Rib waveguides based on Zn-substituted LiNbO3 films grown by liquid phase epitaxy

Dubs, Carsten; Ruske, J.-P.; Kräußlich, J.; Tünnermann, Andreas

doi:10.1016/j.optmat.2009.03.018

Cited by 20 publications

(8 citation statements)

References 30 publications

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“…Optical waveguides comprised of hetero-materials efficiently confine propagating light because of large difference in refractive indices between the film and the substrate [13]. Therefore, LiNbO3s have been grown by several techniques including liquid-phase epitaxy [14], Ion Beam Sputtering [15], RF magnetron sputtering [16], molecular beam epitaxy [17], metalorganic chemical vapor deposition [18], pulsed-laser deposition (PLD) [19], thermal plasma spray chemical vapor deposition [20], electron-cyclotron-resonance (ECR) plasma sputtering [21], electron beam irradiation [22] and pulsed laser ablation (PLA) [23].…”

Section: Introductionmentioning

confidence: 99%

The structure and optical properties of Lithium Niobate grown on quartz for photonics application

et al. 2017

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Abstract. This paper focuses on the structure and optical properties of Lithium niobate (LN) deposited on quartz substrate by sol-gel method. The solution was prepared at different molarity concentration and annealed at 500 o C. The LNs were analyzed by UV-visible, X-ray diffraction (XRD) and Scanning Electron Microscope (SEM). The results show that as the molar concentration increases, the films crystallization becomes more atomically distributed and the energy band gap approaches 4 eV. Transmission spectra were taken in the wavelength range of 400-1100 nm. Hexagonal structure was observed with good atoms distribution and homogeneous crystallization. There were two phases of LNs recorded in this work.

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Section: Introductionmentioning

confidence: 99%

The structure and optical properties of Lithium Niobate grown on quartz for photonics application

et al. 2017

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“…As an alternative to ion in‐diffusion 12, Zn‐substituted thin films can be epitaxially grown on pure x ‐cut substrate 14 using the liquid‐phase epitaxy (LPE) technique. Such films can be grown with an extraordinary optical quality 15, 16. In addition, both refractive indices, n e and n o , can be adapted, thus enabling planar dielectric waveguiding.…”

Section: Introductionmentioning

confidence: 99%

Laser direct writing: Enabling monolithic and hybrid integrated solutions on the lithium niobate platform

Thomas

Heinrich

Zeil

et al. 2010

Physica Status Solidi (a)

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Applications in life sciences and information technology require all-optical solutions. In the inevitable race towards miniaturized optical circuits, all-integrated solutions will prevail against bulk setups. Because of its outstanding nonlinear properties, lithium niobate (LiNbO3) emerged as the key platform for integrated optics. In this paper, we discuss the direct femtosecond (fs) laser inscription technique whose flexibility enables the realization of two- and three-dimensional embedded optical waveguides in various optical materials. Linear and nonlinear components for monolithic and hybrid waveguide devices are characterized and their perspectives are reviewed, e.g. couplers, Bragg reflectors, frequency converters, amplitude modulators and gain modules. Finally, we demonstrate a monolithic LiNbO3 waveguide chip that combines a frequency doubling and a modulating unit. Thumbnail image of Schematic of a hybrid fs laser written chip that comprises a rare-earth-doped laser section (a), a frequency doubling unit (b), Bragg reflectors (c), waveguide splitters (d) and an amplitude modulator (e)

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“…Among several methods for fabrication of thin films, e.g., sputtering [7], liquid phase epitaxy [8], sol-gel method [9], etc, the PLD method has advantages over others in the following points, (1) materials stoichiometry can be maintained, (2) oxygen-deficiencies can be controlled by adjustment of atmospheric gas pressure and (3) film's thickness is simply proportional to the number of the pulses radiated onto the targets [10].…”

Section: A Fabrication Of the Thin Films By The Pld Methodsmentioning

confidence: 99%

Structural investigation of LN/LT<sup>1</sup> superlattice thin films by field effect scanning transmission electron microscopy equipped with electron disspersive x-ray spectroscopy

Kobata

Tsukahara

Uesu

et al. 2011

2011 International Symposium on Applications of Ferroelectrics (ISAF/PFM) and 2011 International Symposium on Piezoresponse For

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Rib waveguides based on Zn-substituted LiNbO3 films grown by liquid phase epitaxy

Cited by 20 publications

References 30 publications

The structure and optical properties of Lithium Niobate grown on quartz for photonics application

The structure and optical properties of Lithium Niobate grown on quartz for photonics application

Laser direct writing: Enabling monolithic and hybrid integrated solutions on the lithium niobate platform

Structural investigation of LN/LT<sup>1</sup> superlattice thin films by field effect scanning transmission electron microscopy equipped with electron disspersive x-ray spectroscopy

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