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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2394–2396

Ultra-narrow-linewidth, single-frequency distributed feedback waveguide laser in Al 2 O 3 : Er 3 + on silicon

E. H. Bernhardi, H. A.G.M. van Wolferen, L. Agazzi, M. R.H. Khan, C. G.H. Roeloffzen, K. Wörhoff, M. Pollnau, and R. M. de Ridder  »View Author Affiliations


Optics Letters, Vol. 35, Issue 14, pp. 2394-2396 (2010)
http://dx.doi.org/10.1364/OL.35.002394


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Abstract

We report the realization and performance of a distributed feedback channel waveguide laser in erbium-doped aluminum oxide on a standard thermally oxidized silicon substrate. The diode-pumped continuous-wave laser demonstrated a threshold of 2.2 mW absorbed pump power and a maximum output power of more than 3 mW with a slope efficiency of 41.3% versus absorbed pump power. Single-longitudinal-mode and single-polarization operation was achieved with an emission linewidth of 1.70 ± 0.58 kHz (corresponding to a Q factor of 1.14 × 10 11 ), which was centered at a wavelength of 1545.2 nm .

© 2010 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 30, 2010
Revised Manuscript: June 21, 2010
Manuscript Accepted: June 23, 2010
Published: July 8, 2010

Citation
E. H. Bernhardi, H. A.G.M. van Wolferen, L. Agazzi, M. R.H. Khan, C. G.H. Roeloffzen, K. Wörhoff, M. Pollnau, and R. M. de Ridder, "Ultra-narrow-linewidth, single-frequency distributed feedback waveguide laser in Al2O3:Er3+ on silicon," Opt. Lett. 35, 2394-2396 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2394

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