Optical Heterodyne Generation of High-Dimensional and Broadband White Chaos
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In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 21, No. 6, 28.04.2015, p. Article Number: 1800710.
Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Optical Heterodyne Generation of High-Dimensional and Broadband White Chaos
AU - Wang, A.B.
AU - Wang, B.J.
AU - Li, L.
AU - Wang, Y.C.
AU - Shore, K.A.
PY - 2015/4/28
Y1 - 2015/4/28
N2 - White chaos with a colorless spectral bandwidth of 14 GHz contained within a range of 3 dB is experimentally generated by optical heterodyning of two external-cavity laser diodes. Experimental and numerical results show that the signatures of laser relaxation oscillation and external-cavity resonance (i.e., time delay signature), which are intrinsic to the laser dynamics are totally eliminated in the heterodyne-generated chaos. Correlation dimensional analysis shows that the generated chaos has a high dimensionality, being greater than 10. In addition, the effects on the heterodyne spectral bandwidth of variations in the optical feedback strength and frequency detuning of the lasers are studied experimentally and theoretically. Opportunities are identified for the deployment of white chaos.
AB - White chaos with a colorless spectral bandwidth of 14 GHz contained within a range of 3 dB is experimentally generated by optical heterodyning of two external-cavity laser diodes. Experimental and numerical results show that the signatures of laser relaxation oscillation and external-cavity resonance (i.e., time delay signature), which are intrinsic to the laser dynamics are totally eliminated in the heterodyne-generated chaos. Correlation dimensional analysis shows that the generated chaos has a high dimensionality, being greater than 10. In addition, the effects on the heterodyne spectral bandwidth of variations in the optical feedback strength and frequency detuning of the lasers are studied experimentally and theoretically. Opportunities are identified for the deployment of white chaos.
U2 - 10.1109/JSTQE.2015.2427253
DO - 10.1109/JSTQE.2015.2427253
M3 - Article
VL - 21
SP - Article Number: 1800710
JO - IEEE Journal of Selected Topics in Quantum Electronics
JF - IEEE Journal of Selected Topics in Quantum Electronics
SN - 1077-260X
IS - 6
ER -