Experimental demonstration of TM mode-attenuation resonance in planar metal-clad optical waveguides

Thyagarajan, K.; Bourbin, Y.; Enard, A.; Vatoux, S.; Papuchon, M.

doi:10.1364/ol.10.000288

Cited by 11 publications

(1 citation statement)

References 13 publications

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“…1 Keyvan Ahmadi keyvanah@shirazu.ac.ir Various solutions proposed for making such polarizers include (1) use of an anisotropic leaky wave polarizer in an anisotropic crystal such as LiNbO3 (2) propagation in a direction oblique to the optic axis to make one of the modes leaky and (3) metal cladding to introduce differential losses between TE and TM modes. Extinction ratio of 32dB/cm and insertion loss of 0.9dB/cm have been reported on the y-cut LiNbO3 substrate at 1.55µm benefiting from processdependence characteristics of TE-pass Zn-diffused waveguides [1][2][3][4][5][6]. Of the proposed solutions, the metal-cladded polarizer is the most interesting since it is integrable with the optical circuit and is expected to reach a high differential attenuation polarization.…”

Section: Introductionmentioning

confidence: 99%

Simulation, Fabrication and Characterization of an Integrated Plasmonic Polarizer on Ti Diffused LiNbO3 Channel Waveguide

Ahmadi

Isfahani

Fathi

2021

Preprint

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In this work the design, fabrication and characterization of a TE-pass plasmonic waveguide polarizer on Ti in-diffused channel waveguide fabricated on x-cut LiNbO3 substrate are reported. By deposition of MgF2 of 5nm thickness as the buffer layer and Au layer of about 30nm thickness as the cladding layer the polarization extinction ratio measured to be 32dB and insertion loss for TE mode was about 2dB in a single mode channel waveguide of 2.1cm length.

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Section: Introductionmentioning

confidence: 99%

Simulation, Fabrication and Characterization of an Integrated Plasmonic Polarizer on Ti Diffused LiNbO3 Channel Waveguide

Ahmadi

Isfahani

Fathi

2021

Preprint

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Modal dispersion curves for annular waveguides with core cross section bounded by conducting and dielectric nonconcentric circles

Singhand¹,

Singh

2000

Microw. Opt. Technol. Lett.

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We study the modal characteristics of a waveguide of annular cross section with nonconcentric circular boundaries. In this study, either both or one of the cladding regions is taken as highly conducting. The bipolar coordinate system is introduced for the analysis, and the characteristic equations are derived. Results show that the absence of concentricity of the two boundaries reduces the number of sustained modes. Dispersion curves show that two types of modes are propagated simultaneously through the waveguide in which either of the claddings is metallic. One type shows an anomalous dispersion behavior. For the waveguide with both of the boundaries conducting, dispersion curves have the expected shape as in the case of standard annular waveguides of concentric circular boundaries. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 25: 129–134, 2000.

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Modal characteristics of an annular waveguide of constant radial width having elliptical boundaries

Verma

Singh²,

Singh

2000

Microw. Opt. Technol. Lett.

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We consider an annular elliptic lightguide of constant radial width (CRWEG), whose guiding region cross section is bounded by two elliptical boundaries. Using Goell's point‐matching method, we obtain the characteristic equation and dispersion curves for this waveguide. When the dispersion curves of this waveguide are compared with that of confocal and concentric elliptic lightguides (CFEG and CEG), it is found that they are less steep for CRWEG. It is also found that the cutoff value of the lowest order modes for this waveguide is greater than that for CFEG and CEG. This means that this waveguide supports fewer modes than CFEG and CEG. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 28: 40–43, 2001.

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Experimental demonstration of TM mode-attenuation resonance in planar metal-clad optical waveguides

Cited by 11 publications

References 13 publications

Simulation, Fabrication and Characterization of an Integrated Plasmonic Polarizer on Ti Diffused LiNbO3 Channel Waveguide

Simulation, Fabrication and Characterization of an Integrated Plasmonic Polarizer on Ti Diffused LiNbO3 Channel Waveguide

Modal dispersion curves for annular waveguides with core cross section bounded by conducting and dielectric nonconcentric circles

Modal characteristics of an annular waveguide of constant radial width having elliptical boundaries

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