Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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All-optical Flip-flop based on Optical Beating and Bistability in an Injection-locked Fabry-Perot Laser Diode

  • Kim, Junsu (School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology) ;
  • Lee, Hyuek Jae (Department of Information & Communication Engineering Kyungnam University) ;
  • Park, Chang-Soo (School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology)
  • Received : 2016.11.16
  • Accepted : 2016.11.29
  • Published : 2016.12.25
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Abstract

We report a new all-optical flip-flop (AOFF) with a quite simple structure, using optical beating in an injection-locked Fabry-Perot laser diode (FP-LD) with optical bistability. While conventional AOFF methods using an injection-locked FP-LD require additional devices such as secondary FP-LDs or polarization controllers for reset operation, the proposed method can be implemented using only a single commercially available FP-LD with set and reset signals. The optical beating induces intensity fluctuations inside the FP-LD, and releases the locking state to the reset state. Even though we demonstrated the AOFF at 100 Mbit/s, we expect that its operation rate could extend to 10 Gbit/s, according to the limit of the FP-LD's frequency response.

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References

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