Plasmonic nanoantenna arrays for the visible

Liu, Zhengtong; Boltasseva, Alexandra; Pedersen, Rasmus H.; Bakker, Reuben M.; Kildishev, Alexander V.; Drachev, Vladimir P.; Shalaev, Vladimir M.

doi:10.1016/j.metmat.2008.03.001

Cited by 135 publications

(92 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The simulations are performed by solving the three-dimensional Maxwell equations with a finite-difference time-domain method (FDTD) [40,41], in which the refractive index of ZnS-SiO 2 and cover glass substrate were taken from [42]. The refractive index of gold is described by a Drude model with a damping constant of 0.14 eV and a plasma frequency 8.997 eV [43,44]. To study an SRR array, we imposed periodic conditions at the boundaries of a unit cell.…”

Section: Measurement and Simulationmentioning

confidence: 99%

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

Tseng

Sun

et al. 2012

Laser & Photonics Reviews

View full text Add to dashboard Cite

A novel method based on femtosecond laser‐induced forward transfer for high‐throughput and efficient fabrication of periodic multilayer plasmonic metamaterials is demonstrated. With precisely controlling laser raster path applied on sputtered multilayer thin films, the laser‐ablated materials can be transferred to another substrate leaving the fabricated multilayer structure on the original substrate. Subsequently, three‐dimensional metamaterials can be made by multilayer structuring. Moreover, all the experimental results show that to create such multilayer split resonant rings (SRRs) with uniform profile, the laser fluence should be fine controlled under proper conditions. The optical property of fabricated multilayer SRR array is investigated by optical measurements and finite‐difference time‐domain simulations, showing various resonant modes in the middle‐IR region. The calculated induced current distributions exhibit rich resonance properties of the structures as well. This work markedly extends the laser direct writing technique to a wide application in fabricating complicated metamaterials and plasmonic devices efficiently.

show abstract

Section: Measurement and Simulationmentioning

confidence: 99%

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

Tseng

Sun

et al. 2012

Laser & Photonics Reviews

View full text Add to dashboard Cite

show abstract

“…They benefit furthermore from the lightning rod effect, the geometrical electric field enhancement at highly curved surfaces [30]. Antenna dimers with nanometer size gaps have been employed to further increase the electric field enhancement and focus incident light into small hot spots [12,16,31,32]. The use of HDSC allows us to deviate from these design schemes, owing to the material properties, as the elongated shape or the interaction through a gap to decrease the resonance frequency is not necessarily needed to reach resonance frequencies in the mid-IR.…”

Section: Introductionmentioning

confidence: 99%

Highly doped semiconductor plasmonic nanoantenna arrays for polarization selective broadband surface-enhanced infrared absorption spectroscopy of vanillin

et al. 2017

View full text Add to dashboard Cite

Tailored plasmonic nanoantennas are needed for diverse applications, among those sensing. Surfaceenhanced infrared absorption (SEIRA) spectroscopy using adapted nanoantenna substrates is an efficient technique for the selective detection of molecules by their vibrational spectra, even in small quantity. Highly doped semiconductors have been proposed as innovative materials for plasmonics, especially for more flexibility concerning the targeted spectral range. Here, we report on rectangularshaped, highly Si-doped InAsSb nanoantennas sustaining polarization switchable longitudinal and transverse plasmonic resonances in the mid-infrared. For small array periodicities, the highest reflectance intensity is obtained. Large periodicities can be used to combine localized surface plasmon resonances (SPR) with array resonances, as shown in electromagnetic calculations. The nanoantenna arrays can be efficiently used for broadband SEIRA spectroscopy, exploiting the spectral overlap between the large longitudinal or transverse plasmonic resonances and narrow infrared active absorption features of an analyte molecule. We demonstrate an increase of the vibrational line intensity up to a factor of 5.7 of infrared-active absorption features of vanillin in the fingerprint spectral region, yielding enhancement factors of three to four orders of magnitude. Moreover, an optimized readout for SPR sensing is proposed based on slightly overlapping longitudinal and transverse localized SPR.

show abstract

“…If such a tunable near-field superlens could be achieved, it would open up many promising applications based on the spatial translation (or transfer) of highly localized, enhanced electromagnetic fields [16][17][18][19][20][21][22][23] to the other side of a superlens [24]. In this scheme, the localized and enhanced electromagnetic fields (or hot spots) could be created by optical nanoantennas [25][26][27][28], and the hot-spot transfer with a superlens could be useful in applications such as surface-enhanced Raman spectroscopy (SERS) [29] or enhanced fluorescence microscopy [30]. Optical hot spots are important for a range of important bio-, chemical-and medical-sensing applications, including surface-enhanced Raman scattering [11] and enhanced fluorescence [28].…”

Section: Introductionmentioning

confidence: 99%

“…In this scheme, the localized and enhanced electromagnetic fields (or hot spots) could be created by optical nanoantennas [25][26][27][28], and the hot-spot transfer with a superlens could be useful in applications such as surface-enhanced Raman spectroscopy (SERS) [29] or enhanced fluorescence microscopy [30]. Optical hot spots are important for a range of important bio-, chemical-and medical-sensing applications, including surface-enhanced Raman scattering [11] and enhanced fluorescence [28]. It has also been shown theoretically that an optical hot spot can be translated through a nearfield superlens [13].…”

Section: Introductionmentioning

confidence: 99%

Studies of plasmonic hot-spot translation by a metal-dielectric layered superlens

et al. 2011

Self Cite

View full text Add to dashboard Cite

Plasmonic nanoantenna arrays for the visible

Cited by 135 publications

References 37 publications

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

Highly doped semiconductor plasmonic nanoantenna arrays for polarization selective broadband surface-enhanced infrared absorption spectroscopy of vanillin

Studies of plasmonic hot-spot translation by a metal-dielectric layered superlens

Contact Info

Product

Resources

About