Mid-infrared channel waveguides in RbPb⁠2Cl⁠5 crystal inscribed by femtosecond laser pulses

Andrey G. Okhrimchuk; Vladimir Mezentsev; Ninel Lichkova

doi:10.1016/j.optlastec.2017.01.009

Mid-infrared channel waveguides in RbPb⁠₂Cl⁠₅ crystal inscribed by femtosecond laser pulses

Andrey G. Okhrimchuk, Vladimir Mezentsev, Ninel Lichkova

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

Tubular cladding waveguide was inscribed in crystal volume by a femtosecond laser operating at 0.8 μm. The waveguide sustains a single leaking mode at wavelength of 3.39 μm. Propagation losses were investigated experimentallyand theoretically at wavelengths of 1.58 μm and 3.39 μm. Measured losses were found to be as lowas 1.4 dB/cm at 1.58 μm and 5.1 dB/cm at 3.39 μm. Complex propagation constants for leaking modes were obtainedby numerical mode analysis. It was found, that mode leakage is a major factor of losses at wavelength of3.39 μm.

Original language	English
Pages (from-to)	80-84
Number of pages	5
Journal	Optics and Laser Technology
Volume	92
Early online date	27 Feb 2017
DOIs	https://doi.org/10.1016/j.optlastec.2017.01.009
Publication status	Published - 1 Jul 2017

Bibliographical note

Keywords

cladding waveguide
femtosecond inscription
leaking waveguide mode

Access to Document

10.1016/j.optlastec.2017.01.009

Mid-infrared channel waveguides in crystal inscribed by femtosecond laser pulses
© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 732 KBLicence: CC BY-NC-ND 3.0

Cite this

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title = "Mid-infrared channel waveguides in RbPb⁠2Cl⁠5 crystal inscribed by femtosecond laser pulses",

abstract = "Tubular cladding waveguide was inscribed in crystal volume by a femtosecond laser operating at 0.8 μm. The waveguide sustains a single leaking mode at wavelength of 3.39 μm. Propagation losses were investigated experimentallyand theoretically at wavelengths of 1.58 μm and 3.39 μm. Measured losses were found to be as lowas 1.4 dB/cm at 1.58 μm and 5.1 dB/cm at 3.39 μm. Complex propagation constants for leaking modes were obtainedby numerical mode analysis. It was found, that mode leakage is a major factor of losses at wavelength of3.39 μm.",

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AU - Mezentsev, Vladimir

AU - Lichkova, Ninel

PY - 2017/7/1

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