High Efficiency One-Way Transmission by One-Dimensional Photonic Crystals with Gratings on One Side

Kang, Xiaoning; Tan, Wei; Wang, Zhanshan; Wang, Zhiguo; Chen, Hong

doi:10.1088/0256-307x/27/7/074204

Cited by 15 publications

(7 citation statements)

References 19 publications

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“…In fact, it does not matter whether onedimensional, two-dimensional, or three-dimensional PC is taken to obtain a PC grating. For example, similar transmission features have been found in the structures that comprise a slab of one-dimensional PC and a dielectric grating placed at one of the interfaces [18]. Unidirectional transmission that exploits the combination of the dispersion and diffraction effects has been demonstrated in the compact (less than one free-space wavelength thick) structure that is based on the stacked hole arrays with one-side corrugations [19].…”

Section: Introductionmentioning

confidence: 63%

“…Thus, the latter should be preferable to fulfill requirements to the practical devices. The inverse regime may occur but has not yet been studied in various structures with the broken spatial inversion symmetry, which are suggested to operate at the frequencies from acoustic to optical ones, e.g., see [15][16][17][18][19]. One should note in Figs In addition to the unidirectional transmission, the isolation takes place here, which is understood in the sense of the lack of interference between the two diffraction processes that is observed at the simultaneous illumination of the PC grating from the two sides being opposite to each other.…”

Section: Resultsmentioning

confidence: 99%

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Multichannel optical diode with unidirectional diffraction relevant total transmission

Serebryannikov¹,

Cakmak²,

Özbay³

2012

Opt. Express

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We will show that broadband unidirectional optical transmission with a total transmission maximum inside the band can be obtained for linearly polarized incident waves in the nonsymmetric photonic crystal gratings made of isotropic linear materials at a fixed nonzero or zero angle of incidence. Being based on the merging of diffraction and dispersion effects, the basic physical mechanism studied exploits the transmission channels associated with higher orders, for which asymmetry in the coupling conditions at the two grating interfaces appears when spatial inversion symmetry is broken. Total transmission in one direction and zero transmission in the opposite direction can be obtained due to hybridization of Fabry-Perot type resonances with a diffraction anomaly that yields a diode-like operation regime. Single-beam deflection and two-beam splitting can be obtained, for which transmission can be (nearly) total, if the corrugated side is illuminated. In contrast to the previous studies, it is also shown that unidirectional transmission can appear only at a fixed frequency and only due to diffractions, when total transmission occurs at the noncorrugated-side illumination, being in agreement with the Lorentz Lemma. ©2012 Optical Society of America

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Section: Introductionmentioning

confidence: 63%

Section: Resultsmentioning

confidence: 99%

Multichannel optical diode with unidirectional diffraction relevant total transmission

Serebryannikov¹,

Cakmak²,

Özbay³

2012

Opt. Express

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show abstract

“…Because of reciprocity, additional transmission channels should be opened for one of the two opposite illumination directions, which can be connected with higher diffraction orders [1][2][3][4][5][6][7][8] or polarization conversion [9][10][11] and can exploit benefits of inclining interfaces. [12][13][14] In the first case, asymmetry in transmission is inspired, in fact, by asymmetric diffractions at the opposite interfaces of a grating-like structure.…”

Section: Introductionmentioning

confidence: 99%

Wideband unidirectional transmission with tunable sign-switchable refraction and deflection in nonsymmetric structures

et al. 2013

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A general theory of reciprocal unidirectional transmission with tunable sign-switchable refraction and deflection of outgoing wave in structures with broken spatial inversion symmetry is presented. Several coupling scenarios connected with the diffraction-inspired asymmetry in transmission are considered for volumetric structures with one-side corrugations. They illustrate conditions of coexistence of diodelike unidirectional transmission and tunability of deflection and refraction, including change of their sign. Simulation results are presented and analyzed for nonsymmetric structures based on the stacked subwavelength hole array metamaterial. It is shown that one-way coupling can appear within a wide range of frequencies and angles of incidence, a part of which may be used to obtain different signs of deflection. Transmission results and field distributions confirm the possibility of obtaining high-contrast unidirectional transmission that can be tuned by varying incidence angle, while frequency is fixed. A pronounced unidirectional transmission is demonstrated at negative deflection in structures that are only 0.47λ 0 thick, whereas a thicker structure is required in order to obtain both signs of deflection in a unidirectional regime.

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“…Finite-thickness PC based transmission gratings that are structurally asymmetric due to the one-side corrugations have been recently suggested 8 and then extensively studied with the focus on asymmetric transmission. [1][2][3][4][9][10][11] In these structures, the dominant mechanism is based on the merging of the effects of dispersion of the Floquet-Bloch (FB) modes of the PC and asymmetric diffraction and coupling at the interfaces. The higher orders may take all the incident-wave energy in the forward case, while the transmission is blocked in the backward case.…”

mentioning

confidence: 99%

Experimental study of broadband unidirectional splitting in photonic crystal gratings with broken structural symmetry

Çolak

Serebryannikov

Cakmak

et al. 2013

Applied Physics Letters

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It is experimentally demonstrated that the combination of diode and splitter functions can be realized in one broadband reciprocal device. The suggested performance is based on the dielectric photonic crystal grating whose structural symmetry is broken owing to non-deep corrugations placed at one of the two interfaces. The study has been performed at a normally incident beam-type illumination obtained from a microwave horn antenna. The two unidirectionally transmitted, deflected beams can show large magnitude and high contrast, while the angular distance between their maxima is 90° and larger. The dual-band unidirectional splitting is possible when using TM and TE polarizations. © 2013 American Institute of Physics

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High Efficiency One-Way Transmission by One-Dimensional Photonic Crystals with Gratings on One Side

Cited by 15 publications

References 19 publications

Multichannel optical diode with unidirectional diffraction relevant total transmission

Multichannel optical diode with unidirectional diffraction relevant total transmission

Wideband unidirectional transmission with tunable sign-switchable refraction and deflection in nonsymmetric structures

Experimental study of broadband unidirectional splitting in photonic crystal gratings with broken structural symmetry

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