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Continuous wave laser generation at 1064 nm in femtosecond laser inscribed channel waveguides
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10.1063/1.3467816
/content/aip/journal/apl/97/3/10.1063/1.3467816
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/3/10.1063/1.3467816
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Figures

Image of FIG. 1.
FIG. 1.

(a) Reconstructed 2D refractive index profile of the channel waveguide on the cross section, (b) calculated modal profile, and (c) measured near-field intensity distribution of waveguide mode. Arrows indicate the location of filaments.

Image of FIG. 2.
FIG. 2.

Schematic of the experimental setup for the waveguide laser generation. WP: wave plate; MO1 and MO2: microscope objective lens; M1 and M2: laser cavity mirrors adhered to the two end-facets of the sample.

Image of FIG. 3.
FIG. 3.

cw laser oscillation spectra (solid line) from the fs-laser inscribed waveguide after pumping at 808 nm above the pumping threshold. The luminescence emission spectra of the waveguides (when the pumping power is below the threshold) are also shown for comparison (dashed line).

Image of FIG. 4.
FIG. 4.

cw waveguide laser output power at 1064 nm as a function of the absorbed pump power at 808 nm (a) without or (b) with the mirrors. The slope efficiency of 38.7% and 0.6%, and the threshold of and 14 mW can be obtained for laser generations from the channel waveguides without or with the cavity mirrors, respectively.

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/content/aip/journal/apl/97/3/10.1063/1.3467816
2010-07-23
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Continuous wave laser generation at 1064 nm in femtosecond laser inscribed Nd:YVO4 channel waveguides
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/3/10.1063/1.3467816
10.1063/1.3467816
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