activity
20152025
most citedBeam engineering for selective and enhanced coupling to multipolar resonances

72 citations · 150 across the 8 of their papers we have counts for

collaborators

8 papers

physics.optics2025

High-Q, size-independent, and reconfigurable optical antennas via zero-index material dispersion engineering

Prasad P. Iyer, Mihir Pendharkar, Anchal Agrawal +8

Enhancing light-matter interactions at the nanoscale is foundational to nanophotonics, with epsilon near zero (ENZ) materials demonstrating significant potential.High-quality (Q) f…

physics.optics2022★ 36 cited

Terahertz pulse generation with binary phase control in non-linear InAs metasurface

Hyunseung Jung, Lucy L. Hale, Sylvain D. Gennaro +9

The effect of terahertz (THz) pulse generation has revolutionized broadband coherent spectroscopy and imaging at THz frequencies. However, THz pulses typically lack spatial structu…

physics.optics2022★ 1 cited

Sub picosecond steering of ultrafast incoherent emission from semiconductor metasurfaces

Prasad P. Iyer, Nicholas Karl, Sadhvikas Addamane +3

The ability to dynamically steer fs pulses from a monolithically integrated source is a critical milestone for the fields of nanophotonics and ultrafast optics. The nascent field o…

physics.optics2021

Cascaded optical nonlinearities in dielectric metasurfaces

Sylvain D. Gennaro, Chloe F. Doiron, Nicholas Karl +3

Since the discovery of the laser, optical parametric nonlinearities have been at the core of efficient light conversion sources. Typically, thick transparent crystals or quasi-phas…

physics.app-ph2019★ 38 cited

Widely Tunable Optical and Thermal Properties of Dirac Semimetal CdAs

Hamid T. Chorsi, Shengying Yue, Prasad P. Iyer +5

In this paper we report a detailed analysis of the temperature-dependent optical properties of epitaxially grown cadmium arsenide (CdAs), a newly discovered three-dimension…

physics.optics2019★ 3 cited

Unidirectional Luminescence from Quantum Well Metasurfaces

Prasad P. Iyer, Ryan A. DeCrescent, Nikita A. Butakov +6

III-Nitride light emitting diodes (LEDs) are the backbone of ubiquitous lighting and display applications. Imparting directional emission is an essential requirement for many LED i…

physics.app-ph2019

Device Platform for Electrically Reconfigurable Dielectric Metasurfaces

Prasad P Iyer, Mihir Pendharkar, Chris J. Palmstrøm +1

Achieving an electrically tunable phased array optical antenna surface has been a principal challenge in the field of metasurfaces. In this letter, we demonstrate a device platform…

physics.optics2015★ 72 cited

Beam engineering for selective and enhanced coupling to multipolar resonances

Tanya Das, Prasad P. Iyer, Jon A. Schuller

Multipolar electromagnetic phenomena in sub-wavelength resonators are at the heart of metamaterial science and technology. In this letter, we demonstrate selective and enhanced cou…