Monomode optical waveguide in lithium niobate formed by MeV Si+ ion implantation

Hu, Hui; Lu, Fei; Chen, Feng; Shi, Bo‐Rong; Wang, Ke‐Ming; Shen, Ding–Yu

doi:10.1063/1.1367312

Cited by 69 publications

(8 citation statements)

References 7 publications

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“…Implantation of heavy ions at very low dose produces a waveguide by change of the refractive index of the surface layer [60]. The extraordinary index increases whereas the ordinary one experiences a small decrease.…”

Section: Surface Optical Waveguidesmentioning

confidence: 99%

Photonic applications of lithium niobate crystals

Arizméndi

2004

phys. stat. sol. (a)

561

277

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In this paper the most important properties of lithium niobate crystals for photonic applications are reviewed. We will summarize how acting on the stoichiometry, sample structure, doping and domain structure of the crystals, these properties are governed, and can be taylored for each specific application. Finally we present a review of photonic applications in a wide spectrum of fields as lasers and non-linear optics, optical communications, optical memories, and diffractive optics.

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Section: Surface Optical Waveguidesmentioning

confidence: 99%

Photonic applications of lithium niobate crystals

Arizméndi

2004

phys. stat. sol. (a)

561

277

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“…Ion implantation may induce a refractive index change in crystal by two effects [5][6][7][8]. First, at high energy, the region crossed by ions undergoes electronic damage which may produce the variation of the refractive indices.…”

Section: Resultsmentioning

confidence: 99%

“…Diffusion and epitaxial growth have been used to fabricate waveguides in LiNbO 3 and Si-based substrates. However, ion implantation may be a universal method for fabricating waveguide structures in most optical materials because it has a superior controllability and reproducibility to other techniques [4][5][6][7]. It also offers the possibility to bury a waveguide at various depths below the substrate surface by changing the ion species and energies of implantation.…”

Section: Introductionmentioning

confidence: 99%

Planar optical waveguides formed in β-BBO by MeV O+ implantation

Wang

Chen

et al. 2007

Front. Mater. Sci. China

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The planar waveguides have been fabricated in z-cut b-BaB 2 O 4 crystal by 2.8 MeV O + ion implantation with the doses of 8x10 14 and 2x10 15 ions/cm 2 at room temperature. The waveguides were characterized by the prismcoupling method. The dark modes are measured before and after the annealing at 300°C for 20 and 40 min in air. The refractive index profile is reconstructed using the reflectivity calculation method. It is found that relatively large positive changes of extraordinary refractive indices happen in the guiding regions, and a slight change increases with the doses, which are different from most of the observed ion-implanted waveguides.

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“…3,4 Optical materials are expected to play increasingly crucial roles for producing high performance optical waveguide devices, capable of guiding, coupling, switching, splitting, multiplexing and demultiplexing of optical signals. 1,2 Inorganic materials such as silica, 3,4 silicon oxynitride, 5 lithium niobate, 6,7 indium phosphide 8,9 and gallium arsenide 10 are widely employed in the fabrication of modern integrated optics as these materials have the advantages of thermal stability, chemical inertness, transparency and low birefringence. Polymeric materials are presently among the most promising candidates for use in photonics due to their versatility, flexibility, light weight, low cost and ease of modification.…”

Section: Introductionmentioning

confidence: 99%

Preparation of flexible optical waveguide film with refractive index tunability

Kwon

Noh

Han

et al. 2012

Nanophotonic Materials IX

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Novel organic-inorganic hybrid materials were successfully synthesized by non-hydrolytic sol-gel processing. Crackfree and thick films were produced with no remaining traces of solvents without high volume shrinkage. Adjusting the chemical composition of the materials allows the precise tailoring of the optical properties of the materials, such as optical loss, birefringence, refractive index, and thermo-optic coefficient. They can be fabricated into the step index optical waveguide structures with well-defined and reproducible refractive index differences within 0.001. The transmission performance of each waveguide channel was tested using a 10 Gbps data stream. The electrical output signal from a photodetector, connected to a wide-band oscilloscope, displays a clear 10 Gbps eye pattern. We produced a series of flexible optical waveguides from organic-inorganic hybrid materials by using soft-lithographic technique. The optical losses of the flexible waveguide arrays bent over various curvatures were measured and the transmission performance of each waveguide channel was also tested. The bending losses of a flexible waveguide array were measured and found to yield no significant loss above 2 mm diameter curvature.

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Monomode optical waveguide in lithium niobate formed by MeV Si+ ion implantation

Abstract: Articles you may be interested inOptical characterization of femtosecond laser induced active channel waveguides in lithium fluoride crystals Channel waveguide array in Ce-doped potassium sodium strontium barium niobate crystal fabricated by He + ion implantation Appl.

Cited by 69 publications

References 7 publications

Photonic applications of lithium niobate crystals

Photonic applications of lithium niobate crystals

Planar optical waveguides formed in β-BBO by MeV O+ implantation

Preparation of flexible optical waveguide film with refractive index tunability

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