in Lorentzian or semiconductor laser mode.</p>
<p>Lorentzian examples: </p><div class="fragment"><div class="line">Txparam = <span class="keyword">struct</span>(<span class="stringliteral">&#39;Power&#39;</span>, <a class="code" href="classpwr.html">pwr</a>(150, {5, <span class="stringliteral">&#39;dBm&#39;</span>}), <span class="stringliteral">&#39;linewidth&#39;</span>, 1e5, <span class="stringliteral">&#39;Fc&#39;</span>, <span class="keyword">const</span>.c/1550e-9, <span class="charliteral">&#39;L&#39;