 3, 2022 (invited talk).
Nasim Mohammadi Estakhri, Nooshin M. Estakhri, Raphael Kastner, and Nader Engheta, "Self Duality: From Symmetry Protected Transmission to Extreme Wave Funneling and Zero Backscattering," 15th International Congress on Artificial Materials for Novel Wave Phenomena-Metamaterials 2021, Online Conference, September 20-25, 2021 (invited talk).
Roee Geva, Nader Engheta, Nasim Mohammadi Estakhri, and Raphael Kastner, "Inherently Matched Waveguide-Fed Wideband Arrays with Self-Dual Elements," International Conference on Electromagnetics in Advanced Applications (ICEAA-IEEE AWPC-USNC URSI RSM), August 9-13, 2021 (invited talk).
Nasim Mohammadi Estakhri and Nooshin M. Estakhri, "Interplay of Absorption and Scattering in Metal-Dielectric Cylinders: Extreme Refractive Index Limits and Response Sensitivities," International Conference on Metamaterials, Photonic Crystals and Plasmonics: META 2021, Online Conference, July 20-23, 2021 (invited talk).
Nasim Mohammadi Estakhri and Nader Engheta, "Artificial Birefringence with Moving Metasurfaces," CLEO 2021, Online Conference, May 10-14, 2021.
Nasim Mohammadi Estakhri, Raphael Kastner, and Nader Engheta, “Generalized Class of Kerker Particles: Self-duality and Zero Backscattering,” CLEO 2020, Online Conference, May 11-15, 2020.
Nasim Mohammadi Estakhri, “Inversed-designed Metastructures to Solve Linear Equations,” 17th International System-on-Chip (SoC) Conference, Exhibit, and Workshops, University of California, Irvine, October 16-17, 2019 (invited talk).
Nasim Mohammadi Estakhri, “Seeing without being seen: A recipe to hide an antenna,” Gotham-Metro Condensed Matter Meeting, New York University, New York, NY, Oct5, 2019 (invited talk).
Nasim Mohammadi Estakhri, Nader Engheta, and Raphael Kastner, “Self-Dual Wideband Absorbers,” International Conference on Electromagnetics in Advanced Applications (ICEAA), Cartagena de Indias, Colombia, September 10-14, 2018.
M. Mencagli, B. Edwards, N. Mohammadi Estakhri, and N. Engheta, “Solving Integral Equations Using Waves in Metastructures,” Gordon Research Conference on Plasmonics & Nanophotonics, Sunday River, ME, July 8-13, 2018.
N. Mohammadi Estakhri and N. Engheta, “Flat Optics: Ultra-compact Optical Devices Enabled by Dielectric Metasurfaces,” Gordon Research Conference (and seminar) on Plasmonics & Nanophotonics, Sunday River, ME, July 8-13, 2018.
N. Mohammadi Estakhri and N. Engheta, “Flat Optical Mach-Zehnder Interferometer based on Gradient Metasurfaces,” 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, Boston, MA, July 8-13, 2018 (invited talk).
N. Mohammadi Estakhri, N. Engheta, and R. Kastner, “Wide Scan, Wideband Arrays with Self-Dual Point-Like Elements,” 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, Boston, MA, July 8-13, 2018.
N. Mohammadi Estakhri, N. Engheta, and R. Kastner, “Wideband, Periodically Arranged Self-Dual Subwavelength Waveguides,” International Microwave Symposium, Philadelphia, PA, June 10-15, 2018.
N. Mohammadi Estakhri and N. Engheta, “Free-space Optical Mach-Zehnder Modulator based on Two Cascaded Metasurfaces,” CLEO 2018, San Jose, CA, USA, May 13-18, 2018.
N. Mohammadi Estakhri, B. Edwards, and N. Engheta, “A Wave-based Approach to Solve Linear Integral Equations,” APS March Meeting, Los Angeles, CA, March 5-9, 2018.
N. Mohammadi Estakhri, R. Kastner, and N. Engheta, “Near-field patterning with reflectionless designer ultrathin metasurfaces,” 2018 SPIE Photonics West, San Francisco, CA, January 28-February 1, 2018 (invited talk).
M. J. Mencagli, N. Mohammadi Estakhri, B. Edwards, and N. Engheta, “Wave platforms for solving integral equations in spatial domain,” 2018 SPIE Photonics West, San Francisco, CA, January 28-February 1, 2018.
N. Mohammadi Estakhri, N. Engheta, and R. Kastner, “A Sub-Wavelength, Hollow-Core Waveguiding Network Based on Complementary High and Low Impedance Cladding,” URSI General Assembly & Scientific Symposium 2017, Montreal, Québec, Canada, August 19-26, 2017.
