Abstract
A diode-pumped Nd:KGd(WO4)2 laser mode locked by a saturable Bragg reflector (SBR) is passively stabilized to suppress Q -switched mode locking and to extend the parameter range of continuous-wave mode locking. An indium phosphide plate exhibiting two-photon absorption and free-carrier absorption is used for passive stabilization. The intracavity pulse energy for the onset of stable continuous-wave mode locking is reduced by a factor of 4 compared with the laser without stabilization. By increasing the modulation depth of the SBR, pulse shortening by 30% is achieved and bandwidth-limited 6.2-ps pulses are measured.
| Original language | English |
|---|---|
| Pages (from-to) | 1387-1389 |
| Number of pages | 2 |
| Journal | Optics Letters |
| Volume | 29 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 2004 |
Keywords
- lasers
- laser optics
- solid-state
- mode-locked lasers
- quantum electronics
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