Chaotic communication in radio-over-fiber system based on optoelectronic feedback semiconductor laser

Meng-Chiao Tsai; Fan-Yi Lin

doi:10.1117/12.698265

13 February 2007 Chaotic communication in radio-over-fiber system based on optoelectronic feedback semiconductor laser

Meng-Chiao Tsai, Fan-Yi Lin

Proceedings Volume 6457, Free-Space Laser Communication Technologies XIX and Atmospheric Propagation of Electromagnetic Waves; 64570G (2007) https://doi.org/10.1117/12.698265
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

Chaotic communication in radio-over-fiber (ROF) system based on optoelectronic feedback (OEF) semiconductor laser is studied numerically. Performance of different message encoding schemes, including additive chaotic modulation (ACM) and on-off shift keying (OOSK), are compared. By taking into account the attenuation, nonlinearity, dispersion, and amplifier spontaneous emission noise in the fiber module and the path loss, additive white Gaussian noise, and multipath effect in the wireless channel, system performance including quality factor Q and bit-error-rate for different transmission lengths and message bit-rates are investigated. While both schemes are possible to achieve a BER < 10^-9 of the benchmark set by the conventional communication, we have demonstrated that the OOSK scheme is better suitable for long distance RoF transmission. On the contrary, while the ACM scheme is sensitive to the perturbation in the wireless channel, it shows moderate decoding results in the fiber-only scenario. In this paper, effects of parameters mismatch between the synchronized transmitter and receiver lasers and the security of this communication system are also addressed.

Citation Download Citation

Meng-Chiao Tsai and Fan-Yi Lin "Chaotic communication in radio-over-fiber system based on optoelectronic feedback semiconductor laser", Proc. SPIE 6457, Free-Space Laser Communication Technologies XIX and Atmospheric Propagation of Electromagnetic Waves, 64570G (13 February 2007); https://doi.org/10.1117/12.698265

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KEYWORDS

Telecommunications

Transmitters

Receivers

Radio over Fiber

Semiconductor lasers

Optoelectronics

Signal attenuation

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