Article

Applied Physics B

, Volume 74, Supplement 1, pp s177-s179

First online:

Generation of sub-40 fs pulses from a mode-locked dual-gain-media Nd:glass laser

  • S. HanAffiliated withDepartment of Computer Science and Electrical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
  • , W. LuAffiliated withDepartment of Computer Science and Electrical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
  • , B.Y. ShehAffiliated withDepartment of Computer Science and Electrical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
  • , L. YanAffiliated withDepartment of Computer Science and Electrical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA
  • , M. WrabackAffiliated withArmy Research Laboratory, Sensor and Electron Devices Directorate, 2800 Powder Mill Rd, Adelphi, MD 20783, USA
  • , H. ShenAffiliated withArmy Research Laboratory, Sensor and Electron Devices Directorate, 2800 Powder Mill Rd, Adelphi, MD 20783, USA
  • , J. PamulapatiAffiliated withArmy Research Laboratory, Sensor and Electron Devices Directorate, 2800 Powder Mill Rd, Adelphi, MD 20783, USA
  • , P.G. NewmanAffiliated withArmy Research Laboratory, Sensor and Electron Devices Directorate, 2800 Powder Mill Rd, Adelphi, MD 20783, USA

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Abstract.

We propose and demonstrate mode locking of a novel dual-gain-media Nd:fluorophosphate and Nd:silicate glass laser. It overcomes the linewidth limitation of a single-medium Nd:glass laser. A pulse bandwidth of 41 nm has been obtained, which is nearly twice as broad as that from a single-medium Nd:glass laser. Wing-free pulses of 38 fs have been generated, which are the shortest from a Nd:glass laser oscillator.

PACS: 42.55.Rz; 42.60.Fc; 42.65.Tg