activity
20182026
most citedNarrowband-to-broadband switchable and polarization-insensitive terahertz metasurface absorber enabled by phase-change material

71 citations · 474 across the 17 of their papers we have counts for

collaborators
Showing 2019Show all

8 papers · 1 filter

physics.optics2019★ 12 cited

Coupling silica waveguides to photonic crystal waveguides through multilayered Luneburg lens

S. Hadi Badri, M. M. Gilarlue

We present a detailed analysis of a coupler based on the Luneburg lens to couple a silica waveguide to a photonic crystal waveguide. The dependence of coupling efficiency on the le…

physics.optics2019★ 25 cited

Ultrashort waveguide tapers based on Luneburg lens

S. Hadi Badri, M. M. Gilarlue

In integrated photonic circuits, silicon-on-insulator waveguides with different geometries have been employed to realize a variety of components. Therefore, efficient coupling of t…

physics.optics2019★ 17 cited

33 Slot waveguide crossing based on Maxwell's fisheye lens

S. Hadi Badri, M. M. Gilarlue, H. Soofi +1

Intersection of two or more silicon slot waveguides is inevitable in modern optical integrated circuits based on silicon on insulator (SOI) platform. In this article, we design a M…

physics.optics2019

Controlling branching angle of waveguide splitters based on GRIN lenses

S. Hadi Badri, M. M. Gilarlue, S. G. Gavgani

Designing beam splitting structures with wide branching angles is of great significance. The branching angle of conventional Y-junctions is limited. In this paper, we investigate t…

physics.optics2019★ 33 cited

Polygonal Maxwell's fisheye lens via transformation optics as multimode waveguide crossing

S. Hadi Badri, H. Rasooli Saghai, Hadi Soofi

Multimode waveguide crossings are crucial components for novel mode-division-multiplexing systems. One of the challenges of multimode waveguide routing in MDM systems is decreasing…

physics.optics2019★ 31 cited

Photonic crystal waveguide crossing based on transformation optics

M. M. Gilarlue, S. Hadi Badri

The absolute instruments like the Maxwell's fisheye (MFE) lens with aberration-free imaging properties have found interesting applications such as waveguide crossing. The flat wave…

physics.optics2019★ 33 cited

Multimode waveguide crossing based on square Maxwell's fisheye lens

S. Hadi Badri, H. Rasooli Saghai, Hadi Soofi

Mode-division multiplexing (MDM) is an emerging large-capacity data communication technology utilizing orthogonal guiding modes as independent data streams. One of the challenges o…

physics.optics2019★ 20 cited

Maxwell's fisheye lens as efficient power coupler between dissimilar photonic crystal waveguides

S. Hadi Badri, M. M. Gilarlue

The imaging properties of the Maxwell's fisheye (MFE) lens makes it a viable candidate to implement power coupling between different types of waveguides. A coupler based on the MFE…