N. Mohammadi Estakhri, B. Edwards, and N. Engheta, “Metaplatforms for Solving Integral Equations with Waves,” 2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, San Diego, CA, July 9-14, 2017.
N. Mohammadi Estakhri, N. Engheta, and R. Kastner, “Transparent Metasurface with Prescribed Aperture Field,” 2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, San Diego, CA, July 9-14, 2017.
N. Engheta, B. Edwards, I. Liberal, N. Mohammadi Estakhri, A. Mahmoud, and Y. Lumer, “Extreme Platforms for Metaphotonics,” CLEO 2017, San Jose, CA, USA, May 13-18, 2017.
N. Mohammadi Estakhri, B. Edwards, and N. Engheta, “Solving Integral Equations with Optical Metamaterial-Waveguide Networks,” CLEO 2017, San Jose, CA, USA, May 13-18, 2017.
B. Edwards, N. Mohammadi Estakhri, and N. Engheta, “Metaplatforms for Analog Computing,” 2017 MRS Spring Meeting, Phoenix, AZ, USA, April 17-21, 2017.
I. Liberal, N. Mohammadi Estakhri, B. Edwards, and N. Engheta, “Salient Features of Extreme Photonics,” 2017 MRS Spring Meeting, Phoenix, AZ, USA, April 17-21, 2017, (invited talk).
J. Shi, M. H. Lin, Y. T. Chen, N. Mohammadi Estakhri, G. W. Tseng, Y. Wang, H. Y. Chen, C. A. Chen, C. K. Shih, A. Alù, X. Li, Y. H. Lee, and S. Gwo, “Surface Plasmon Polariton-Assisted Long-Range Exciton Transport in Monolayer Semiconductor Lateral Heterostructure,” APS March Meeting, New Orleans, LA, USA, March 13-17, 2017.
V. Neder, N. Mohammadi Estakhri, M. Knight, H. Chalabi, A. Polman, and A. Alù, “Wide-Angle, Broadband Graded Metasurface for Back Reflection,” 6th International Topical Meeting on Nanophotonics and Metamaterials (NanoMeta), Seefeld, Austria, January 4-9, 2017.
V. Neder, N. Mohammadi Estakhri, M. Knight, A. Polman, and A. Alù, “Wide-Angle, Broadband Graded Metasurface for Back Reflection,” 2016 MRS Fall Meeting, Boston, MA, November 29-December 2, 2016.
B. Orazbayev, N. Mohammadi Estakhri, M. Beruete, and A. Alù, “Ultrathin Carpet Cloak Based on Ring Resonators,” 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics – Metamaterials 2016, Crete, Greece, September 17-22, 2016.
D. L. Sounas, N. Mohammadi Estakhri, and A. Alù, “Metasurfaces with Engineered Reflection and Transmission: Optimal Designs through Coupled-Mode Analysis,” 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics – Metamaterials 2016, Crete, Greece, September 17-22, 2016.
B. Orazbayev, N. Mohammadi Estakhri, M. Beruete, and A. Alù, “Ultrathin Metasurface Carpet Cloak,” 7th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META’16), Malaga, Spain, July 25-28, 2016, (invited paper).
N. Mohammadi Estakhri, M. Tymchenko, Y. Hadad, J. S. Gomez-Diaz, D. L. Sounas, and A. Alù, “Graded Metasurfaces for Advanced Wave Control,” 7th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META’16), Malaga, Spain, July 25-28, 2016, (invited talk).
N. Mohammadi Estakhri, and A. Alù, “Plasmonic Nanoparticles to Enable Parity-Time Symmetry Breaking at the Nanoscale,” Gordon Research Conference on Plasmonics & Nanophotonics, Sunday River, ME, July 10-15, 2016.
N. Mohammadi Estakhri, V. Neder, M. Knight, A. Polman, and A. Alù, “Efficient, Broadband Ultrathin Retroreflector Metasurface for Visible and Near-infrared Frequencies,” 2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26-July 1, 2016.
N. Mohammadi Estakhri, J. C. Soric, and A. Alù, “Low-Scattering Sensor with Strong Absorption Properties,” 2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26-July 1, 2016.
N. Mohammadi Estakhri, J. S. Gomez-Diaz, and A. Alù, “Graphene-Based Gradient Metasurfaces for Extreme Wavefront Manipulation at Terahertz Frequencies,” 2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26-July 1, 2016.
B. Orazbayev, N. Mohammadi Estakhri, M. Beruete, and A. Alù, “Metasurface-Based Ultrathin Carpet Cloak,” 2016 European Conference on Antennas and Propagation, Davos, Switzerland, April 10-15, 2016.
