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Yang K, Bromberger H, Ruf H, et al. Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells. Opt Express. 2010;18(7):6537-44doi: 10.1364/OE.18.006537.
Yang, K., Bromberger, H., Ruf, H., Schäfer, H., Neuhaus, J., Dekorsy, T., Grimm, C. V., Helm, M., Biermann, K., & Künzel, H. (2010). Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells. Optics express, 18(7), 6537-44. https://doi.org/10.1364/OE.18.006537
Yang, Kejian, et al. "Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells." Optics express vol. 18,7 (2010): 6537-44. doi: https://doi.org/10.1364/OE.18.006537
Yang K, Bromberger H, Ruf H, Schäfer H, Neuhaus J, Dekorsy T, Grimm CV, Helm M, Biermann K, Künzel H. Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells. Opt Express. 2010 Mar 29;18(7):6537-44. doi: 10.1364/OE.18.006537. PMID: 20389677.
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Opt Express. 2010 Mar 29;18(7):6537-44. doi: 10.1364/OE.18.006537.

Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells.

Optics express

Kejian Yang, Hubertus Bromberger, Hartmut Ruf, Hanjo Schäfer, Joerg Neuhaus, Thomas Dekorsy, Christiana Villas-Boas Grimm, Manfred Helm, Klaus Biermann, Harald Künzel

Affiliations

  1. Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany. [email protected]

PMID: 20389677 DOI: 10.1364/OE.18.006537

Abstract

We report the first demonstration of a solid state laser passively mode-locked through the saturable absorption of short-wavelength intersubband transitions in doped quantum wells: a continuous wave Ti:sapphire laser end-pumped Tm,Ho:YAG laser at the center wavelength of 2.091 mum utilizing intersubband transitions in narrow In(0.53)Ga(0.47)As/Al(0.53)As(0.47)Sb quantum wells. Stable passive mode-locking operation with maximum average output power of up to 160 mW for 2.9 W of the absorbed pump power could last for hours without external interruption and a mode-locked pulse with duration of 60 ps at repetition rate of 106.5 MHz was generated.

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