Chirped photonic crystal
WebDOI: 10.3788/aos221523 Corpus ID: 257940989; 面向稀疏波分复用系统的超大带宽硅基光子滤波器 @article{LiaoShasha2024, title={面向稀疏波分复用系统的超大带宽硅基光子滤波器}, author={廖莎莎 Liao Shasha and 黄琮 Huang Cong and 冯玉婷 Feng Yuting and 张伍浩 Zhang Wuhao and 赵帅 Zhao Shuai and 刘振伟 Liu Zhenwei}, journal={Acta Optica … WebApr 12, 2024 · Previous conceptual demonstration of tailoring thermal radiation using photonic crystal or interference filter (14–17) increases the luminous efficacy of the incandescent lighting to 45 lm/W (efficiency of 6.6%), which is still far inferior to those of the state-of-the-art SSL (140 to 160 lm/W) . Besides, the lifetime issue of the tungsten ...
Chirped photonic crystal
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WebJun 24, 2024 · A photonic crystal fiber-based chirped pulse amplification delivering 272 fs pulses of 66.4 µJ energy at a repetition rate of 500 kHz is presented, resulting in an average/peak power of 33.2 W/244 MW. A single grating is adopted for the pulse width stretching and compression, which leads to high-compactness and low cost of the system. WebApr 10, 2024 · Schematics of the contra-directionally coupled chirped Bragg grating waveguide are shown in Fig. 1.Conventional structure, as shown in Fig. 1a, consists of two tapered strip waveguides with widths ranging from w 1 and w 2 to w 1 + Δw and w 2 + Δw, respectively.Bragg gratings with a period Λ, duty of 50%, and width w a are introduced …
WebChiral Photonics, Inc. is a photonics company based in Pine Brook, New Jersey, founded in 1999. The company is developing a new class of optical devices based on twisting … WebIn this paper, the properties of chirped photonic crystal fibers for guiding sub-100-fs pulses are discussed by numerical simulations and approximate analytical considerations. The nearly...
WebJun 22, 2024 · The features of the light localization and absorption in 1D harmonic chirped photonic crystals (PCs) were investigated. It was shown that although chirping leads …
WebApr 8, 2024 · It is challenging to realize the complete broadband absorption of near-infrared in thin optical devices. In this paper, we studied high light absorption in two devices: a stack of Au-pattern/insulator/Au-film and a stack of Au-pattern/weakly-absorbing-material/Au-film where the Au-pattern was structured in graded photonic super-crystal. We observed …
WebMay 1, 2007 · We report on the fabrication and evaluation of a directional coupler consisting of two different chirped photonic crystal (PC) waveguides that can generate wideband, low dispersion slow light.... list of foods that can cause constipationWebOct 6, 2024 · Photonic crystals (PCs) are the artificial dielectric formation of periodic refractive index arrangement of multi-dimensional structures. One of the unique … imaginext indominus rex toyWebSep 2, 2024 · Abstract: One-dimensional photonic crystals with slowly varying, i.e. "chirped", lattice period are responsible for broadband light reflectance in many diverse … list of foods that cause migraine headachesWebMar 11, 2013 · The chirped photonic crystals, in gapless configuration, were recorded in a bulk of glass, where the refraction index has been periodically modulated using tightly focused femtosecond laser... list of foods that cause acneWebSep 14, 2011 · Abstract. An on-chip spectrometer: Chirped 3D photonic crystals have been created using colloidal particle diffusion in a photocurable medium. The variations in the … list of foods that cause goutWebApr 1, 2013 · The hollow core photonic crystal waveguide biosensor is designed and described. The biosensor was tested in experiments for artificial sweetener identification in drinks. The photonic crystal... imaginext joker funhouseWebMay 23, 2016 · Figure 1 shows the schematic of two-dimensional photonic crystal structure (with hexagon symmetry) that provides asymmetric light propagation. Two cases have … imaginext joker helicopter