Dr.

Roman Bek

Wissenschaftlicher Mitarbeiter
Institut für Halbleiteroptik und Funktionelle Grenzflächen
Semiconductor Epitaxy Group

Kontakt

+49 711 685-69849

Allmandring 3
70569 Stuttgart
Deutschland
Raum: 1.033

  1. 2019

    1. Kriso, C., Kress, S., Munshi, T., Grossmann, M., Bek, R., Jetter, M., … Rahimi-Iman, A. (2019). Microcavity-enhanced Kerr nonlinearity in a vertical-external-cavity surface-emitting laser. Opt. Express, 27(9), 11914--11929. https://doi.org/10.1364/OE.27.011914
  2. 2017

    1. Kahle, Hermann, Mateo, C. M., Bek, R., Jetter, M., & Brauch, U. (2017). Heat sink sandwich extends wavelength for semiconductor membrane laser. LASER FOCUS WORLD, 53(6), 70–73.
    2. Mirkhanov, S., Quarterman, A. H., Kahle, H., Bek, R., Pecoroni, R., Smyth, C. J. C., … Wilcox, K. G. (2017). DBR-free semiconductor disc laser on SiC heatspreader emitting 10.1 W at 1007 nm. Electronics Letters, 53(23), 1537--1539. https://doi.org/10.1049/el.2017.2689
    3. Kahle, Herman, Mateo, C. M., Brauch, U., Bek, R., Jetter, M., Graf, T., & Michler, P. (2017). Novel semiconductor membrane external-cavity surface-emitting laser. SPIE Newsroom. https://doi.org/10.1117/2.1201703.006864
    4. Bek, Roman, Grossmann, M., Kahle, H., Koch, M., Rahimi-Iman, A., Jetter, M., & Michler, P. (2017). Self-mode-locked AlGaInP-VECSEL. APPLIED PHYSICS LETTERS, 111(18). https://doi.org/10.1063/1.5010689
  3. 2016

    1. Mateo, C. M. N., Brauch, U., Kahle, H., Bek, R., Schwarzbäck, T., Jetter, M., … Graf, T. (2016). Efficiency and power scaling of in-well and multi-pass pumped AlGaInP-VECSELs. Retrieved from /brokenurl#NULL
    2. Kahle, Hermann, Mateo, C. M. N., Brauch, U., Bek, R., Schwarzbäck, T., Jetter, M., … Michler, P. (2016). Gain chip design, power scaling and intra-cavity frequency doubling with LBO of optically pumped red-emitting AlGaInP-VECSELs. Retrieved from /brokenurl#NULL
    3. Kahle, H. P., Mateo, C. M. N., Brauch, U., Tatar-Mathes, P., Bek, R., Jetter, M., … Michler, P. (2016). Semiconductor membrane external-cavity surface-emitting laser (MECSEL). Optica, 3(12), 1506.
  4. 2015

    1. Kahle, Hermann, Mateo, C. M. N., Jäger, M., Weinspach, K., Baumgärtner, S., Brauch, U., … Michler, P. (2015). Degradation studies and pump optimization of optically pumped red-emitting AlGaInP-VECSELs. Retrieved from /brokenurl#NULL
    2. Bek, Roman, Kersteen, G., Kahle, H., Schwarzbäck, T., Jetter, M., & Michler, P. (2015). Quantum dot based mode-locked AlGaInP-VECSEL. Retrieved from /brokenurl#NULL
    3. Stadler, M., Kahle, H., Bek, R., Huang, Z., Jetter, M., & Michler, P. (2015). Poster:Towards AlGaInP-based electrically-pumped VECSELs emitting in the red spectral range.
    4. Kahle, H., Baumgärtner, S., Sauter, F., Bek, R., Schwarzbäck, T., Jetter, M., & and P. Michler. (2015). Talk:High-power (>400 mW) laser emission at 332 nm of frequency-doubled, optically pumped AlGaInP disk laser with an optimized quantum well structure.
    5. Baumgaertner, S., Kahle, H., Bek, R., Schwarzbaeck, T., Jetter, M., & Michler, P. (2015). Comparison of AlGaInP-VECSEL gain structures. JOURNAL OF CRYSTAL GROWTH, 414, 219–222. https://doi.org/10.1016/j.jcrysgro.2014.10.016
    6. Bek, R., Kersteen, G., Kahle, H., Schwarzbäck, T., Jetter, M., & Michler, P. (2015). Talk:Quantum dot based mode-locked AlGaInP-VECSEL.
    7. Bek, Roman, Baumgaertner, S., Sauter, F., Kahle, H., Schwarzbaeck, T., Jetter, M., & Michler, P. (2015). Intra-cavity frequency-doubled mode-locked semiconductor disk laser at    325 nm. OPTICS EXPRESS, 23(15), 19947–19953. https://doi.org/10.1364/OE.23.019947
  5. 2014

