Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Widely Tunable Coupled-ring Reflector Laser Diode Consisting of Square Ring Resonators

  • Kim, Su-Hyun (Department of Electronics and Communication Engineering, Kwangwoon University) ;
  • Byun, Young-Tae (Intelligent System Research Division, Korea Institute of Science and Technology) ;
  • Kim, Doo-Gun (Photonic Device Team, Korea Photonics Technology Institute) ;
  • Dagli, Nadir (Electrical and Computer Engineering Department, University of California) ;
  • Chung, Young-Chul (Department of Electronics and Communication Engineering, Kwangwoon University)
  • Received : 2009.11.09
  • Accepted : 2010.01.11
  • Published : 2010.03.25
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Abstract

We design and fabricate a widely tunable laser diode made of InGaAsP-InP. The diode is monolithically integrated with a wavelength-selective coupled-ring reflector and semiconductor amplifiers. For realization of a compact size device, deeply etched multi-mode interference couplers and square ring resonators composed of total-internal-reflection mirrors are adopted and fabricated using a self-aligned process. It is demonstrated that the laser diode exhibits single mode operation and 16 nm tuning range with side-mode-suppression-ratio exceeding 20 dB.

Keywords

References

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