Plasmonic nano‐slits assisted polarization selective detour phase meta‐hologram

Min, Changjun; Liu, Jinpeng; Lei, Ting; Si, Guangyuan; Xie, Zhenwei; Lin, Jiao; Du, Luping; Yuan, Xiaocong

doi:10.1002/lpor.201600101

Cited by 68 publications

(53 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recently, 2D metasurface has emerged as a promising alternative to traditional bulky components in polarization manipulation, super‐resolution focusing, vortex beam generation, and hologram . The readers may refer to the latest reviews for a comprehensive view.…”

Section: Beam Steering Performances (Scanning Range Device Thicknessmentioning

confidence: 99%

High‐Efficiency and Wide‐Angle Beam Steering Based on Catenary Optical Fields in Ultrathin Metalens

Guo

et al. 2018

Advanced Optical Materials

159

View full text Add to dashboard Cite

3D fabrication technology. [4] Superposition of the images captured by each individual ommatidia can create an imaging system with FOV close or even larger than 180°. [2] Theoretically, it is also possible to create single spherically symmetrical lens with a 360° FOV, i.e., the so called Luneberg lens, in which light incident from infinity at different positions will perfectly focus on the same geometric point on the perimeter without aberration. [3] Nevertheless, the requirement of nonhomogeneous refractive index distribution of Luneberg lens and the precise shape, fill factor, size of ommatidium pose great challenges to implementation. Although one can replace the spherical and nonhomogeneous index lenses by 2D geodesic surfaces with constant refractive index, [5] it is still not easy to be implemented in planar optical systems.Recently, 2D metasurface has emerged as a promising alternative to traditional bulky components in polarization manipulation, [6,7] super-resolution focusing, [8,9] vortex beam generation, [10][11][12] and hologram. [13][14][15][16][17][18][19] The readers may refer to the latest reviews [20][21][22][23] for a comprehensive view. The unique properities of metasurface are embodied in following two aspects. On the one hand, the abrupt phase change along the metasurface leads to the classical refractive and reflection law is expanded to a generalized case. [23] On the other hand, metasurface provides an alternative to overcome many tough problems faced by traditional optical engineers, [20] leading to the so-called Optical Engineering 2.0. [24] Owing to the design flexibility in phase modulation, single metalens could eliminate the spherical aberration even at very large numerical aperture (NA). Also, the color aberrations of metalens also have been corrected by single metasurfaces recently. [25][26][27][28][29] In principle, single-layered metasurface lenses inevitably suffer from the off-axis aberration, despite wide-angle absorption, [30,31] hologram, [13,[32][33][34] and other functional metasurfaces [35,36] have been demonstrated elsewhere. A direct method to realize wide FOV is adopting multilayered metasurface lenses, [37,38] same as the traditional approaches [39] but with a more compact volume. For instance, a doublet corrected 2D metalens is proposed with a FOV reaching 60 × 60°. [37] Similar doublets have been demonstrated in the visible region with a FOV of 50°. [38] From a geometric perspective, the angle-induced image aberration could be considered as a consequence of the breaking Recent advances in artificial subwavelength structures promise the realization of ultrathin, lightweight, and flat metalens, providing a potential candidate for traditional bulky and curved lens. Nevertheless, most metalenses are generally suffering from serious off-axis aberration, resulting in a limited field-ofview (FOV). Here, a methodology to extend the FOV of metalens is presented by exploring the local catenary optical fields and symmetry transformation from rotational symmetry to transversal ...

show abstract

Section: Beam Steering Performances (Scanning Range Device Thicknessmentioning

confidence: 99%

High‐Efficiency and Wide‐Angle Beam Steering Based on Catenary Optical Fields in Ultrathin Metalens

Guo

et al. 2018

Advanced Optical Materials

159

View full text Add to dashboard Cite

show abstract

“…Wavefront forming is achieved by implementing the detour‐phase principle . Note that the traditional efforts employing the detour‐phase concept are mostly devoted to helicity independent holograms . As a consequence, the modulated phase definitely results in two isomorphic holograms at the twin diffraction orders, which incurs the expense of a half efficiency.…”

Section: Resultsmentioning

confidence: 99%

Broadband High‐Efficiency Chiral Splitters and Holograms from Dielectric Nanoarc Metasurfaces

Wang

Hwang

Dai

et al. 2019

Small

Self Cite

View full text Add to dashboard Cite

Simultaneous broadband and high efficiency merits of designer metasurfaces are currently attracting widespread attention in the field of nanophotonics. However, contemporary metasurfaces rarely achieve both advantages simultaneously. For the category of transmissive metadevices, plasmonic or conventional dielectric metasurfaces are viable for either broadband operation with relatively low efficiency or high efficiency at only a selection of wavelengths. To overcome this limitation, dielectric nanoarcs are proposed as a means to accomplish two advantages. Continuous nanoarcs support different electromagnetic resonant modes at localized areas for generating phase retardation. Meanwhile, the geometric nature of nanoarc curvature endows the nanoarcs with full phase coverage of 0–2π due to the Pancharatnam–Berry phase principle. Experimentally incorporated with the chiral‐detour phase principle, a few compelling functionalities are demonstrated, such as chiral beamsplitting, broadband holography, and helicity‐selective holography. The continuous nanoarc metasurfaces prevail over plasmonic or dielectric discretized building block strategies and the findings lead to novel designs of spin‐controllable metadevices.

show abstract

“…Resorting to the abrupt phase change of each resonant element instead of accumulated interaction with large coherent length between light and structure, ultrathin metasurface can provide various applications, such as beam deflection [7][8][9][10][11], focusing [12][13][14][15][16], complex beam shaping [17][18][19][20][21], holographic display [22][23][24][25][26], and multiplexed hologram recording [27][28][29][30][31][32][33][34][35][36]. Generally, the previous metasurface can only work on either transmission mode [7] or reflection mode [9,25] depending on deterministic decaying pathway of its resonance.…”

mentioning

confidence: 99%

Multifunctional metasurface: from extraordinary optical transmission to extraordinary optical diffraction in a single structure

Deng

Cao

et al. 2018

Photon. Res.

View full text Add to dashboard Cite

We show that, a metasurface composed of subwavelength metallic slit array embedded in an asymmetric environment can exhibit either extraordinary optical transmission (EOT) or extraordinary optical diffraction (EOD). By employing an analytical model expansion method and the diffraction order chart in k-vector space, we found that the resonance decaying pathway of the local slit cavity mode can be tuned to either 0 th or -1 st diffraction order by changing the parallel wavevector, which gives rise to enhanced 0 th transmission (EOT) of the structure for small incident angles, and enhanced -1 st diffraction (EOD) for large incident angles. Based on this appealing feature, a multifunctional metasurface that can switch its functionality between transmission filter, mirror and off-axis lens is demonstrated. Our findings provide a convenient way to construct multifunctional integrated optical devices on a single planar device.

show abstract

Plasmonic nano‐slits assisted polarization selective detour phase meta‐hologram

Cited by 68 publications

References 35 publications

High‐Efficiency and Wide‐Angle Beam Steering Based on Catenary Optical Fields in Ultrathin Metalens

High‐Efficiency and Wide‐Angle Beam Steering Based on Catenary Optical Fields in Ultrathin Metalens

Broadband High‐Efficiency Chiral Splitters and Holograms from Dielectric Nanoarc Metasurfaces

Multifunctional metasurface: from extraordinary optical transmission to extraordinary optical diffraction in a single structure

Contact Info

Product

Resources

About