Kejian Yang

Summary

Affiliation: Shandong University
Country: China

Publications

  1. doi request reprint Mode-locking of 2 μm Tm,Ho:YAG laser with GaInAs and GaSb-based SESAMs
    Kejian Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 21:4311-8. 2013
  2. doi request reprint Mode-locked Tm,Ho:YAP laser around 2.1 μm
    K J Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 21:1574-80. 2013
  3. doi request reprint Efficient continuous wave and passively mode-locked Tm-doped crystalline silicate laser
    K J Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 20:18630-5. 2012
  4. ncbi request reprint Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber
    Kejian Yang
    State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, PR China
    Opt Express 16:20176-85. 2008
  5. doi request reprint Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells
    Kejian Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 18:6537-44. 2010
  6. doi request reprint Dual-loss-modulated Q-switched and mode-locked YVO(4)/Nd:YVO(4)/KTP green laser with EO and Cr(4+):YAG saturable absorber
    Tao Li
    College of Information Science and Engineering, Shandong University, Jinan, Shandong 250100, China
    Opt Express 18:10315-22. 2010
  7. ncbi request reprint Pulse compression in an electro-optic Q-switched diode-pumped YVO4/Nd:YVO4 laser with a Cr4+:YAG saturable absorber
    Tao Li
    School of Information Science and Engineering, Shandong University, Jinan, Shandong 250100, China
    Appl Opt 48:2243-8. 2009
  8. doi request reprint Numerical simulation of low repetition rate subnanosecond laser based on dual-loss-modulation
    Jia Zhao
    School of Information Science and Engineering, Shandong University, Jinan, China
    Appl Opt 52:2773-9. 2013

Detail Information

Publications8

  1. doi request reprint Mode-locking of 2 μm Tm,Ho:YAG laser with GaInAs and GaSb-based SESAMs
    Kejian Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 21:4311-8. 2013
    ..3 ps at 2091 nm with a maximum output power of 63 mW. We attribute the shorter pulse duration obtained with the GaSb SESAMs to the ultrafast recovery time of the absorption and higher nonlinearity compared to standard GaInAs SESAMs...
  2. doi request reprint Mode-locked Tm,Ho:YAP laser around 2.1 μm
    K J Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 21:1574-80. 2013
    ..4 ps were obtained at 2064.5 nm with a spectral FWHM of 0.5 nm at output powers of 132 mW and a repetition rate around 107 MHz. A maximum output power of 238 mW was obtained at 2130 nm with a pulse duration of 66 ps...
  3. doi request reprint Efficient continuous wave and passively mode-locked Tm-doped crystalline silicate laser
    K J Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 20:18630-5. 2012
    ..2 ps with an average output power of 100 mW are obtained with silicon prisms where used to manage the intracavity dispersion. The shortest pulse duration of about 19.6 ps is obtained with an average output power of 64.5 mW at 1944.3 nm...
  4. ncbi request reprint Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber
    Kejian Yang
    State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, PR China
    Opt Express 16:20176-85. 2008
    ..With the space-dependent rate equations solved numerically, the theoretical calculations reproduce the laser characteristics well...
  5. doi request reprint Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells
    Kejian Yang
    Department of Physics and Center of Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
    Opt Express 18:6537-44. 2010
    ..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...
  6. doi request reprint Dual-loss-modulated Q-switched and mode-locked YVO(4)/Nd:YVO(4)/KTP green laser with EO and Cr(4+):YAG saturable absorber
    Tao Li
    College of Information Science and Engineering, Shandong University, Jinan, Shandong 250100, China
    Opt Express 18:10315-22. 2010
    ..1 ns, 360 microJ and 382 kW, respectively, corresponding to the pulse width compression 62%, the pulse energy improvement 10 times and the QML peak power increase 40 times when compared with that of the singly passively QML green laser...
  7. ncbi request reprint Pulse compression in an electro-optic Q-switched diode-pumped YVO4/Nd:YVO4 laser with a Cr4+:YAG saturable absorber
    Tao Li
    School of Information Science and Engineering, Shandong University, Jinan, Shandong 250100, China
    Appl Opt 48:2243-8. 2009
    ..The experimental and theoretical results show that the doubly Q-switched laser has the advantages of a shorter pulse width and higher pulse peak power in contrast with a singly Q-switched laser...
  8. doi request reprint Numerical simulation of low repetition rate subnanosecond laser based on dual-loss-modulation
    Jia Zhao
    School of Information Science and Engineering, Shandong University, Jinan, China
    Appl Opt 52:2773-9. 2013
    ..This means that single mode-locking pulses with low repetition rate, subnanosecond duration, high peak power, and high stability are generated. The simulated results are consistent with the experimental values...