Temporal and spectral signatures of the interaction between ultrashort laser pulses and Bloch surface waves

IF 5.4 1区 物理与天体物理 Q1 OPTICS
APL Photonics Pub Date : 2024-04-05 DOI:10.1063/5.0183704
Isaac Doughan, Atsu L. Asilevi, Atri Halder, Tian-Long Guo, Erika Mogni, Michele Celebrano, Marco Finazzi, Giovanni Pellegrini, Paolo Biagioni, Emiliano Descrovi, Matthieu Roussey, Jari Turunen
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引用次数: 0

Abstract

The resonant excitation of Bloch Surface Waves (BSWs) in dielectric one-dimensional photonic crystals is becoming a realistic photonic solution for surface integration in many domains, from spectroscopy to local field management. Bringing BSWs to ultrafast and nonlinear regimes requires a deep knowledge of the effects that the photonic crystal dispersion and the resonant surface wave excitation have on the ultrashort laser pulses. We report on the experimental evidence of spectral and temporal modifications of the radiation leaving a planar one-dimensional photonic crystal after coupling to BSWs. In such a resonant condition, a characteristic long temporal tail is observed in the outgoing pulses. Observations are performed by employing both frequency-resolved optical gating and field cross-correlation techniques.
超短激光脉冲与布洛赫表面波相互作用的时间和光谱特征
布洛赫表面波(BSW)在介质一维光子晶体中的共振激发正成为表面集成在从光谱学到局部场管理等多个领域的现实光子解决方案。将 BSW 引入超快和非线性系统需要深入了解光子晶体色散和共振表面波激发对超短激光脉冲的影响。我们报告了平面一维光子晶体与 BSW 耦合后,离开晶体的辐射在光谱和时间上发生变化的实验证据。在这种共振条件下,我们观察到输出脉冲中出现了特征性的长时间尾。观测采用了频率分辨光学门控和场交叉相关技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
APL Photonics
APL Photonics Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍: APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.
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