Abstract

Numerical investigations of chaos synchronization and communication in three semiconductor lasers with cascade configuration are presented. The open-loop form composed of an external-cavity master laser and two stand-alone (intermediate and slave) lasers was chosen for the system. Through computer simulation, three possible synchronization types (complete, generalized, and hybrid synchronizations) are found. For the complete type, all lasers show the same chaotic output. For the generalized type, however, the injected lasers emit the amplified signals compared with the injecting signals, and the amplified signals show the anticipating behaviors with the propagation time in advance. Due to the synchronization relay, the synchronization degree is seen to be somewhat degraded. With proper selection of the feedback and injection parameters, the first two lasers can achieve complete synchronization, and the last two lasers can obtain generalized synchronization, i.e., the so-called hybrid synchronization, where the system shows the combined characteristics of complete and generalized synchronizations. The communication performances are also examined briefly. It is found that the original message can be extracted correctly in both the intermediate and the slave parts. Due to the synchronization relay, the decoding performances are degraded in the slave part. In addition, it shows that there is an optimized coupling level between the intermediate and the slave lasers to better demodulate the message.

© 2006 IEEE

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Appl. Opt.

Appl. Phys. Lett.

Y. Liu, Y. Takiguchi, P. Davis, T. Aida, S. Saito, "Experimental observation of complete chaos synchronization in semiconductor lasers," Appl. Phys. Lett. 80, 4036-4038 (2002).

IEEE J. Quantum Electron.

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A. Murakami, "Phase locking and chaos synchronization in injection-locked semiconductor lasers," IEEE J. Quantum Electron. 39, 438-447 (2003).

IEEE J. Quantum. Electron.

J. Ohtsubo, "Chaos synchronization and chaotic masking in semiconductor lasers with optical feedback," IEEE J. Quantum. Electron. 38, 1141-1154 (2002).

IEEE Photon. Technol. Lett.

M. W. Lee, Y. H. Hong, K. A. Shore, "Experimental demonstration of VCSEL-based chaotic optical communications," IEEE Photon. Technol. Lett. 16, 2392-2394 (2004).

J. Opt. Soc. Amer. B, Opt. Phys.

M. S. Torre, C. Masoller, K. A. Shore, "Synchronization of unidirectionally coupled multi-transverse-mode vertical-cavity surface-emitting lasers," J. Opt. Soc. Amer. B, Opt. Phys. 21, 1772-1780 (2004).

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M. W. Lee, J. Paul, C. Masoller, K. A. Shore, "Observation of cascade complete chaos synchronisation with zero time lag in laser diodes," J. Opt. Soc. Amer. B, Opt. Phys. 23, 846-851 (2006).

J. Paul, S. Sivaprakasam, K. A. Shore, "Dual-channel chaotic optical communications using external-cavity semiconductor lasers," J. Opt. Soc. Amer. B, Opt. Phys. 21, 514-521 (2004).

Nature

A. Argyris, D. Syvridis, L. Larger, V. Annovzzi-Lodi, P. Colet, I. Fischer, J. García-Ojalvo, C. R. Mirasso, L. Pesquera, K. A. Shore, "Chaos-based communications at high bit rate using commercial fibre-optic links," Nature 437, 343-346 (2005).

Opt. Commun.

S. F. Yu, P. Shum, N. Q. Ngo, "Performance of optical communication systems using multimode vertical cavity surface emitting lasers," Opt. Commun. 200, 143-152 (2001).

Opt. Express

Opt. Lett.

Phys. Rev. A, Gen. Phys.

J. Mulet, C. Masoller, C. R. Mirasso, "Modeling bidirectionally coupled single-mode semiconductor lasers," Phys. Rev. A, Gen. Phys. 65, 063815-1-063815-12 (2002).

I. Fischer, Y. Liu, P. Davis, "Synchronization of chaotic semiconductor laser dynamics on sub-ns timescales and its potential for chaos communication," Phys. Rev. A, Gen. Phys. 62, 011801-1-011801-4 (2000).

A. Murakami, K. A. Shore, "Chaos-pass filtering in injection-locked semiconductor lasers," Phys. Rev. A, Gen. Phys. 72, 053810-1-053810-8 (2005).

A. Murakami, J. Ohtsubo, "Synchronization of feedback-induced chaos in semiconductor lasers by optical injection," Phys. Rev. A, Gen. Phys. 65, 033826-1-033826-7 (2002).

Y. Liu, H. F. Chen, J. M. Liu, P. Davis, T. Aida, "Synchronization of optical-feedback-induced chaos in semiconductor lasers by optical injection," Phys. Rev. A, Gen. Phys. 63, 031802(R)-1-031802(R)-4 (2001).

Phys. Rev. E, Stat. Phys. Plasmas Fluids Relat. Interdiscip. Top.

V. Ahlers, U. Parlitz, W. Lauterborn, "Hyperchaotic dynamics and synchronization of external-cavity semiconductor lasers," Phys. Rev. E, Stat. Phys. Plasmas Fluids Relat. Interdiscip. Top. 58, 7208-7213 (1998).

A. Murakami, "Synchronization of chaos due to linear response in optically driven semiconductor lasers," Phys. Rev. E, Stat. Phys. Plasmas Fluids Relat. Interdiscip. Top. 65, 056617-1-056617-8 (2002).

Phys. Rev. Lett.

G. D. Van Wiggeren, R. Roy, "Optical communication with chaotic waveforms," Phys. Rev. Lett. 81, 3547-3550 (1998).

L. M. Pecora, T. L. Caroll, "Synchronization in chaotic systems," Phys. Rev. Lett. 64, 821-824 (1990).

Proc. Inst. Electr. Eng.—Optoelectron.

X. F. Li, W. Pan, B. Luo, D. Ma, G. Deng, "Numerical study of static and dynamic behaviors of VCSELs with polarization-selective optical feedback," Proc. Inst. Electr. Eng.—Optoelectron. 153, 67-74 (2006).

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