Abstract
A compact high-power yellow-green continuous wave (CW) laser source based on second-harmonic generation (SHG) in a 5% MgO doped periodically poled congruent lithium niobate (PPLN) waveguide crystal pumped by a quantum-dot fiber Bragg grating (QD-FBG) laser diode is demonstrated. A frequency-doubled power of 90.11 mW at the wavelength of 560.68 nm with a conversion efficiency of 52.4% is reported. To the best of our knowledge, this represents the highest output power and conversion efficiency achieved to date in this spectral region from a diode-pumped PPLN waveguide crystal, which could prove extremely valuable for the deployment of such a source in a wide range of biomedical applications.
| Original language | English |
|---|---|
| Pages (from-to) | 6672-6674 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 39 |
| Issue number | 23 |
| DOIs | |
| Publication status | Published - 1 Dec 2014 |
Bibliographical note
EU FP7 programme through the FAST-DOT project (contract no. 224338) and RFBR grant no. 14-02-01160Fingerprint
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