Abstract

An all-optical flip-flop with inverted output is presented. The flip-flop is realized based on the optical bistability of an injection-locked single-mode Fabry-Perot laser diode (FP-LD). The operation principle is explained and experimental results are presented in this paper. The flip-flop with separate optical set and reset inputs had an on-off contrast ratio of over 35 dB.

© 2007 Optical Society of America

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  1. M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
    [CrossRef]
  2. R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
    [CrossRef]
  3. M. Takenaka and Y. Nakano, "Realization of all-optical flip-flop using directionally coupled bistable laser diode," IEEE Photon. Technol. Lett. 16, 45-47 (2004).
    [CrossRef]
  4. Y. D. Jeong, J. S. Cho, H. J. Lee, H. Yoo, and Y. H. Won, "All-optical flip-flop based on the bistability of injection locked Fabry-Perot laser diode," Opt. Express 14, 4058-4063 (2006).
    [CrossRef] [PubMed]
  5. Y. D. Jeong, Y. H. Won, S. O. Choi, and J. H. Yoon, "Tunable single-mode Fabry-Perot laser diode using a built-in external cavity and its modulation characteristics," Opt. Lett. 31, 2586-2587 (2006).
    [CrossRef] [PubMed]
  6. J. Hörer and E. Patzak, "Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers," IEEE J. Quantum Electron. 33, 596-608 (1997).
    [CrossRef]
  7. H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
    [CrossRef]
  8. L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
    [CrossRef]

2006 (2)

2005 (2)

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

2004 (1)

M. Takenaka and Y. Nakano, "Realization of all-optical flip-flop using directionally coupled bistable laser diode," IEEE Photon. Technol. Lett. 16, 45-47 (2004).
[CrossRef]

2002 (1)

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

2001 (1)

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

1997 (1)

J. Hörer and E. Patzak, "Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers," IEEE J. Quantum Electron. 33, 596-608 (1997).
[CrossRef]

Chan, L. Y.

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Cho, J. S.

Choi, S.O.

Chung, W. H.

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Clavero, R.

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

de Waardt, H.

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

Demokan, M. S.

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Dorren, H. J. S.

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

Hill, M. T.

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

Hörer, J.

J. Hörer and E. Patzak, "Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers," IEEE J. Quantum Electron. 33, 596-608 (1997).
[CrossRef]

Jeong, Y. D.

Y. D. Jeong, J. S. Cho, H. J. Lee, H. Yoo, and Y. H. Won, "All-optical flip-flop based on the bistability of injection locked Fabry-Perot laser diode," Opt. Express 14, 4058-4063 (2006).
[CrossRef] [PubMed]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

Jeong, Y.D.

Khoe, G. D.

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

Lee, H. J.

Y. D. Jeong, J. S. Cho, H. J. Lee, H. Yoo, and Y. H. Won, "All-optical flip-flop based on the bistability of injection locked Fabry-Perot laser diode," Opt. Express 14, 4058-4063 (2006).
[CrossRef] [PubMed]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

Marti, J.

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

Martinez, J. M.

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

Nakano, Y.

M. Takenaka and Y. Nakano, "Realization of all-optical flip-flop using directionally coupled bistable laser diode," IEEE Photon. Technol. Lett. 16, 45-47 (2004).
[CrossRef]

Patzak, E.

J. Hörer and E. Patzak, "Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers," IEEE J. Quantum Electron. 33, 596-608 (1997).
[CrossRef]

Ramos, F.

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

Takenaka, M.

M. Takenaka and Y. Nakano, "Realization of all-optical flip-flop using directionally coupled bistable laser diode," IEEE Photon. Technol. Lett. 16, 45-47 (2004).
[CrossRef]

Tam, H. Y.

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Wai, P. K. A.

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Won, Y. H.

Y. D. Jeong, J. S. Cho, H. J. Lee, H. Yoo, and Y. H. Won, "All-optical flip-flop based on the bistability of injection locked Fabry-Perot laser diode," Opt. Express 14, 4058-4063 (2006).
[CrossRef] [PubMed]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

Won, Y.H.

Yoo, H.

Y. D. Jeong, J. S. Cho, H. J. Lee, H. Yoo, and Y. H. Won, "All-optical flip-flop based on the bistability of injection locked Fabry-Perot laser diode," Opt. Express 14, 4058-4063 (2006).
[CrossRef] [PubMed]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

Yoon, J.H.

IEEE J. Quantum Electron. (1)

J. Hörer and E. Patzak, "Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers," IEEE J. Quantum Electron. 33, 596-608 (1997).
[CrossRef]

IEEE Photon. Technol. Lett. (3)

R. Clavero, F. Ramos, J. M. Martinez, and J. Marti, "All-optical flip-flop based on a single SOA-MZI," IEEE Photon. Technol. Lett. 17, 843-845 (2005).
[CrossRef]

M. Takenaka and Y. Nakano, "Realization of all-optical flip-flop using directionally coupled bistable laser diode," IEEE Photon. Technol. Lett. 16, 45-47 (2004).
[CrossRef]

L. Y. Chan, W. H. Chung, P. K. A. Wai, H. Y. Tam, and M. S. Demokan, "Simultaneous repolarization of two 10-Gb/s polarization scrambled wavelength channels using a mutual-injection-locked laser diode," IEEE Photon. Technol. Lett. 14, 1740-1742 (2002).
[CrossRef]

Microwave Opt. Technol. Lett. (2)

M. T. Hill, H. de Waardt, G. D. Khoe, and H. J. S. Dorren, "Fast optical flip-flop by use of Mach-Zehnder interferometers," Microwave Opt. Technol. Lett. 31, 411-415 (2001).
[CrossRef]

H. Yoo, H. J. Lee, Y. D. Jeong, and Y. H. Won, "All-optical wavelength conversion at 10 Gbit/s using absorption modulation in a Fabry-Perot laser diode with a CW holding beam," Microwave Opt. Technol. Lett. 47, 508-511 (2005).
[CrossRef]

Opt. Express (1)

Opt. Lett. (1)

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Figures (6)

Fig. 1.
Fig. 1.

(a) Description of the observed dominant longitudinal mode λo with the injection beam λext; (b) Optical bistability observed in the dominant longitudinal mode λo of the injection-locked single mode FP-LD

Fig. 2.
Fig. 2.

(a) Schematic diagram of the proposed flip-flop, (b) optical bistability of the slave LD observed in the self-locked mode at λo, and (c) set and reset operations of the flip-flop

Fig. 3.
Fig. 3.

Experimental diagram: TL - Tunable laser; PC - Polarization controller; PPG - Pulse pattern generator; MOD - Mach-Zehnder modulator; OC - Optical circulator; OBF - Optical band-pass filter

Fig. 4.
Fig. 4.

Optical spectra of (a) the master LD and (b) slave LD

Fig. 5.
Fig. 5.

Output optical spectra of sequential states in the slave LD (a) with the sustaining beam at λd, which is always injected into the slave LD (step 1), (b) with set signal at λs (step 2), (c) after removal of set signal (step 3), (d) with reset signal at λr (step 4), (e) after removal of reset signal (step 5)

Fig. 6.
Fig. 6.

Oscilloscope traces of the flip-flop output: (a) are the initial traces; (b), (c), and (d) are traces when set signal is advanced sequentially by 2 bits

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