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Proceedings Article

Laser deposition and structuring of laser active planar waveguides of Er:ZBLAN, Nd:YAG and Nd:GGG for integrated waveguide lasers

[+] Author Affiliations
Jens Gottmann, Leonid Moiseev, Dirk Wortmann, Ion Vasilief, Larisa Starovoytova, Dimitri Ganser, Ralph Wagner

RWTH Aachen (Germany)

Proc. SPIE 6459, Laser-based Micro- and Nanopackaging and Assembly, 64590W (March 13, 2007); doi:10.1117/12.706845
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From Conference Volume 6459

  • Laser-based Micro- and Nanopackaging and Assembly
  • Wilhelm Pfleging; Yongfeng Lu; Kunihiko Washio; Friedrich G. Bachmann; Willem Hoving
  • San Jose, CA | January 20, 2007

abstract

Laser radiation is used both for the deposition of the laser active thin films and for the micro structuring to define wave guiding structures for the fabrication of waveguide lasers. Thin films of Er:ZBLAN (a glass consisting of ZrF4, BaF2, LaF3, AlF3, NaF, ErF3) for green upconversion lasers (545 nm), Nd:YAG (Y3Al5O12) and Nd:GGG (Gd3Ga5O12) for infrared lasers (1064 nm) are produced. Manufacturing of the laser active waveguides by micro-structuring is done using fs laser ablation of the deposited films. The structural and optical properties of the films and the damping losses of the structured waveguides are determined in view of the design and the fabrication of compact and efficient diode pumped waveguide lasers. The resulting waveguides are polished, provided with resonator mirrors, pumped using diode lasers and characterized. Laser operation of a ridge waveguide structure grown by pulsed laser deposition and structured by fs laser ablation is demonstrated. A 1 μm thick, 100 μm wide and 3 mm long structured waveguide consisting of amorphous neodymium doped Gd3Ga5O12 has shown laser activity at 1.068 μm when pumped by a diode laser at 808 nm.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jens Gottmann ; Leonid Moiseev ; Dirk Wortmann ; Ion Vasilief ; Larisa Starovoytova, et al.
"Laser deposition and structuring of laser active planar waveguides of Er:ZBLAN, Nd:YAG and Nd:GGG for integrated waveguide lasers", Proc. SPIE 6459, Laser-based Micro- and Nanopackaging and Assembly, 64590W (March 13, 2007); doi:10.1117/12.706845; http://dx.doi.org/10.1117/12.706845


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