Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Wesley D. Sacher"'
Autor:
Tianyuan Xue, Andrei Stalmashonak, Fu-Der Chen, Peisheng Ding, Xianshu Luo, Hongyao Chua, Guo-Qiang Lo, Wesley D. Sacher, Joyce K. S. Poon
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract We have designed, fabricated, and characterized implantable silicon neural probes with nanophotonic grating emitters that focus the emitted light at a specified distance above the surface of the probe for spatially precise optogenetic target
Externí odkaz:
https://doaj.org/article/836d6deb2fcb488ba0c8121b6236256d
Autor:
Jianfeng Li, Payam Hashemi, Tianyi Liu, Ka My Dang, Michael G. K. Brunk, Xin Mu, Ali Shaygan Nia, Wesley D. Sacher, Xinliang Feng, Joyce K. S. Poon
Publikováno v:
Communications Materials, Vol 5, Iss 1, Pp 1-12 (2024)
Abstract The exploration of neural circuitry is paramount for comprehending the computational mechanisms and physiology of the brain. Despite significant advances in materials and fabrication techniques, controlling neuronal connectivity and response
Externí odkaz:
https://doaj.org/article/b4097a87e8d74be8889ce5b01945d7b4
Autor:
Saeed Sharif Azadeh, Jason C. C. Mak, Hong Chen, Xianshu Luo, Fu-Der Chen, Hongyao Chua, Frank Weiss, Christopher Alexiev, Andrei Stalmashonak, Youngho Jung, John N. Straguzzi, Guo-Qiang Lo, Wesley D. Sacher, Joyce K. S. Poon
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract Laser beam scanning is central to many applications, including displays, microscopy, three-dimensional mapping, and quantum information. Reducing the scanners to microchip form factors has spurred the development of very-large-scale photonic
Externí odkaz:
https://doaj.org/article/0dfb6ec9e0b2468eb86779e5377af2b9
Autor:
Yiding Lin, Zheng Yong, Xianshu Luo, Saeed Sharif Azadeh, Jared C. Mikkelsen, Ankita Sharma, Hong Chen, Jason C. C. Mak, Patrick Guo-Qiang Lo, Wesley D. Sacher, Joyce K. S. Poon
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)
Efficient and broadband visible-light photodetectors will bring great advantages in applications such as biosensing and quantum information. Here the authors develop a photodetector with high quantum efficiency across broad wavelength range suitable
Externí odkaz:
https://doaj.org/article/61987d55d31441b68259a4f5481b8c7e
Autor:
Xin Mu, Fu-Der Chen, Ka My Dang, Michael G. K. Brunk, Jianfeng Li, Hannes Wahn, Andrei Stalmashonak, Peisheng Ding, Xianshu Luo, Hongyao Chua, Guo-Qiang Lo, Joyce K. S. Poon, Wesley D. Sacher
Publikováno v:
Frontiers in Neuroscience, Vol 17 (2023)
Advances in chip-scale photonic-electronic integration are enabling a new generation of foundry-manufacturable implantable silicon neural probes incorporating nanophotonic waveguides and microelectrodes for optogenetic stimulation and electrophysiolo
Externí odkaz:
https://doaj.org/article/02eb7e7357b44d66b02e29a7b403bdf7
Publikováno v:
IEEE Photonics Journal, Vol 5, Iss 1, Pp 2200211-2200211 (2013)
We derive an analytical model for the depletion capacitance of silicon-on-insulator (SOI) optical modulation diodes. This model accurately describes the parasitic fringe capacitances due to a lateral pn junction and can be extended to other geometrie
Externí odkaz:
https://doaj.org/article/7f110dd3dd124701b4def63f90a9bbf0
Autor:
Jianfeng Li, Armin Reimers, Ka My Dang, Michael G.K. Brunk, Jonas Drewes, Ulrike M. Hirsch, Christian Willems, Christian E.H. Schmelzer, Thomas Groth, Ali Shaygan Nia, Xinliang Feng, Rainer Adelung, Wesley D. Sacher, Fabian Schütt, Joyce K.S. Poon
Publikováno v:
Biosensors and Bioelectronics
Engineered neural tissues serve as models for studying neurological conditions and drug screening. Besides observing the cellular physiological properties, in situ monitoring of neurochemical concentrations with cellular spatial resolution in such ne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7129c80905422d53df9cfb4c53ae968
https://hdl.handle.net/21.11116/0000-000C-96F5-621.11116/0000-000C-96B0-321.11116/0000-000C-96AD-821.11116/0000-000C-96AF-6
https://hdl.handle.net/21.11116/0000-000C-96F5-621.11116/0000-000C-96B0-321.11116/0000-000C-96AD-821.11116/0000-000C-96AF-6
Autor:
Wesley D. Sacher, Yiding Lin, Hong Chen, Saeed S. Azadeh, Zheng Yong, Xianshu Luo, Hongyao Chua, Jason C. C. Mak, Alperen Govdeli, Ankita Sharma, Jared C. Mikkelsen, Xin Mu, Andrei Stalmashonak, Guo-Qiang Lo, Joyce K. S. Poon
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition, OFC 2023-Proceedings
We present a foundry-fabricated monolithically integrated photonics platform for the visible spectrum (λ=445–640nm) with two layers of silicon nitride waveguides, silicon photodiodes, efficient undercut thermo-optic phase shifters, in situ trimmin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79289a957fae53c3920c59cb335a1710
https://doi.org/10.1364/ofc.2023.tu3c.5
https://doi.org/10.1364/ofc.2023.tu3c.5
Autor:
Zheng Yong, Hong Chen, Xianshu Luo, Alperen Govdeli, Hongyao Chua, Saeed S. Azadeh, Andrei Stalmashonak, Guo-Qiang Lo, Joyce K. S. Poon, Wesley D. Sacher
Publikováno v:
Optics Express
We demonstrate power-efficient, thermo-optic, silicon nitride waveguide phase shifters for blue, green, and yellow wavelengths. The phase shifters operated with low power consumption due to a suspended structure and multi-pass waveguide design. The d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23086ccbccf034458e9efaa124ee67a3
https://pubmed.ncbi.nlm.nih.gov/35299489
https://pubmed.ncbi.nlm.nih.gov/35299489
Autor:
Saeed Sharif Azadeh, Jason C. C. Mak, Hong Chen, Xianshu Luo, Fu-Der Chen, Hongyao Chua, Frank Weiss, Christopher Alexiev, Andrei Stalmashonak, Youngho Jung, John N. Straguzzi, Guo-Qiang Lo, Wesley D. Sacher, Joyce K. S. Poon
Publikováno v:
Nature Communications
Laser beam scanning is central to many applications, including displays, microscopy, three-dimensional mapping, and quantum information. Reducing the scanners to microchip form factors has spurred the development of very-large-scale photonic integrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb940d94299f0504f7af8487e7a87a97