Prof. Carlos A. Ríos Ocampo Profile

Prof. Carlos A. Ríos Ocampo

at Univ of Maryland College Park

SPIE Involvement:

Author | Special Event Speaker

Websites:

Personal Website

Publications (8)

Proceedings Article | 13 March 2024 Presentation

Freeform direct-write and rewritable photonic integrated circuits in phase-change thin films

Mo Li, Changming Wu, Haoqin Deng, Yi-Siou Huang, Heshan Yu, Ichiro Takeuchi, Carlos Ríos Ocampo

Proceedings Volume PC12896, PC128960B (2024) https://doi.org/10.1117/12.3012782

KEYWORDS: Photonic integrated circuits, Thin films, Optical computing, Multiphoton lithography, Signal processing, Reconfigurable computing, Rapid manufacturing, Prototyping, Optical signal processing, Optical interconnects

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SPIE Journal Paper | 17 October 2023 Open Access

In-situ nonvolatile and volatile modulation for optical neural networks

Carlos Ríos Ocampo

AP, Vol. 5, Issue 05, 050501, (October 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.5.050501

KEYWORDS: Antimony, Modulation, Photonic integrated circuits, Neural networks, Integrated optics, Selenium, Phase shift keying, Education and training, Microrings, Microresonators

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Proceedings Article | 15 June 2023 Presentation

Dynamic light shaping using active optical metasurfaces

Fan Yang, Cosmin-Constantin Popescu, Carlos Ríos Ocampo, Yifei Zhang, Mikhail Shalaginov, Hung-I Lin, Sensong An, Hyun Jung Kim, Matthew Julian, Calum Williams, Kiumars Aryana, Scott Bartram, Stephen Borg, William Humphreys, Clara Rivero-Baleine, Paul Miller, Christopher Roberts, Steven Vitale, Hualiang Zhang, Juejun Hu, Tian Gu

Proceedings Volume PC12514, PC125140A (2023) https://doi.org/10.1117/12.2664410

KEYWORDS: Active optics, Optical components, Nanoantennas, Integrated optics

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Proceedings Article | 17 March 2023 Poster

Nonvolatile band switching using transparent phase-change materials on Bragg structures

Nicholas Nobile, Chuanyu Lian, Hongyi Sun, Brian Mills, Cosmin Constantin Popescu, Juejun Hu, Carlos Ríos, Nathan Youngblood

Proceedings Volume PC12424, PC124240U (2023) https://doi.org/10.1117/12.2647868

KEYWORDS: Switching, Waveguides, Phase shift keying, Resonators, Refractive index, Modulation, Bragg gratings, Wavelength division multiplexing, Photons, Optical components

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Proceedings Article | 3 October 2022 Presentation + Paper

Ultra-low energy programmable non-volatile silicon photonics based on phase-change materials with graphene heaters

Zhuoran Fang, Rui Chen, Jiajiu Zheng, Asir Intisar Khan, Kathryn Neilson, Sarah Geiger, Dennis Callahan, Michael Moebius, Abhi Saxena, Michelle Chen, Carlos Rios, Juejun Hu, Eric Pop, Arka Majumdar

Proceedings Volume 12196, 1219602 (2022) https://doi.org/10.1117/12.2632208

KEYWORDS: Graphene, Phase shifts, Switching, Silicon photonics, Waveguides, Switches, Microrings, Photonics, Wavelength tuning

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Proceedings Article | 3 March 2022 Presentation + Paper

Phase change materials: the 'silicon' for analog photonic computing?

Carlos Ríos, Yifei Zhang, Qingyang Du, Cosmin-Constantin Popescu, Mikhail Shalaginov, Paul Miller, Christopher Roberts, Myungkoo Kang, Kathleen Richardson, Tian Gu, Steven Vitale, Juejun Hu

Proceedings Volume 12019, 1201909 (2022) https://doi.org/10.1117/12.2613410

KEYWORDS: Switching, Silicon, Integrated photonics, Optical computing, Lithium, Antimony, Switches, Photonic devices, Chalcogenides, Silicon photonics

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Proceedings Article | 24 August 2017 Paper

On-chip phase-change photonic memory and computing

Zengguang Cheng, Carlos Ríos, Nathan Youngblood, C. David Wright, Wolfram Pernice, Harish Bhaskaran

Proceedings Volume 10345, 1034519 (2017) https://doi.org/10.1117/12.2272127

KEYWORDS: Optical computing, Optoelectronics

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Proceedings Article | 31 May 2013 Paper

No-reference image quality assessment for horizontal-path imaging scenarios

Carlos Rios, Szymon Gladysz

Proceedings Volume 8720, 872006 (2013) https://doi.org/10.1117/12.2015710

KEYWORDS: Image quality, Signal to noise ratio, Deconvolution, Adaptive optics, Reconstruction algorithms, Point spread functions, Turbulence, Electronic filtering, Image processing, Matrices

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Showing 5 of 8 publications

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