Suppression of Time Delay Signature in Chaotic Semiconductor Lasers with Filtered Optical Feedback

<table>The variation of amplitude and time location in ACF with the frequency detuning <svg height="11.6375" id="M91" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 20.0625 11.6375" width="20.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.362)"><path d="M600 0h-557v24l268 633l28 8l261 -641v-24zM497 50l-194 489l-196 -489h390z" id="x394"></path></g><g transform="matrix(.017,-0,0,-.017,10.959,11.362)"><path d="M509 373q0 -52 -42.5 -118.5t-124.5 -159.5l-94 -107h-27q-22 209 -78 342q-21 48 -41 48q-18 0 -63 -62l-22 21q77 111 125 111q30 0 52 -21.5t38 -75.5q37 -130 52 -285q48 62 74.5 99.5t53.5 87t27 76.5q0 43 -17 60q-5 5 -5 15q0 17 12.5 30.5t28.5 13.5
q21 0 36 -22.5t15 -52.5z" id="x1D708"></path></g>
</svg> are shown in (a) and (b), respectively.</table>

Mathematical Problems in Engineering

fig6

Figure 6

Figure 6: Suppression of Time Delay Signature in Chaotic Semiconductor Lasers with Filtered Optical Feedback 