Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Sai Tak CHU"'
Thermo-Optic Response and Optical Bistablility of Integrated High-Index Doped Silica Ring Resonators
Autor:
Junkai Hu, Jiayang Wu, Di Jin, Sai Tak Chu, Brent E. Little, Duan Huang, Roberto Morandotti, David J. Moss
Publikováno v:
Sensors, Vol 23, Iss 24, p 9767 (2023)
The engineering of thermo-optic effects has found broad applications in integrated photonic devices, facilitating efficient light manipulation to achieve various functionalities. Here, we perform both an experimental characterization and a theoretica
Externí odkaz:
https://doaj.org/article/f47856c53a2748d7ba656c8a26e567fb
Autor:
Tianying Sun, Bing Chen, Yang Guo, Qi Zhu, Jianxiong Zhao, Yuhua Li, Xian Chen, Yunkai Wu, Yaobin Gao, Limin Jin, Sai Tak Chu, Feng Wang
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)
Constructing ultraviolet lasing is of great significance for basic research and medical use. Here the authors present a strategy for generating ultraviolet lasing through a tandem upconversion process with ultralarge anti-Stokes shift (1260 nm).
Externí odkaz:
https://doaj.org/article/10b486197f99497b909ef137fd055e94
Autor:
Xinyu Wang, Peng Xie, Yang Wang, Weiqiang Wang, Leiran Wang, Brent E. Little, Sai Tak Chu, Wei Zhao, Wenfu Zhang
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
Self-oscillation and bifurcation as many-body dynamics solutions in a high-Q microresonator have induced substantial interest in nonlinear optics and ultrafast science. Strong mode coupling between clockwise (CW) wave and counterclockwise (CCW) wave
Externí odkaz:
https://doaj.org/article/dd00c6048e564d078f01b25933b2ab61
Autor:
Tianying Sun, Yuhua Li, Wai Lok Ho, Qi Zhu, Xian Chen, Limin Jin, Haomiao Zhu, Bolong Huang, Jun Lin, Brent E. Little, Sai Tak Chu, Feng Wang
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-7 (2019)
Here, the authors control concentration quenching in a stoichiometric Er3+ compound using a core−shell nanostructured host and an integrated optical waveguide circuit excitation platform. The efficient telecom to ultraviolet upconversion allows for
Externí odkaz:
https://doaj.org/article/0802e12b173242e1a090e20d7daade85
Autor:
Li Jin, Luigi Di Lauro, Alessia Pasquazi, Marco Peccianti, David J. Moss, Roberto Morandotti, Brent E. Little, Sai Tak Chu
Publikováno v:
APL Photonics, Vol 5, Iss 5, Pp 056106-056106-8 (2020)
We theoretically analyze and experimentally demonstrate optical bi-stability and multi-stability in an integrated nonlinear high-order microring resonator filter based on high-index contrast doped silica glass. We use a nonlinear model accounting for
Externí odkaz:
https://doaj.org/article/b0acd08846c94c829dfa01a5f6b69908
Autor:
Yang Sun, Jiayang Wu, Yang Li, Mengxi Tan, Xingyuan Xu, Sai Tak Chu, Brent E. Little, Roberto Morandotti, Arnan Mitchell, David J. Moss
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 29:1-17
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87cd12240d3e3ec8a7910a5cf3a16079
https://doi.org/10.1109/jstqe.2023.3266276
https://doi.org/10.1109/jstqe.2023.3266276
Telecom-compatible, on-chip generation and processing of complex photon states in time and frequency
Autor:
Mario Chemnitz, Hao Yu, Stefania Sciara, Bennet Fischer, Piotr Roztocki, Benjamin Crockett, Christian Reimer, Lucia Caspani, Michael Kues, William J. Munro, Sai Tak Chu, Brent E. Little, David J. Moss, Zhiming Wang, José Azaña, Roberto Morandotti
Publikováno v:
Integrated Optics: Devices, Materials, and Technologies XXVI.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd4469563ad1ceae85b19b759a676414
https://doi.org/10.1117/12.2607224
https://doi.org/10.1117/12.2607224
Autor:
Yuhua Li, Shao Hao Wang, Wai Lok Ho, Xiaotian Zhu, Xiang Wang, Roy R. Davidson, Brent E. Little, Rui-Pin Chen, Sai Tak Chu
Publikováno v:
Optics Letters. 47:3884
We report the first, to the best of our knowledge, observation of second-harmonic generation (SHG) in a high-index doped silica micro-ring resonator, due to the symmetry-breaking-induced χ(2) at the core and cladding interface of the waveguide. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ca7e0ca535e1e2172b2226b6f5978ce
https://doi.org/10.1364/ol.463317
https://doi.org/10.1364/ol.463317
Publikováno v:
26th Optoelectronics and Communications Conference.
We experimentally characterize the polarization rotation of the quasi-TE and quasi-TM modes on a set of 1.0 and 0.5 meters long highly doped silicon glass spiral waveguides with different waveguide widths and thickness.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72c6e4ad48eb532884f635abc1b2327e
https://doi.org/10.1364/oecc.2021.w2c.5
https://doi.org/10.1364/oecc.2021.w2c.5
Autor:
Tianying Sun, Bing Chen, Yang Guo, Qi Zhu, Jianxiong Zhao, Yuhua Li, Xian Chen, Yunkai Wu, Yaobin Gao, Limin Jin, Sai Tak Chu, Feng Wang
Publikováno v:
Nature communications. 13(1)
Coherent ultraviolet light is important for applications in environmental and life sciences. However, direct ultraviolet lasing is constrained by the fabrication challenge and operation cost. Herein, we present a strategy for the indirect generation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3945b45b9eeb7fd457e8362a9d2c54c
https://pubmed.ncbi.nlm.nih.gov/35210410
https://pubmed.ncbi.nlm.nih.gov/35210410