Optical properties of epitaxial Ca_xBa_1-xNb_2O_6 thin film based rib-waveguide structure on (001) MgO for electro-optic applications

Polymeric Disperse Red 1 (DR1)/SU-8 electro-optic (EO) switch incorporating inverted-rib waveguide structure is designed and fabricated by all-wet etching process. The guest-host EO material DR1/SU-8 has been successfully synthetized and its optical properties are characterized in detail. The DR1/SU-8 material presents a low processing cost, an excellent photostability and a large EO coefficient of 15.4 pm/V. The characteristic parameters of both the inverted-rib waveguide and the coplanar waveguide electrodes are carefully designed and simulated. By all-wet etching process, the optimized Mach–Zehnder interferometer switch is successfully fabricated with a lower fiber-to-fiber insertion loss of 9.6 dB. The switch rise time and fall time are 322 ns and 294 ns, respectively.

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Design And Optimization of Integrated Mach_ Zehnder Modulators In X-Cut Lithium Niobate Thin Film

10.21203/rs.3.rs-727479/v1 ◽

2021 ◽

Author(s):

Luma Z. Mohammed ◽

Makram A Fakhri ◽

A. K. Abass ◽

Evan T. Salim ◽

U. Hashim

Keyword(s):

Thin Film ◽

Optical Properties ◽

Figure Of Merit ◽

Silicon Oxide ◽

Laser Deposition ◽

Design And Optimization ◽

Theoretical Design ◽

Electro Optic ◽

Silicon Silicon ◽

Electro Optic Modulator

Abstract The Mach-Zehnder electro-optic modulator (MZM) was designed and fabricated using the AFM COMSOL program and the pulse laser deposition (PLD) technique. The PLD technique was used to deposit silicon, silicon oxide and LN thin film. Previously estimated optical properties of the prepared films were employed in the theoretical design of the modulator. Optimum device parameters were obtained, which delivered a considerable figure of merit (Vπ.L) values within the range of 2.12 to 2.25 at a device length of 2 cm.

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Bragg Reflector Waveguide and Electro-Optic Modulator Based on Barium Titanate Epitaxial Thin Films

MRS Proceedings ◽

10.1557/proc-1014-aa07-01 ◽

2007 ◽

Vol 1014 ◽

Author(s):

Zhifu Liu ◽

Pao-Tai Lin ◽

Bruce W. Wessels

Keyword(s):

Thin Film ◽

Barium Titanate ◽

Optical Transmission ◽

Stop Band ◽

Optical Filters ◽

Waveguide Structure ◽

Bragg Reflector ◽

Epitaxial Thin Films ◽

Electro Optic ◽

Index Contrast

AbstractWe report the nanofabrication of Bragg reflector waveguide structure based on barium titanate (BTO) epitaxial thin film grown on MgO substrate and characterized its optical transmission. A low pressure (~1 Torr) nano-lithography was used for the formation of Bragg reflector waveguide structure. We demonstrate that there is sufficient refractive index contrast to form a well-defined stop band by forming gratings in a top strip layer of Si3N4 that was grown on BTO thin film. Simulation of the optical transmission and stop band of TE mode, and electro-optic (EO) modulator tunability are discussed as well. The non-linear photonic crystal waveguides are potentially suitable as tunable optical filters and ultra-wide bandwidth modulators.

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Design of a polymer directional coupler electro-optic switch with rib waveguide structure

Journal of Modern Optics ◽

10.1080/09500340701836989 ◽

2008 ◽

Vol 55 (12) ◽

pp. 1859-1869 ◽

Cited By ~ 1

Author(s):

Xin Yan ◽

Chuan-Tao Zheng ◽

Xian-Yin Wang ◽

Da-Ming Zhang ◽

Chun-Sheng Ma

Keyword(s):

Directional Coupler ◽

Waveguide Structure ◽

Rib Waveguide ◽

Electro Optic

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X-Shaped Electro-optic Chromophore with Remarkably Blue-Shifted Optical Absorption. Synthesis, Characterization, Linear/Nonlinear Optical Properties, Self-Assembly, and Thin Film Microstructural Characteristics

Journal of the American Chemical Society ◽

10.1021/ja060185v ◽

2006 ◽

Vol 128 (18) ◽

pp. 6194-6205 ◽

Cited By ~ 105

Author(s):

Hu Kang ◽

Guennadi Evmenenko ◽

Pulak Dutta ◽

Koen Clays ◽

Kai Song ◽

...

Keyword(s):

Thin Film ◽

Optical Properties ◽

Optical Absorption ◽

Self Assembly ◽

Nonlinear Optical ◽

Nonlinear Optical Properties ◽

Microstructural Characteristics ◽

Electro Optic

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Quadratic Nonlinear Optical Properties of Polymeric Organic Materials.

MRS Proceedings ◽

10.1557/proc-247-27 ◽

1992 ◽

Vol 247 ◽

Cited By ~ 3

Author(s):

L.-T. Cheng ◽

R. P. Foss ◽

G. R. Meredith ◽

W. Tam ◽

F. C. Zumsteg

Keyword(s):

Thin Film ◽

Optical Properties ◽

Harmonic Generation ◽

Nonlinear Optical ◽

Second Harmonic ◽

Optical Loss ◽

Rational Approach ◽

Thin Film Fabrication ◽

Electro Optic ◽

Film Fabrication

ABSTRACTWe discuss our rational approach to incorporate optically nonlinear molecules into polymeric and cross-linked materials through the use of isocyanate-hydroxy coupling chemistry. Thin film fabrication, optical loss, poling, second harmonic generation, and electro-optic properties are discussed.

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Physical and Optical Properties of The Films Ð’i2Te3-Bi2Se3

JOURNAL OF ADVANCES IN PHYSICS ◽

10.24297/jap.v11i2.534 ◽

2015 ◽

Vol 11 (2) ◽

pp. 3017-3022

Author(s):

Gurban Akhmedov

Keyword(s):

Thin Film ◽

Optical Properties ◽

Surface Temperature ◽

Thermal Evaporation ◽

Low Voltage ◽

Internal Surface ◽

Differential Resistance ◽

Work Cycle

Results of researches show, that film p-n the structures received by a method of discrete thermal evaporation in a uniform work cycle, are suitable for use in low-voltage devices.Â As a result of work are received p-n heterojunctions in thin-film execution, described by high values of differential resistance. Show that, thermo endurance - T0 maybe using as characteristic of thermo endurance of optic materials. If heating flow, destruction temperature and internal surface temperature is measured during test, it is possible to determine value T0 and other necessity characteristics. As a result of the taking test was lead to comparison evaluation of considered materials. Working range of heating flow and up level heating embark have been determined.

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