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Applied Physics Letters / Volume 92 / Issue 2 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 92, 021115 (2008); http://dx.doi.org/10.1063/1.2834898 (3 pages)

Single-walled carbon nanotubes for high-energy optical pulse formation

Yong-Won Song1, Shinji Yamashita2, and Shigeo Maruyama3

1Center for Energy Materials Research, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea
2Department of Electronic Engineering, University of Tokyo, Tokyo 113-8656, Japan
3Department of Mechanical Engineering, University of Tokyo, Tokyo 113-8656, Japan

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(Received 20 November 2007; accepted 20 December 2007; published online 16 January 2008)

We passively generate picosecond 6.5 nJ optical pulses directly from a single-stage oscillator using carbon nanotube mode locker. The mode locker immunized to the high optical power induced damage employs the evanescent field interaction of propagating light with the nanotubes. The mode locker endures the intracavity power of up to 27.7 dBm. For the enhanced interaction, vertically aligned nanotubes are synthesized and applied. The output pulses are monitored for 200 h to find that there is no significant degradation of average power and spectral width.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

carbon nanotubes, fibre lasers, high-speed optical techniques, laser mode locking, light propagation, optical saturable absorption

PACS

  • 42.55.Wd

    Fiber lasers

  • 42.60.By

    Design of specific laser systems

  • 42.65.Re

    Ultrafast processes; optical pulse generation and pulse compression

  • 42.60.Fc

    Modulation, tuning, and mode locking

  • 42.50.Gy

    Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2834898

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    Y. W. Song, K. Morimune, S. Y. Set, and S. Yamashita, Appl. Phys. Lett. 90, 021101 (2007)APPLAB000090000002021101000001.

    S. T. Huntington, K. A. Nugent, A. Roberts, P. Mulvaney, and K. M. Lo, J. Appl. Phys. 82, 510 (1997)JAPIAU000082000002000510000001.

    Y. Murakami, E. Einarsson, T. Edamura, and S. Maruyama, Phys. Rev. Lett. 94, 087402 (2005).


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