Enhanced Raman scattering based on fabry‐perot like resonance in a metal‐cladding waveguide

Yin, Cheng; Lu, Yan; Tian, Xu; Wei, Dan Z.; Jin, Yong Long; Jing, Fang; Wang, Chao N.; Huang, Mei Z.

doi:10.1002/jrs.4850

Cited by 7 publications

(5 citation statements)

References 22 publications

(31 reference statements)

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“…Yin et al reported enhanced Raman scattering based on Fabry‐Perot‐like resonance in a metal‐cladding waveguide. They found that by adding metal nanoparticles, the Fabry‐Perot‐like resonance can be combined with local surface plasmons resonance to further enhance the light‐matter interaction with the target molecules, which was also confirmed by the experimental results …”

Section: Nanomaterialsmentioning

confidence: 57%

Recent advances in linear and non‐linear Raman spectroscopy. Part XI

Nafie

2017

J Raman Spectroscopy

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This review, published annually, provides an overview of advances in the field of Raman spectroscopy as found in papers published in the preceding calendar year in the Journal of Raman Spectroscopy (JRS), as well as in trends over the past decade across journals that have published papers important to the field of Raman spectroscopy. This information is obtained from statistical data on article counts obtained from Clarivate Analytics' Web of Science Core Collection by year and by subfield of Raman spectroscopy. Additional information is gleaned from presentations at the IX International Conference on Advanced Vibrational Spectroscopy (ICAVS‐9) in Victoria, British Columbia, Canada, in June 2017 and those featuring Raman scattering at SCIX 2017 organized by the Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) in Reno, Nevada, USA, in October 2017. Coverage is also provided for topics from the European Conference on Non‐linear Optical Spectroscopy (ECONOS 2017) held in April 2017 in Jena, Germany, and the Ninth Congress on the Application of Raman in Art and Archaeology (RAA 2017) in October 2017 in Evora, Portugal. Finally, papers published in JRS in 2016 are highlighted and arranged by topics at the frontier of Raman spectroscopy. Based on this survey information, it is clear that Raman spectroscopy maintains a rapidly expanding influence across a wide range of novel disciplines and applications that provide sensitive photonic information of matter at the molecular level.

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Section: Nanomaterialsmentioning

confidence: 57%

Recent advances in linear and non‐linear Raman spectroscopy. Part XI

Nafie

2017

J Raman Spectroscopy

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“…The number of guided modes increases with the waveguide thickness, and a millimeter-thickness waveguide will produce thousands of guided modes, supporting thousands of periodically distributed electric field enhancement regions, which can be applicable for sensing detection 92 and Raman enhancement. 91,[93][94][95] Uniqueness in the DMCW structures makes them different from the MCWs. First, for the relatively thick DMCW chips, the excitation of ultra-high-order modes is independent of light polarization because hundreds to thousands of resonant modes are distributed within a limited angle scanning range, making the corresponding resonant angles of TE and TM modes almost overlapping (Figure 8A,B).…”

Section: Double Metal Cladding Waveguidementioning

confidence: 99%

“…The thickness of the waveguide layer can be adjusted from a micron scale to a millimeter scale. The number of guided modes increases with the waveguide thickness, and a millimeter‐thickness waveguide will produce thousands of guided modes, supporting thousands of periodically distributed electric field enhancement regions, which can be applicable for sensing detection 92 and Raman enhancement 91,93–95 …”

Section: Wers Structure Based On Limited‐range Enhancementmentioning

confidence: 99%

Waveguide‐based Raman enhancement strategies

Zhao,

Cao,

et al. 2023

J Raman Spectroscopy

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Waveguide‐enhanced Raman scattering (WERS) is a powerful branch of enhanced Raman technologies that has gained significant progress in recent years because of its advantages, such as reproducibility and robustness. As a complementary tool to surface‐enhanced Raman spectroscopy (SERS), WERS provides a powerful solution for reproducible quantification of analytes. According to different Raman enhancement mechanisms, five major WERS implementation strategies, namely, (1) single‐mode dielectric waveguide, (2) liquid core waveguide, (3) metal cladding waveguide, (4) resonance mirror waveguide, and (5) double metal cladding waveguide, are classified and described in detail in this review. The flexibility of WERS structures makes them easy to be integrated with 2D devices to obtain a complete on‐chip detection scheme, allowing the WERS chip to combine excitation, detection, and data analysis in integrated chips, providing a powerful prospect for real‐time and on‐site analysis of target samples. This article highlights the principles, implementations, and application scenarios of WERS techniques and evaluates their advantages and limitations, respectively. Finally, the strengths and weaknesses of WERS techniques are summarized, and promising future applications are proposed. This review provides a panoramic view for researchers interested in waveguide‐enhanced Raman technology.

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“…It is demonstrated that the ultrahigh-order modes [15] excited in a symmetrical metal-cladding waveguide (SMCW) are highly sensitive to the variation of structural parameters [16] and the generated oscillating wave in the guiding layer can enhance the light-matter interaction, e.g., the Raman scattering [17] , the RGB lasing [18] , and the optical bistability [19] . By adding a thinner planar waveguide on the SMCW, the so-called double metal-dielectric-metal waveguides (DMDMW) structure is formed and the realized asymmetric Fano reflectivity curve is capable of getting giant GH shifts with a strong reflected beam intensity [20] .…”

Section: Introductionmentioning

confidence: 99%

Bistable Reflection Assisted by Fano Resonance in DMDMW With Low-Threshold and Large Modulation Depth

Wang

et al. 2023

IEEE Photonics J.

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Owing to an additional thinner planar waveguide with micron scale is attracted to the symmetrical metal cladding waveguide (SMCW) with sub-millimeter scale, the interference interaction between different Q-value guided modes would generate a Fano reflectivity curve. In our double metal-dielectricmetal waveguides (DMDMW) structure, a Kerr nonlinear medium is located in the guiding layer of the SMCW where the excited oscillating wave is enormously enhanced. Numerical calculations show that a minute variation of the incident light intensity will give rise to a change in the dielectric constant of the Kerr nonlinear medium and lead to positive feedback. A bistable reflection can be achieved with a low threshold and a large modulation depth because of the sharpness and the asymmetricity of the Fano reflectivity curve.

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Enhanced Raman scattering based on fabry‐perot like resonance in a metal‐cladding waveguide

Cited by 7 publications

References 22 publications

Recent advances in linear and non‐linear Raman spectroscopy. Part XI

Recent advances in linear and non‐linear Raman spectroscopy. Part XI

Waveguide‐based Raman enhancement strategies

Bistable Reflection Assisted by Fano Resonance in DMDMW With Low-Threshold and Large Modulation Depth

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