activity
20182026
most citedFree-form micro-optics enabling ultra-broadband low-loss fiber-to-chip coupling

29 citations · 59 across the 12 of their papers we have counts for

collaborators

12 papers

physics.optics2026

Ultrawide-angle diffraction-limited 2D beam steering via hybrid integrated metasurface-photonic circuit

Zhiping He, Luigi Ranno, Padraic Burns +12

Two-dimensional (2D) wide field-of-view (FOV) beam steering is a key enabling capability for emerging free-space optical systems, including inter-satellite optical links, airborne…

physics.optics2025★ 1 cited

Wide field-of-view and large depth-of-field metalenses

Louis Martin-Monier, Zhaoyi Li, Fan Yang +5

The ability to visualize both macroscopic and microscopic features over an extended field of view is essential for endoscopic imaging and other applications ranging from machine vi…

physics.optics2025

Wafer-scale conformal metasurface optics

Louis Martin-Monier, Sehui Chang, Johannes Froech +11

Curved and conformal optics offer significant advantages by unlocking additional geometric degrees of freedom for optical design. These capabilities enable enhanced optical perform…

physics.optics2025★ 1 cited

2D Addressable Mid-infrared Metasurface Spatial Light Modulator

Cosmin-Constantin Popescu, Maarten Robbert Anton Peters, Oleg Maksimov +12

Active metasurfaces enable dynamic control of light for applications in beam steering, pixelated holography, and adaptive optics, but demonstrations of two-dimensional (2D) electri…

physics.optics2024★ 3 cited

Unravelling and circumventing failure mechanisms in chalcogenide optical phase change materials

Cosmin Constantin Popescu, Kiumars Aryana, Brian Mills +17

Chalcogenide optical phase change materials (PCMs) have garnered significant interest for their growing applications in programmable photonics, optical analog computing, active met…

physics.optics2024

Scalable single-microring hybrid III-V/Si lasers for emerging narrow-linewidth applications

Jiawei Wang, Xiang Li, Xin Guo +6

Silicon photonics, compatible with large-scale silicon manufacturing, is a disruptive photonic platform that has indicated significant implications in industry and research areas (…

physics.optics2023★ 1 cited

Highly-efficient fiber to Si-waveguide free-form coupler for foundry-scale silicon photonics

Luigi Ranno, Jia Xu Brian Sia, Cosmin Popescu +7

As silicon photonics transitions from research to commercial deployment, packaging solutions that efficiently couple light into highly-compact and functional sub-micron silicon wav…

physics.optics2023★ 1 cited

Crown ether decorated silicon photonics for safeguarding against lead poisoning

Luigi Ranno, Yong Zen Tan, Chi Siang Ong +12

Lead (Pb2+) toxification in society is one of the most concerning public health crisis that remains unaddressed. The exposure to Pb2+ poisoning leads to a multitude of enduring hea…

physics.optics2023★ 2 cited

An Open-Source Multi-functional Testing Platform for Optical Phase Change Materials

Cosmin-Constantin Popescu, Khoi Phuong Dao, Luigi Ranno +18

Owing to their unique tunable optical properties, chalcogenide phase change materials are increasingly being investigated for optics and photonics applications. However, in situ ch…

physics.optics2023★ 21 cited

Multi-material heterogeneous integration on a 3-D Photonic-CMOS platform

Luigi Ranno, Jia Xu Brian Sia, Khoi Phuong Dao +1

Photonics has been one of the primary beneficiaries of advanced silicon manufacturing. By leveraging on mature complementary metal-oxide-semiconductor (CMOS) process nodes, unprece…

physics.optics2021★ 29 cited

Free-form micro-optics enabling ultra-broadband low-loss fiber-to-chip coupling

Shaoliang Yu, Luigi Ranno, Qingyang Du +5

Efficient fiber-to-chip coupling has been a major hurdle to cost-effective packaging and scalable interconnections of photonic integrated circuits. Conventional photonic packaging…

cond-mat.mtrl-sci2018

Material, size and environment dependence of plasmon-induced hot carriers in metallic nanoparticles

Stefano Dal Forno, Luigi Ranno, Johannes Lischner

Harnessing hot electrons and holes resulting from the decay of localized surface plasmons in nanomaterials has recently led to new devices for photovoltaics, photocatalysis and opt…