OSA's Digital Library

Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 16890–16897

Direct measurement of the spectral reflectance of OP-SDL gain elements under optical pumping

Carl Borgentun, Jörgen Bengtsson, and Anders Larsson  »View Author Affiliations

Optics Express, Vol. 19, Issue 18, pp. 16890-16897 (2011)

View Full Text Article

Enhanced HTML    Acrobat PDF (1114 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



We report on a direct measurement method for acquiring highly precise reflectance spectra of gain elements for semiconductor disk lasers under optical pumping. The gain element acts as an active mirror, and the active mirror reflectance (AMR) was measured with a weak and tunable probe beam coincident on the gain element with a high-power pump beam. In particular, we measured the spectral AMR of a gain element designed to have a broad and flat AMR spectrum by being anti-resonant at the center wavelength and employing a parametrically optimized anti-reflection structure. We were able to confirm that this sophisticated gain element performs according to design, with an almost constant AMR of ∼103% over a wavelength range of nearly 35 nm, very well matching the simulated behavior. Such gain characteristics are useful for optically pumped semiconductor disk lasers (OP-SDLs) designed for broadband tuning and short-pulse generation through mode-locking. The measurement technique was also applied to a conventional resonant periodic gain element designed for fixed wavelength OP-SDL operation; its AMR spectrum is markedly different with a narrow peak, again in good agreement with the simulations.

© 2011 OSA

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5700) Instrumentation, measurement, and metrology : Reflection
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 16, 2011
Revised Manuscript: July 23, 2011
Manuscript Accepted: July 27, 2011
Published: August 15, 2011

Carl Borgentun, Jörgen Bengtsson, and Anders Larsson, "Direct measurement of the spectral reflectance of OP-SDL gain elements under optical pumping," Opt. Express 19, 16890-16897 (2011)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. B. Rudin, A. Rutz, M. Hoffmann, D. J. H. C. Maas, A.-R. Bellancourt, E. Gini, T. Südmeyer, and U. Keller, “Highly efficient optically pumped vertical-emitting semiconductor laser with more than 20 W average output power in a fundamental transverse mode,” Opt. Lett. 33, 2719–2721 (2008). [CrossRef] [PubMed]
  2. T.-L. Wang, Y. Kaneda, J. M. Yarborough, J. Hader, J. V. Moloney, A. Chernikov, S. Chatterjee, S. W. Koch, B. Kunert, and W. Stolz, “High-power optically pumped semiconductor laser at 1040 nm,” IEEE Photon. Technol. Lett. 22, 661–663 (2010). [CrossRef]
  3. A. Wojcik-Jedlinska, K. Pierscinski, A. Jasik, J. Muszalski, and M. Bugajski, “Optical characterisation of vertical-external-cavity surface-emitting lasers (VECSELs),” Opt. Appl. 37, 449–457 (2007).
  4. C. Borgentun, J. Bengtsson, A. Larsson, F. Demaria, A. Hein, and P. Unger, “Optimization of a broadband gain element for a widely tunable high-power semiconductor disk laser,” IEEE Photon. Technol. Lett. 22, 978–980 (2010). [CrossRef]
  5. J. Paajaste, S. Suomalainen, R. Koskinen, A. Härkönen, M. Guina, and M. Pessa, “High-power and broadly tunable GaSb-based optically pumped VECSELs emitting near 2 μm,” J. Cryst. Growth 311, 1917–1919 (2009). [CrossRef]
  6. A.-R. Bellancourt, Y. Barbarin, D. J. H. C. Maas, M. Shafiei, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Low saturation fluence antiresonant quantum dot SESAMs for MIXSEL integration,” Opt. Express 17, 9704–9711 (2009). [CrossRef] [PubMed]
  7. L. Coldren and S. Corzine, Diode Lasers and Photonic Integrated Circuits (Wiley, 1995).

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited