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      Passively mode-locked lasers with 17.2-GHz fundamental-mode repetition rate pulsed by carbon nanotubes.

      1 , , ,
      Optics letters

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          Abstract

          17.2 GHz, the highest fundamental-mode repetition rate to our knowledge, of a carbon nanotube-based passively mode-locked laser is realized at 1570 nm by employing purified single-walled carbon nanotubes as saturable absorbers. The ultrashort linear laser cavity configured with a approximately 9 mm length is designed and demonstrated with our extremely miniaturized nanotube mode locker and a mirror-coated semiconductor optical amplifier as gain medium. The demonstrated pulsed laser has the inferred temporal pulse width of 14 ps and a 3 dB spectral bandwidth of 0.73 nm.

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          Author and article information

          Journal
          Opt Lett
          Optics letters
          0146-9592
          0146-9592
          Feb 15 2007
          : 32
          : 4
          Affiliations
          [1 ] Department of Electronic Engineering, University of Tokyo, Tokyo, Japan. ywsong@sagnac.t.u-tokyo.ac.jp
          Article
          125549
          17356676
          6762f47b-caf3-4bc6-9719-49226cbb579a
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