Zobrazeno 1 - 10
of 239
pro vyhledávání: '"Dawn T H, Tan"'
Autor:
Ju Won Choi, Byoung-Uk Sohn, Hongwei Gao, George F. R. Chen, Jia Sheng Goh, Doris K. T. Ng, Dawn T. H. Tan
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract Photonic topological systems may be exploited in topological quantum light generation, the development of topological lasers, the implementation of photonic routing systems and optical parametric amplification. Here, we leverage the strong l
Externí odkaz:
https://doaj.org/article/64e5db9c62fc49738d553a89c5fce9e1
Autor:
Dawn T. H. Tan, Xavier X. Chia
Publikováno v:
Light: Science & Applications, Vol 13, Iss 1, Pp 1-3 (2024)
Abstract Ultra-low loss silicon nitride realized using deuterated precursors and low thermal budgets well within backend-of-line CMOS processing may accelerate widespread proliferation of their use.
Externí odkaz:
https://doaj.org/article/75b95fcf389c4de0b093199526b65cee
Autor:
Amdad Chowdury, Dawn T. H. Tan
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Modulation instability is a phenomenon in which a minor disturbance within a carrier wave gradually amplifies over time, leading to the formation of a series of compressed waves with higher amplitudes. In terms of frequency analysis, this pr
Externí odkaz:
https://doaj.org/article/440e81ac7ded4f44bc7bd8e6b9c56c84
Autor:
Byoung-Uk Sohn, Yue-Xin Huang, Ju Won Choi, George F. R. Chen, Doris K. T. Ng, Shengyuan A. Yang, Dawn T. H. Tan
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Here the authors report the development of a topological nonlinear parametric amplification in a dimerized, Su-Schrieffer-Heeger waveguide. Kerr-induced chiral symmetry breaking is demonstrated, showcasing how nonlinearities may control transitions o
Externí odkaz:
https://doaj.org/article/c17a9bc74b134712a5cb8c1f0d7b3a77
Autor:
Xavier X. Chia, George F. R. Chen, Yanmei Cao, Peng Xing, Hongwei Gao, Doris K. T. Ng, Dawn T. H. Tan
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Chemical vapor deposition-based growth techniques allow flexible design of complementary metal-oxide semiconductor (CMOS) compatible materials. Here, we report the deuterated silicon-rich nitride films grown using plasma-enhanced chemical va
Externí odkaz:
https://doaj.org/article/9531e0035be24a07a670a6e75dde0bbd
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 6, Pp n/a-n/a (2023)
Transmission of optical data over fiber is subjected to signal degradation from dispersion impairments that worsen with increasing fiber lengths and higher data rates. Consequently, dispersion impairments significantly limit the data rates and reache
Externí odkaz:
https://doaj.org/article/7eee9ee079754b3ca85f7e155c55cc1b
Autor:
Yanmei Cao, Byoung-Uk Sohn, Hongwei Gao, Peng Xing, George F. R. Chen, Doris K. T. Ng, Dawn T. H. Tan
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract Supercontinuum generation is demonstrated in a 3-mm-long ultra-silicon-rich nitride (USRN) waveguide by launching 500 fs pulses centered at 1555 nm with a pulse energy of 17 pJ. The generated supercontinuum is experimentally characterized to
Externí odkaz:
https://doaj.org/article/ea10b0e055884bbf9ab2b15ffb0766ee
Autor:
Doris K. T. Ng, Hongwei Gao, Peng Xing, George F. R. Chen, Xavier X. Chia, Yanmei Cao, Kenny Y. K. Ong, Dawn T. H. Tan
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract Ultra-silicon-rich nitride with refractive indices ~ 3 possesses high nonlinear refractive index—100× higher than stoichiometric silicon nitride and presents absence of two-photon absorption, making it attractive to be used in nonlinear i
Externí odkaz:
https://doaj.org/article/ed75606e91c442578cf4ffb65a59b9dd
Autor:
Ju Won Choi, Ezgi Sahin, Byoung-Uk Sohn, George F. R. Chen, Doris K. T. Ng, Anuradha M. Agarwal, Lionel C. Kimerling, Dawn T. H. Tan
Publikováno v:
Light: Science & Applications, Vol 10, Iss 1, Pp 1-15 (2021)
Abstract Optical pulses are fundamentally defined by their temporal and spectral properties. The ability to control pulse properties allows practitioners to efficiently leverage them for advanced metrology, high speed optical communications and attos
Externí odkaz:
https://doaj.org/article/2e93495bbf254dd79fbe3ec06558dbfd
Autor:
Dawn T. H. Tan
Publikováno v:
Advanced Photonics Research, Vol 2, Iss 9, Pp n/a-n/a (2021)
The field of topological photonics has seen tremendous and wide‐ranging developments in recent years. Evolving from the broader field of topological insulators, topological photonics systems today harness a variety topological phases. These include
Externí odkaz:
https://doaj.org/article/6daca1feac444139b7fb69b5816141b8