Zobrazeno 1 - 10
of 920
pro vyhledávání: '"GU, Tian"'
Transfer learning enhances model performance in a target population with limited samples by leveraging knowledge from related studies. While many works focus on improving predictive performance, challenges of statistical inference persist. Bayesian a
Externí odkaz:
http://arxiv.org/abs/2412.02986
Autor:
Popescu, Cosmin Constantin, Aryana, Kiumars, Mills, Brian, Lee, Tae Woo, Martin-Monier, Louis, Ranno, Luigi, Sia, Jia Xu Brian, Dao, Khoi Phuong, Bae, Hyung-Bin, Liberman, Vladimir, Vitale, Steven, Kang, Myungkoo, Richardson, Kathleen A., Ocampo, Carlos A. Ríos, Calahan, Dennis, Zhang, Yifei, Humphreys, William M., Kim, Hyun Jung, Gu, Tian, Hu, Juejun
Chalcogenide optical phase change materials (PCMs) have garnered significant interest for their growing applications in programmable photonics, optical analog computing, active metasurfaces, and beyond. Limited endurance or cycling lifetime is howeve
Externí odkaz:
http://arxiv.org/abs/2409.12313
Autor:
Wirth-Singh, Anna, Fröch, Johannes E., Yang, Fan, Martin, Louis, Zhang, Hualiang, Tanguy, Quentin T., Zhou, Zhihao, Huang, Luocheng, John, Demis D., Stamenic, Biljana, Hu, Juejun, Gu, Tian, Majumdar, Arka
Wide field of view and light weight optics are critical for advanced eyewear, with applications in augmented/virtual reality and night vision. Conventional refractive lenses are often stacked to correct aberrations at wide field of view, leading to l
Externí odkaz:
http://arxiv.org/abs/2406.14725
Autor:
Garud, Parth, Aryana, Kiumars, Popescu, Cosmin Constantin, Vitale, Steven, Sharma, Rashi, Richardson, Kathleen, Gu, Tian, Hu, Juejun, Kim, Hyun Jung
Electrically tunable optical devices present diverse functionalities for manipulating electromagnetic waves by leveraging elements capable of reversibly switching between different optical states. This adaptability in adjusting their responses to ele
Externí odkaz:
http://arxiv.org/abs/2404.14220
Autor:
Ranno, Luigi, Sia, Jia Xu Brian, Popescu, Cosmin, Weninger, Drew, Serna, Samuel, Yu, Shaoliang, Kimerling, Lionel C., Agarwal, Anuradha, Gu, Tian, Hu, Juejun
As silicon photonics transitions from research to commercial deployment, packaging solutions that efficiently couple light into highly-compact and functional sub-micron silicon waveguides are imperative but remain challenging. The 220 nm silicon-on-i
Externí odkaz:
http://arxiv.org/abs/2312.13329
Autor:
Popescu, Cosmin Constantin, Aryana, Kiumars, Garud, Parth, Dao, Khoi Phuong, Vitale, Steven, Liberman, Vladimir, Bae, Hyung-Bin, Lee, Tae-Woo, Kang, Myungkoo, Richardson, Kathleen A., Ocampo, Carlos A. Rios, Zhang, Yifei, Gu, Tian, Hu, Juejun, Kim, Hyun Jung
Programmable and reconfigurable optics hold significant potential for transforming a broad spectrum of applications, spanning space explorations to biomedical imaging, gas sensing, and optical cloaking. The ability to adjust the optical properties of
Externí odkaz:
http://arxiv.org/abs/2312.10468
Autor:
Kim, Hyun Jung, Julian, Matthew, Williams, Calum, Bombara, David, Hu, Juejun, Gu, Tian, Aryana, Kiumars, Sauti, Godfrey, Humphreys, William
Recent growth in space systems has seen increasing capabilities packed into smaller and lighter Earth observation and deep space mission spacecraft. Phase-change materials (PCMs) are nonvolatile, reconfigurable, fast-switching, and have recently show
Externí odkaz:
http://arxiv.org/abs/2310.19131
Autor:
Lin, Hung-I, Geldmeier, Jeffrey, Baleine, Erwan, Yang, Fan, An, Sensong, Pan, Ying, Rivero-Baleine, Clara, Gu, Tian, Hu, Juejun
Long-wave infrared (LWIR, 8-12 $\mu m$ wavelengths) is a spectral band of vital importance to thermal imaging. Conventional LWIR optics made from single-crystalline Ge and chalcogenide glasses are bulky and fragile. The challenge is exacerbated for w
Externí odkaz:
http://arxiv.org/abs/2307.12974
Autor:
Popescu, Cosmin-Constantin, Dao, Khoi Phuong, Ranno, Luigi, Mills, Brian, Martin, Louis, Zhang, Yifei, Neltner, David Bono. Brian, Gu, Tian, Hu, Juejun, Aryana, Kiumars, Humphreys, William M., Kim, Hyun Jung, Vitale, Steven, Miller, Paul, Roberts, Christopher, Geiger, Sarah, Callahan, Dennis, Moebius, Michael, Kang, Myungkoo, Richardson, Kathleen, Ocampo, Carlos A. Ríos
Owing to their unique tunable optical properties, chalcogenide phase change materials are increasingly being investigated for optics and photonics applications. However, in situ characterization of their phase transition characteristics is a capabili
Externí odkaz:
http://arxiv.org/abs/2307.06216
Autor:
Aryana, Kiumars, Kim, Hyun Jung, Popescu, Cosmin-Constantin, Vitale, Steven, Bae, Hyung Bin, Lee, Taewoo, Gu, Tian, Hu, Juejun
Reconfigurable or programmable photonic devices are rapidly growing and have become an integral part of many optical systems. The ability to selectively modulate electromagnetic waves through electrical stimuli is crucial in the advancement of a vari
Externí odkaz:
http://arxiv.org/abs/2305.14145