activity
20172023
most citedExtreme Broadband Transparent Optical Phase Change Materials for High-Performance Nonvolatile Photonics

730 citations · 2.6k across the 18 of their papers we have counts for

collaborators

18 papers

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★ 16 cited

Toward accurate thermal modeling of phase change material based photonic devices

Kiumars Aryana, Hyun Jung Kim, Cosmin-Constantin Popescu +5

Reconfigurable or programmable photonic devices are rapidly growing and have become an integral part of many optical systems. The ability to selectively modulate electromagnetic wa…

physics.optics2022★ 255 cited

Active metasurfaces: lighting the path to commercial success

Tian Gu, Hyun Jung Kim, Clara Rivero-Baleine +1

Active optical metasurfaces are rapidly emerging as a major frontier in photonics research, development, and commercialization. They promise compact, light-weight, and energy-effic…

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…

physics.optics2021★ 2 cited

Wide field-of-view flat lens: an analytical formalism

Fan Yang, Sensong An, Mikhail Y. Shalaginov +3

Wide field-of-view (FOV) optics are widely used in various imaging, display, and sensing applications. While conventional wide FOV optics rely on cascading multiple elements to sup…

physics.optics2021★ 15 cited

Ultra-compact nonvolatile phase shifter based on electrically reprogrammable transparent phase change materials

Carlos Ríos, Qingyang Du, Yifei Zhang +9

Energy-efficient programmable photonic integrated circuits (PICs) are the cornerstone of on-chip classical and quantum optical technologies. Optical phase shifters constitute the f…