F. Monticone, N. Mohammadi Estakhri, and A. Alù, “Linear and Nonlinear Optical Nano-Antennas,” 2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Canada, July 19-25, 2015, (invited talk).
N. Mohammadi Estakhri, and A. Alù, “Wave Manipulation Using Metasurfaces,” 11th International Conference on Optics of Surfaces and Interfaces (OSI-11), Austin, TX, USA, June 28-July 3, 2015.
N. Mohammadi Estakhri, and A. Alù, “Parity-Time Symmetry Breaking and Amplifier-Absorber Transitions in Plasmonic Nanoparticles,” CLEO 2015, San Jose, CA, USA, May 10-15, 2015.
N. Mohammadi Estakhri, and A. Alù, “Towards Efficient Nanoscale Wave Manipulation with Graded Plasmonic Metareflectors,” 2014 MRS Spring Meeting, San Francisco, CA, USA, April 21-25, 2014.
N. Mohammadi Estakhri, and A. Alù, “Superabsorbers with Minimized Scattering: How to Hide A Good Receiver,” 2014 MRS Spring Meeting, San Francisco, CA, USA, April 21-25, 2014.
N. Mohammadi Estakhri, and A. Alù, “Invisible probes: seeing without being seen,” 13th Annual Nano Night Poster Session, Austin, TX, USA, March 26, 2014.
Y. Wu, C. Zhang, J. Kim, M. Zhang, L. Sun, C. Shih, X. Li, Y. Zhao, N. Mohammadi Estakhri, X. X. Liu, A. Alù, and G. Pribil, “Extraordinary SPP propagation distance in epitaxially grown silver film,” APS March Meeting, Denver, CO, USA, March 3-7, 2014.
N. Mohammadi Estakhri, and A. Alù, “Graded metareflectors for wave manipulation and control at the nanoscale,” URSI-USNC National Radio Science Meeting, Boulder, CO, January 8-11, 2014.
N. Mohammadi Estakhri, R. Fleury, J. Soric, and A. Alù, “Passivity Limitations on Absorption Properties of Low-Scattering Objects,” 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics - Metamaterials 2013, Bordeaux, France, September 16-21, 2013.
N. Mohammadi Estakhri, and A. Alù, “Controlling the Optical Wave Propagation Using Engineered Nanoscale Metasurfaces,” 2013 IEEE International Symposium on Antennas and Propagation, Lake Buena Vista, FL, July 7-12, 2013. [This paper has been selected for an Honorable Mention].
N. Mohammadi Estakhri, R. Fleury, and A. Alù, “Superabsorbers and Invisible Sensors,” USNC-URSI National Radio Science Meeting, Lake Buena Vista, FL, July 7-12, 2013.
N. Mohammmadi Estakhri, and A. Alù, “Manipulating Optical Wave Propagation with Engineered Nanoscale Thin Metasurfaces for Light Trapping Solar Cells,” 3rd Annual UT Energy Forum-Texas Energy Research Challenge, Austin, TX, USA, February 21-22, 2013. [Awarded at the Texas Energy Research Poster Competition - 4th place].
N. Mohammadi Estakhri, and A. Alù, “Optical Composite Nanoparticles with Broadband Finite Absorption in the Limit of Infinitesimally Small Loss-es,” URSI-USNC National Radio Science Meeting, Boulder, CO, January 9-12, 2013.
A. Alù, C. Argyropoulos, P. Y. Chen, F. Monticone, N. Mohammadi Estakhri, Y. Zhao “Nanoantenna Arrays to Tailor Absorption, Polarization and Nonlinear Effects,” 4th International Topical Meeting on Nanophotonics and Metamaterials, NanoMeta 2013, Seefeld, Austria, January 3-6, 2013, (invited talk).
N. Mohammadi Estakhri, A. Alu, “Manipulating Optical Wave Propagation with Engineered Nanoscale Metasurfaces,” Wireless Networking & Communications Group - WNCG Board Meeting, Austin, TX, USA, October 25, 2012.
N. Mohammadi Estakhri, and A. Alù, “Large Absorption Efficiency in Ultralow Loss, Composite Plasmonic Nanoparticles,” 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, USA, July 8-14, 2012.
N. Mohammadi Estakhri, and A. Alù, “The Paradox of Finite Absorption in ‘Zero’-Loss Composite Plasmonic Nanoparticles,” Gordon Research Conference on Plasmonics: Light Matter Interaction at the Nanoscale, Colby College, ME, USA, June 10-15, 2012.
A. Eshaghi, N. Mohammadi-Estakhri, M. Shahabadi, “Phase-shifter-less beam scanning in a planar array of antennas with nonlinear front-end and spatial LO power distribution,” 2010 IEEE International Symposium on Antennas and Propagation, Toronto, Canada, July 11-17, 2010.