Operation of Ho: YAG ultrafast laser inscribed waveguide lasers

Sean McDaniel; Fiona Thorburn; Adam Lancaster; Ronald Stites; Gary Cook; Ajoy Kar

doi:10.1364/AO.56.003251

Operation of Ho: YAG ultrafast laser inscribed waveguide lasers

Sean McDaniel, Fiona Thorburn, Adam Lancaster, Ronald Stites, Gary Cook, Ajoy Kar

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

8 Citations (Scopus)

Abstract

We report fabrication and operation of multi-watt level waveguide lasers utilizing holmium-doped yttrium aluminum garnet (Ho:YAG). The waveguides were fabricated using ultrafast laser inscription, which relies on a chirped pulse ytterbium fiber laser to create depressed cladding structures inside the material. A variety of waveguides were created inside the Ho:YAG samples. We demonstrate output powers of ∼2 W from both a single-mode 50 μm waveguide laser and a multimode 80 μm waveguide laser. In addition, laser action from a co-doped Yb:Ho:YAG sample under in-band pumping conditions was demonstrated.

Original language	English
Pages (from-to)	3251-3256
Number of pages	6
Journal	Applied Optics
Volume	56
Issue number	12
Early online date	20 Mar 2017
DOIs	https://doi.org/10.1364/AO.56.003251
Publication status	Published - 20 Apr 2017

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/AO.56.003251

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title = "Operation of Ho: YAG ultrafast laser inscribed waveguide lasers",

abstract = "We report fabrication and operation of multi-watt level waveguide lasers utilizing holmium-doped yttrium aluminum garnet (Ho:YAG). The waveguides were fabricated using ultrafast laser inscription, which relies on a chirped pulse ytterbium fiber laser to create depressed cladding structures inside the material. A variety of waveguides were created inside the Ho:YAG samples. We demonstrate output powers of ∼2 W from both a single-mode 50 μm waveguide laser and a multimode 80 μm waveguide laser. In addition, laser action from a co-doped Yb:Ho:YAG sample under in-band pumping conditions was demonstrated.",

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AU - McDaniel, Sean

AU - Thorburn, Fiona

AU - Lancaster, Adam

AU - Stites, Ronald

AU - Cook, Gary

AU - Kar, Ajoy

PY - 2017/4/20

Y1 - 2017/4/20

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AB - We report fabrication and operation of multi-watt level waveguide lasers utilizing holmium-doped yttrium aluminum garnet (Ho:YAG). The waveguides were fabricated using ultrafast laser inscription, which relies on a chirped pulse ytterbium fiber laser to create depressed cladding structures inside the material. A variety of waveguides were created inside the Ho:YAG samples. We demonstrate output powers of ∼2 W from both a single-mode 50 μm waveguide laser and a multimode 80 μm waveguide laser. In addition, laser action from a co-doped Yb:Ho:YAG sample under in-band pumping conditions was demonstrated.

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