National Key Research and Development Program of China(2021YFA1401103,2022YFA1404302);National Natural Science Foundation of China(11834007,11974015,12174189,12304431);Natural Science Foundation of Zhejiang Province(LQ24A040015,LZ22A040008)。
Higher-order topological insulators,originally proposed in quantum condensed matters,have provided a new avenue for localizing and transmitting light in photonic devices.Nontrivial band topology in crystals with certa...
Natural Science Basic Research Program of Shaanxi Province(2024JC-JCQN-06);National Natural Science Foundation of China(12074308,12304370);Fundamental Research Funds for the Central Universities(sxzy012024146);Research Project of the Institute of Spectroscopy of the Russian Academy of Sciences(FFUU-2024-0003)。
Topological insulators are most frequently constructed using lattices with specific degeneracies in their linear spectra,such as Dirac points.For a broad class of lattices,such as honeycomb ones,these points and assoc...
National Research Foundation of Korea(2023R1A2C2002777);KIST Institutional Program(Atmospheric Environment Research Program)(2E32302);BK FOUR。
We experimentally demonstrate an all-pass microring resonator (MRR) based on a Y_(2)O_(3)BOX germanium-oninsulator (GeOI) platform operating in the mid-IR region.The ring resonator was numerically designed to have a h...
National Natural Science Foundation of China(62074036,61674038,11574302);Foreign Cooperation Project of Fujian Province(2023I0005);Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics(KF202108);National Key Research and Development Program of China(2016YFB0402303);Foundation of Fujian Provincial Department of Industry and Information Technology(82318075)。
Optical helicity provides us with an effective means to control the helicity-dependent photocurrent in the spinmomentum-locked surface states of topological insulators(TIs).Also,the TIs show potential in polarization ...
National Research Foundation of Korea(NRF-2022R1A2C1009773);Ministry of Education(BK Four Program);Ministry of Science and ICT,Republic of Korea(N11220016)。
Efficient extraction of light from a high refractive index silicon waveguide out of a chip is difficult to achieve.An inverse design approach was employed using the particle swarm optimization method to attain a verti...
Shanghai Municipal Science and Technology Major Project(2019SHZDZX01);Science and Technology Commission of Shanghai Municipality(20JC1416000,20QA1410400,22JC1402900);Excellent Postdoctoral Research Projects of Zhejiang Province(ZJ2021019);Natural Science Foundation of Zhejiang Province(LQ20F050005,LR22F050004);National Natural Science Foundation of China(62222514,61521005,61875217,61875218,61875223,61991442,62005249,91850208);State Key Program for Basic Research of China(2018YFA0306200).
Topological insulators represent a new quantum phase of matter with spin-polarized surface states that are protected from backscattering, exhibiting electronic responses to light, such as topological quantum phase tra...
Irish Research Council(New Foundations),Science Foundation Ireland(SFI 17/CDA/4733);National Natural Science Foundation of China(11774413,12074421);Strategic Priority Research Program of Chinese Academy of Sciences(XDB33000000)。
Recent advances in nanoscale lasers,amplifiers,and nonlinear optical converters have demonstrated the unprecedented potential of metal–insulator–semiconductor(MIS)structures as a versatile platform to realize integr...
Division of Electrical,Communications and Cyber Systems(2127499);Defense Advanced Research Projects Agency(D19AP00033).
Silicon carbide has recently emerged as a promising photonics material due to its unique properties, including possessing strong second-and third-order nonlinear coefficients and hosting various color centers that can...
Shenzhen Science and Technology Program(JCYJ20210324132416040);National Key R&D Program of China(2018YFB1305500).
Photonic topological insulators protected by the lattice spatial symmetry(e.g., inversion and rotation symmetry)mainly support single type edge state, interpreted by either valley or pseudo-spin. Here, we demonstrate ...
The second paragraph in Section 2 of this article was corrected as follows.In the polarization rotator (Step I), the LN rib waveguide adiabatically widens from a top width of 1.2 to 3.6μm via a linear taper, such tha...