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Broad Perfect Transparent Band in Asymmetric Photonic Crystals with Graded-Index Films [PDF]

Micromachines
Photonic crystals possessing mirror symmetry have been widely investigated to obtain perfect transmission properties. However, complex asymmetric nanostructures can achieve perfect transmission via phase-matching, while one-dimensional photonic crystals ...
Chenming Zhang, Qi Wei, Xinya Zhang, Wufeng Sun, Xiangyu Li, Ang Liu, Guiqiang Du   +6 more
doaj   +2 more sources

Multi-functional photonic crystals of modular nanosheets [PDF]

Nature Communications
Photonic crystals with periodically ordered nanoscale building blocks can exhibit structural colors, offering a promising optical platform. Among various building blocks, colloidal nanosheets have attracted increasing attention owing to their intrinsic ...
Seiya Yui, Takumi Mihara, Tomoki Nishimura, Yasuo Ebina, Takayoshi Sasaki, Koki Sano   +5 more
doaj   +2 more sources

Research progress of photonic crystals in photocatalysis

Cailiao gongcheng, 2021
Photonic crystals are dielectric structure materials with photonic band gaps which are composed of matters with different dielectric constants and arranged in space periodically.
CHU Zhao-ran, CHEN Gong, ZHAO Xue-ling, LIN Dong-hai, CHEN Cheng   +4 more
doaj   +1 more source

Mechanical Control of the Optical Bandgap in One-Dimensional Photonic Crystals

Micromachines, 2022
Over the last several years, two-photon polymerization has been a popular fabrication approach for photonic crystals due to its high spatial resolution.
V. Paige Stinson, Nuren Shuchi, Micheal McLamb, Glenn D. Boreman, Tino Hofmann   +4 more
doaj   +1 more source

Light Confinement in Twisted Single-Layer 2D+ Moiré Photonic Crystals and Bilayer Moiré Photonic Crystals

Photonics, 2023
Twisted photonic crystals are photonic analogs of twisted monolayer materials such as graphene and their optical property studies are still in their infancy.
Steve Kamau, Noah Hurley, Anupama B. Kaul, Jingbiao Cui, Yuankun Lin   +4 more
doaj   +1 more source

Upconversion fluorescent tuning based on CdS and SiO2 photonic crystals for computer chip label

Results in Optics, 2022
Manipulating fluorescence color to achieve patterned function may access to many applications and remains some challenges. In this work, we provide an effective way to manipulate upconversion fluorescence through the photonic crystals.
Zihao Chen, Yufei Wang, Nanshu Li, Shuangye Yang, Jie Wei   +4 more
doaj   +1 more source

Realization of a novel multimode waveguide with photonic band gap hopping based on coupled-resonator optical waveguide theory

Results in Physics, 2023
Traditionally, in the application of photonic crystals, defect modes are mostly introduced in the photonic band gap to realize high-performance waveguides, and electromagnetic waves beyond the photonic band gap cannot be controlled in photonic crystals ...
Yonghui Zheng, Chang Wang, Zhiyong Tan, Zhenzhen Zhang, Jun Jiang, Binbin Cheng, Juncheng Cao   +6 more
doaj   +1 more source

Research Progress in Preparation and Application of Photonic Crystals

Chinese Journal of Mechanical Engineering, 2023
Photonic crystals are periodic structural materials that have an impact on the propagation properties of photons. Due to their excellent optical, electrical and magnetic properties, their advantages and potential for applications in the above areas are ...
Xiaoren Lv, Bing Zhong, Yanfei Huang, Zhiguo Xing, Haidou Wang, Weiling Guo, Xueting Chang, Zhinan Zhang   +7 more
doaj   +1 more source

Synthesis and properties of SiO2 photonic crystals modified by DNA

Біофізичний вісник, 2020
Background: Photonic crystals are structures characterized by periodic modulations of the refractive index with a period commensurate with the wavelength.
M. Olenchuk, T. Hanulia, A. Negriyko, O. Perederii, G. Dovbeshko   +4 more
doaj   +1 more source

Holographic Fabrication of 3D Moiré Photonic Crystals Using Circularly Polarized Laser Beams and a Spatial Light Modulator

Micromachines, 2023
A moiré photonic crystal is an optical analog of twisted graphene. A 3D moiré photonic crystal is a new nano-/microstructure that is distinguished from bilayer twisted photonic crystals.
Noah Hurley, Steve Kamau, Jingbiao Cui, Yuankun Lin   +3 more
doaj   +1 more source