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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 12 — Dec. 1, 2006
  • pp: 5103–5110

Equalization of Gaussian-Like Spectra via Optical Lattice Filters With Symmetric-Feedback Structure

Qi Jie Wang, Zhao Gang Dong, Ying Zhang, and Yeng Chai Soh

Journal of Lightwave Technology, Vol. 24, Issue 12, pp. 5103-5110 (2006)


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Abstract

This paper presents a scheme for equalizing Gaussian-like spectra by using all-fiber lattice filters with a symmetric feedback structure. With the proposed design strategy and feedback structure, the output power of Gaussian-like spectra is maximized, and the designed equalization filter can flatten the Gaussian-like spectra in the maximally flat sense while satisfying specified spectrum performance. The design scheme is able to efficiently and systematically determine the optimal coefficients of the lattice filter through a recursion algorithm. As an illustrative example, the proposed scheme is applied to the design of an all-fiber equalization filter to flatten the output spectrum of a superluminescence light-emitting diode. Simulation and experimental results are carried out to verify the theoretical analysis.

© 2006 IEEE

Citation
Qi Jie Wang, Zhao Gang Dong, Ying Zhang, and Yeng Chai Soh, "Equalization of Gaussian-Like Spectra via Optical Lattice Filters With Symmetric-Feedback Structure," J. Lightwave Technol. 24, 5103-5110 (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-12-5103

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