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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 6076–6081

Generation of single-frequency tunable green light in a coupled ring tapered diode laser cavity

Ole Bjarlin Jensen and Paul Michael Petersen  »View Author Affiliations

Optics Express, Vol. 21, Issue 5, pp. 6076-6081 (2013)

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We report the realization of a tapered diode laser operated in a coupled ring cavity that significantly improves the coherence properties of the tapered laser and efficiently generates tunable light at the second harmonic frequency. The tapered diode laser is tunable with single-frequency output in the broad wavelength range from 1049 nm to 1093 nm and the beam propagation factor is improved from M2 = 2.8 to below 1.1. The laser frequency is automatically locked to the cavity resonance frequency using optical feedback. Furthermore, we show that this adaptive external cavity approach leads to efficient frequency doubling. More than 500 mW green output power is obtained by placing a periodically poled LiNbO3 crystal in the external cavity. The single frequency green output from the laser system is tunable in the 530 nm to 533 nm range limited by the LiNbO3 crystal. The optical to optical conversion efficiency exceeds 30%.

© 2013 OSA

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3560) Lasers and laser optics : Lasers, ring
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 3, 2013
Revised Manuscript: February 12, 2013
Manuscript Accepted: February 23, 2013
Published: March 4, 2013

Ole Bjarlin Jensen and Paul Michael Petersen, "Generation of single-frequency tunable green light in a coupled ring tapered diode laser cavity," Opt. Express 21, 6076-6081 (2013)

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  1. H. K. Nguyen, M. H. Hu, N. Nishiyama, N. J. Visovsky, Y. Li, K. Song, X. Liu, J. Gollier, L. C. Hughes, R. Bhat, and C.-E. Zah, “107-mW low-noise green-light emission by frequency doubling of a reliable 1060 nm DFB semiconductor laser diode,” IEEE Photon. Technol. Lett.18(5), 682–684 (2006). [CrossRef]
  2. O. B. Jensen, P. E. Andersen, B. Sumpf, K.-H. Hasler, G. Erbert, and P. M. Petersen, “1.5 W green light generation by single-pass second harmonic generation of a single-frequency tapered diode laser,” Opt. Express17(8), 6532–6539 (2009). [CrossRef] [PubMed]
  3. A. Müller, O. B. Jensen, K. H. Hasler, B. Sumpf, G. Erbert, P. E. Andersen, and P. M. Petersen, “Efficient concept for generation of diffraction-limited green light by sum-frequency generation of spectrally combined tapered diode lasers,” Opt. Lett.37(18), 3753–3755 (2012). [CrossRef] [PubMed]
  4. A. Jechow and R. Menzel, “Efficient blue light generation by frequency doubling of a broad-area diode laser in a compact external cavity,” Appl. Phys. B89(4), 507–511 (2007). [CrossRef]
  5. A. Jechow, R. Menzel, K. Paschke, and G. Erbert, “Blue-green light generation using high brilliance edge emitting diode lasers,” Laser Photonics Rev.4(5), 633–655 (2010). [CrossRef]
  6. J. H. Lundeman, O. B. Jensen, P. E. Andersen, S. Andersson-Engels, B. Sumpf, G. Erbert, and P. M. Petersen, “High power 404 nm source based on second harmonic generation in PPKTP of a tapered external feedback diode laser,” Opt. Express16(4), 2486–2493 (2008). [CrossRef] [PubMed]
  7. T. Meier, B. Willke, and K. Danzmann, “Continuous-wave single-frequency 532 nm laser source emitting 130 W into the fundamental transversal mode,” Opt. Lett.35(22), 3742–3744 (2010). [CrossRef] [PubMed]
  8. W. J. Kozlovsky, W. P. Risk, W. Lenth, B. G. Kim, G. L. Bona, H. Jaeckel, and D. J. Webb, “Blue light generation by resonator-enhanced frequency-doubling of an extended-cavity diode laser,” Appl. Phys. Lett.65(5), 525–527 (1994). [CrossRef]
  9. X. G. Sun, G. W. Switzer, and J. L. Carlsten, “Blue light generation in an external ring cavity using both cavity and grating feedback,” Appl. Phys. Lett.76(8), 955–957 (2000). [CrossRef]
  10. D. Skoczowsky, A. Jechow, R. Menzel, K. Paschke, and G. Erbert, “Efficient second-harmonic generation using a semiconductor tapered amplifier in a coupled ring-resonator geometry,” Opt. Lett.35(2), 232–234 (2010). [CrossRef] [PubMed]
  11. D. Skoczowsky, A. Jechow, H. Stürmer, T. Poßner, J. Sacher, and R. Menzel, “Quasi monolithic ring resonator for efficient frequency doubling of an external cavity diode laser,” Appl. Phys. B98(4), 751–757 (2010). [CrossRef]
  12. A. Knauer, G. Erbert, R. Staske, B. Sumpf, H. Wenzel, and M. Weyers, “High-power 808-nm lasers with a super-large optical cavity,” Semicond. Sci. Technol.20(6), 621–624 (2005). [CrossRef]
  13. O. B. Jensen, B. Sumpf, G. Erbert, and P. M. Petersen, “Widely tunable high-power tapered diode laser at 1060 nm,” IEEE Photon. Technol. Lett.23(21), 1624–1626 (2011). [CrossRef]

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