Abstract

The modulation waveform, power, and frequency detuning dynamics of a semiconductor optical amplifier fiber-ring laser (SOAFL) harmonic and rational-harmonic mode-locked by using backward injection of a large-signal sinusoidal-wave modulated Fabry-Pérot laser diode (FPLD) are studied. The shortest pulsewidth of 53.3 ps at 1 GHz with spectral linewidth of 0.09 nm at modulation power of 17 dBm can be obtained, which corresponds to a time-bandwidth product of 2.8. The threshold modulation power and the maximum frequency detuning range for harmonic mode-locking of the SOAFL are 11.5 dBm and 180 kHz, respectively. The mode-locked SOAFL gradually recovers back to sinusoidal-wave modulation mode at the detuning frequency beyond ± 400 kHz. The pulse broadening slopes for the positive-and negative-frequency detuning regions of 0.48 and 0.375 ps/kHz are determined, respectively. By enlarging the modulating power and detuning the modulation frequency of FPLD, the SOAFL can be rational-harmonic mode-locked up to 12 GHz with 33-ps pulsewidth.

© 2005 IEEE

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  1. D. Pudo, L. R. Chen, D. Giannone, L. Zhang and I. Bennion, "Actively mode-locked tunable dual-wavelength erbium-doped fiber laser", IEEE Photon. Technol. Lett., vol. 14, no. 2, pp. 143-145, Feb. 2002.
  2. M. J. Guy, J. R. Taylor and K. Wakita, "10 GHz 1.9 ps actively modelocked fiber integrated ring laser at 1.3 µ m", Electron. Lett., vol. 33, pp. 1630-1632, 1997.
  3. S. Li and K. T. Chan, "Actively mode-locked erbium fiber ring laser using a Fabry-P´erot semiconductor modulator as mode locker and tunable filter", Appl. Phys. Lett., vol. 74, pp. 2737-2739, 1999.
  4. S. Yang, Z. Li, X. Dong, S. Yuan, G. Kai and Q. Zhao, "Generation of wavelength-switched optical pulse from a fiber ring laser with an F-P semiconductor modulator and a HiBi fiber loop mirror", IEEE Photon. Technol. Lett., vol. 14, no. 6, pp. 774-776, Jun. 2002.
  5. Z. Ahmed and N. Onodera, "High repetition rate optical pulse generation by frequency multiplication in actively modelocked fib", Electron. Lett., vol. 32, pp. 455-457, 1996.
  6. T. Pfeiffer and G. Veith, "40 GHz pulse generation using a widely tunable all-polarization preserving erbium fiber ring laser", Electron. Lett., vol. 29, pp. 1849-1850, 1993.
  7. K. K. Gupta and D. Novak, "Millimeter-wave repetition-rate optical pulse train generation in harmonically modelocked fiber ring laser", Electron. Lett., vol. 33, pp. 1330-1331, 1997.
  8. K. S. Abedin, N. Onodera and M. Hyodo, "Repetition-rate multiplication in actively mode-locked fiber lasers by higher-order FM mode locking using a high-finesse Fabry-Pérot filter", Appl. Phys. Lett., vol. 73, pp. 1311-1313, 1998.
  9. K. Vlachos, K. Zoiros, T. Houbavlis and H. Avramopoulos, "10 x 30 GHz pulse train generation from semiconductor amplifier fiber ring laser", IEEE Photon. Technol. Lett., vol. 12, no. 1, pp. 25 -27, Jan. 2000.
  10. J. He and K. T. Chan, "All-optical actively modelocked fiber ring laser based on cross-gain modulation in SOA", Electron. Lett., vol. 38, pp. 1504-1505, 2002.
  11. N. V. Pedersen, K. B. Jakobsen and M. Vaa, "Mode-locked 1.5 µ m semiconductor optical amplifier fiber ring", J. Lightw. Technol., vol. 14, no. 5, pp. 833-838, May 1996.

Other (11)

D. Pudo, L. R. Chen, D. Giannone, L. Zhang and I. Bennion, "Actively mode-locked tunable dual-wavelength erbium-doped fiber laser", IEEE Photon. Technol. Lett., vol. 14, no. 2, pp. 143-145, Feb. 2002.

M. J. Guy, J. R. Taylor and K. Wakita, "10 GHz 1.9 ps actively modelocked fiber integrated ring laser at 1.3 µ m", Electron. Lett., vol. 33, pp. 1630-1632, 1997.

S. Li and K. T. Chan, "Actively mode-locked erbium fiber ring laser using a Fabry-P´erot semiconductor modulator as mode locker and tunable filter", Appl. Phys. Lett., vol. 74, pp. 2737-2739, 1999.

S. Yang, Z. Li, X. Dong, S. Yuan, G. Kai and Q. Zhao, "Generation of wavelength-switched optical pulse from a fiber ring laser with an F-P semiconductor modulator and a HiBi fiber loop mirror", IEEE Photon. Technol. Lett., vol. 14, no. 6, pp. 774-776, Jun. 2002.

Z. Ahmed and N. Onodera, "High repetition rate optical pulse generation by frequency multiplication in actively modelocked fib", Electron. Lett., vol. 32, pp. 455-457, 1996.

T. Pfeiffer and G. Veith, "40 GHz pulse generation using a widely tunable all-polarization preserving erbium fiber ring laser", Electron. Lett., vol. 29, pp. 1849-1850, 1993.

K. K. Gupta and D. Novak, "Millimeter-wave repetition-rate optical pulse train generation in harmonically modelocked fiber ring laser", Electron. Lett., vol. 33, pp. 1330-1331, 1997.

K. S. Abedin, N. Onodera and M. Hyodo, "Repetition-rate multiplication in actively mode-locked fiber lasers by higher-order FM mode locking using a high-finesse Fabry-Pérot filter", Appl. Phys. Lett., vol. 73, pp. 1311-1313, 1998.

K. Vlachos, K. Zoiros, T. Houbavlis and H. Avramopoulos, "10 x 30 GHz pulse train generation from semiconductor amplifier fiber ring laser", IEEE Photon. Technol. Lett., vol. 12, no. 1, pp. 25 -27, Jan. 2000.

J. He and K. T. Chan, "All-optical actively modelocked fiber ring laser based on cross-gain modulation in SOA", Electron. Lett., vol. 38, pp. 1504-1505, 2002.

N. V. Pedersen, K. B. Jakobsen and M. Vaa, "Mode-locked 1.5 µ m semiconductor optical amplifier fiber ring", J. Lightw. Technol., vol. 14, no. 5, pp. 833-838, May 1996.

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