Epitaxial Tm:YAG waveguide lasers at 2µm and upconversion fluorescence in the blue and UV regions

D.P. Shepherd,A.C. Large,T.J. Warburton,A.C. Tropper,D.C. Hanna,C. Borel,A. Rameix,Ph. Thony,B. Ferrand,S. Guy,B. Jaquier,M.-F. Joubert

Epitaxial Tm:YAG waveguide lasers at 2µm and upconversion fluorescence in the blue and UV regions

1994

D.P. Shepherd
A.C. Large
T.J. Warburton
A.C. Tropper
D.C. Hanna
C. Borel
A. Rameix
Ph. Thony
B. Ferrand
S. Guy
B. Jaquier
M.-F. Joubert

We report the growth and efficient, low threshold, diode-pumped, 2µm laser operation of Tm:YAG epitaxial planar waveguides. A room temperature avalanche upconversion process giving intense blue and uv fluorescence is also described.

Keywords:

Fluorescence
Laser
Waveguide
Photon upconversion
Epitaxy
Optics
Materials science
waveguide lasers
Planar
Optoelectronics

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