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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 21 — Nov. 1, 2010
  • pp: 3637–3639

Titanium-doped sputter-deposited AlN infrared whispering gallery mode microlaser on optical fibers

Muhammad Maqbool, Kyle Main, and Martin Kordesch  »View Author Affiliations

Optics Letters, Vol. 35, Issue 21, pp. 3637-3639 (2010)

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Optical fibers of 12 μm diameter were coated with a sputter-deposited layer ( 4 μm thick) of titanium ( 1 at. % )-doped amorphous aluminum nitride. When optically pumped by an Nd:YAG green laser at 532 nm , laser action was observed in whispering gallery modes around the fiber (in a ring shape) at 780.5 nm with a quality factor Q > 1500 . Other modes were also observed between 775 and 800 nm . The primary and secondary modes give a mode separation of 4.6 nm . No waveguide modes were observed in the cavity.

© 2010 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3560) Lasers and laser optics : Lasers, ring
(140.3590) Lasers and laser optics : Lasers, titanium
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 1, 2010
Revised Manuscript: September 17, 2010
Manuscript Accepted: September 17, 2010
Published: October 26, 2010

Muhammad Maqbool, Kyle Main, and Martin Kordesch, "Titanium-doped sputter-deposited AlN infrared whispering gallery mode microlaser on optical fibers," Opt. Lett. 35, 3637-3639 (2010)

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