29 citations · 59 across the 12 of their papers we have counts for
11 papers · 1 filter
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…
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…
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…
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…
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…
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 (…
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…
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…
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…
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…
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…