The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Static and Dynamic Behavior of Tunable DFB Laser based on Modal Transmission-Line Theory

전송선로 이론에 기초한 파장 변환 DFB 레이저의 정적 및 동적 작용

  • 호광춘 (한성대학교 정보통신공학과)
  • Received : 2013.10.10
  • Accepted : 2014.04.11
  • Published : 2014.04.28
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Abstract

A longitudinal modal transmission-line theory(L-MTLT) to analyze the static and dynamic behavior of two-section distributed feedback (DFB) lasers is used. The characteristic impedance and equivalent propagation constant of DFB structure with active layer are derived from L-MTLT. A two-section DFB laser is analogous to a transmission-line network, in which each section is described by transmission-line block corresponding to the equivalent factors. The longitudinal resonant condition of DFB laser based on equivalent transmission-line network is used to reformulate the rate equations so that static and dynamic behavior of two-section DFB lasers with active layer is demonstrated and analyzed accurately.

2단으로 구성된 DFB 레이저의 정적 및 동적 작용을 분석하기 위하여 종방향 모드 전송선로 이론 (L-MTLT)을 이용하였다. 활성영역을 갖는 DFB 구조의 특성 임피던스와 등가 전파상수를 L-MTLT에 기초하여 유도하였다. 2단으로 구성된 DFB 레이저가 전송선로 망으로 유사화 되었으며, 각 단은 그에 대응하는 등가 요소들로 등가화된 전송선로 블록으로 나타내었다. 등가 전송선로 망에 기초한 DFB 레이저의 종방향 공진 조건 (resonance condition)이 레이트 방정식 (rate equation)을 재구성하기 위하여 사용되었으며, 이를 이용하여 활성여역을 갖는 2단 DFB 레이저의 정적 및 동적 작용을 자세하게 분석하였다.

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References

  1. A. J. Lowery, "Modeling the static and dynamic behavior of quarter-waveshifted DFB lasers," IEEE J. Quantum Electron., vol. 28, pp. 1874-1882, 1991.
  2. J. Hamasaki and T. Iwashima, "A single-wavelength DFB structure with a synchronized gain profile," IEEE J. Quantum Electron., vol. 24, pp. 1864-1872, 1988. https://doi.org/10.1109/3.7128
  3. G. Bojork and O. Nilsson, "A tool to calculate the linewidth of complicated semiconductor lasers," IEEE J. Quantum Electron., vol. QE-23, pp. 1303-1313, 1987.
  4. X. Pan, H. Olesen and B. Tromborg, "A theoretical model of multielectrode DBR lasers," IEEE J. Quantum Electron., vol. 24, pp. 2423-2432, 1988. https://doi.org/10.1109/3.14372
  5. G. Griffel, R. J. Lang and A. Yariv, "Two-section gain-levered tunable distributed feedback laser with active tuning section," IEEE J. Quantum Electron., vol. 30, pp. 15-18, 1994. https://doi.org/10.1109/3.272055
  6. M. Kuznetsov, "High-speed frequency modulation and switching of tunable distributed feedback lasers with two active segments," J. Quantum Electron., vol. 27, pp. 668-677, 1991. https://doi.org/10.1109/3.81375
  7. A. J. Lowery, "Transmission-line modeling of semiconductor lasers: The transmission-line laser model," Int. J. Numer. Model, vol. 2, pp. 249-265, 1989. https://doi.org/10.1002/jnm.1660020408
  8. K. C. Ho, and K. Ho, "Longitudinal Modal Transmission-Line Theory (L-MTLT) of Multilayered Periodic Waveguides," IEICE Trans. Electronics, vol. E88-C, No. 2, pp. 270-274, 2005. https://doi.org/10.1093/ietele/E88-C.2.270
  9. K. J. Vahala, M. A. Newkirk, and T. C. Chen, "The optical gain lever: A novel gain mechanism in the direct modulation of quantum well semiconductor lasers," Appl. Phys. Lett., vol. 54, pp. 2506-2508, 1989. https://doi.org/10.1063/1.101076
  10. J. O. Park and W. K. Jang, "Optical metrology for resonant surface acoustic wave in RF device," J. of the Korea Academia-Industrial cooperation Society, Vol. 11, pp. 3435-3440, 2010. https://doi.org/10.5762/KAIS.2010.11.9.3435