    1. Baumgärtner, S., Kahle, H., Bek, R., Schwarzbäck, T., Jetter, M., & Michler, P. (2014a). Poster:Comparison of AlGaInP-VECSEL gain structures.
    2. Bek, Roman, Kersteen, G., Kahle, H., Schwarzbäck, T., Jetter, M., & Michler, P. (2014). All quantum dot mode-locked semiconductor disk laser emitting at 655 nm. Applied Physics Letters, 105(082107). https://doi.org/10.1063/1.4894182
    3. Baumgärtner, S., Kahle, H., Bek, R., Schwarzbäck, T., Jetter, M., & Michler, P. (2014b). Talk:Gainstrukturen für AlGaInP-basierte Halbleiterscheibenlaser im roten Spektralbereich.
    4. Bek, Roman, Daghestani, N. S., Kahle, H., Schwarzbäck, T., Jetter, M., Cataluna, M. A., & Michler, P. (2014). Femtosecond mode-locked red AlGaInP-VECSEL. Retrieved from http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1840291
    5. Kahle, Hermann, Bek, R., Heldmaier, M., Schwarzbäck, T., Jetter, M., & Michler, P. (2014). High optical output power in the UVA range of a frequency-doubled, strain-compensated AlGaInP-VECSEL. Applied Physics Express, 7(092705). http://dx.doi.org/10.7567/APEX.7.092705
  6. 2013

    1. Kahle, Hermann, Bek, R., Rengstl, U., Schwarzbäck, T., Jetter, M., & Michler, P. (2013). Strain compensated 10x2 quantum well AlGaInP-VECSEL emitting below 660 nm frequency doubled for UV output up to 260 mW. Retrieved from /brokenurl#NULL
    2. Schwarzbäck, T., Bek, R., Hargart, F., Kessler, C. A., Kahle, H., Koroknay, E., … Michler, P. (2013b). Talk:InP quantum dot based semiconductor disk laser.
    3. Schwarzbäck, Thomas, Bek, R., Kahle, H., Jetter, M., & and Peter Michler. (2013). Talk: SESAM mode-locked red AlGaInP semiconductor disk laser emitting at 665 nm.
    4. Schwarzbäck, T., Bek, R., Kahle, H., Rengstl, U., Hargart, F., Kessler, C. A., … and P. Michler. (2013). Talk:Epitaxy of AlGaInP based semiconductor disk lasers: wells, dots, frequency doubling and mode locking.
    5. Schwarzbäck, T., Bek, R., Hargart, F., Kessler, C. A., Kahle, H., Koroknay, E., … Michler, P. (2013c). Talk:Red quantum dot based semiconductor disk laser.
    6. Bek, Roman, Kahle, H., Schwarzbäck, T., Jetter, M., & Michler, P. (2013). Mode-locked red-emitting semiconductor disk laser with sub-250 fs pulses. Applied Physics Letters, 103(242101). https://doi.org/10.1063/1.4835855
    7. Schwarzbäck, T., Bek, R., Hargart, F., Kessler, C. A., Kahle, H., Koroknay, E., … Michler, P. (2013a). InP quantum dots used as gain media for a red emitting VECSEL. Retrieved from /brokenurl#NULL
    8. Schwarzbäck, Thomas, Bek, R., Hargart, F., Kessler, C. A., Kahle, H., Koroknay, E., … Michler, P. (2013). High-power InP quantum dot based semiconductor disk laser exceeding 1.3 W. Applied Physics Letters, 102(092101). https://doi.org/10.1063/1.4793299
    9. Schwarzbäck, Thomas, Rengstl, U., Niederbracht, H., Bek, R., Kahle, H., Jetter, M., & and Peter Michler. (2013). Talk:Thermisches Management einer QW-Membran im Hinblick auf Leistungsskalierung roter Halbleiterscheibenlaser.
  7. 2012

    1. Schwarzbäck, T., Bek, R., Hargart, F., Kessler, C. A., Kahle, H., Koroknay, E., … Michler, P. (2012). Talk:InP quantenpunktbasierter Halbleiterscheibenlaser.
    2. Schwarzbäck, Thomas, Kahle, H., Bek, R., Jetter, M., & and Peter Michler. (2012). Talk:Frequency doubled AlGaInP-VECSEL with high output power at 331 nm and a large wavelength tuning range in the UV.
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