High-Power Hybrid Mode-Locked External Cavity Semiconductor Laser Using Tapered Amplifier with Large Tunability

<table>Schematic of hybrid mode-locked external ring
cavity semiconductor laser. For mirror <svg height="10.55" id="M1" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.325 10.55" width="11.325" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.55)">
<g transform="translate(72,-63.56)">
<text transform="matrix(1,0,0,-1,-71.95,63.61)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐴</tspan>
</text>
</g>
</g>
</svg> a normal mirror was used in cw configuration
and a multiple quantum well mirror for mode-locking. The radius of curvature of
both focusing mirrors is <svg height="10.9125" id="M2" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 15.75 10.9125" width="15.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">0</tspan>
</text>
</g>
</g>
</svg> cm.</table>

International Journal of Optics

fig1

Figure 1

Figure 1: High-Power Hybrid Mode-Locked External Cavity Semiconductor Laser Using Tapered Amplifier with Large Tunability 