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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 15 — Aug. 1, 2008
  • pp: 2619–2628

Detailed Theoretical and Experimental Study on Single Passband, Photonic Microwave FIR Filter Using Digital Micromirror Device and Continuous-Wave Supercontinuum

Ju Han Lee and You Min Chang

Journal of Lightwave Technology, Vol. 26, Issue 15, pp. 2619-2628 (2008)


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Abstract

We perform a detailed theoretical and experimental study on the impact of the finesse (F) of a multiple wavelength channel optical filter on output microwave filter transfer function in a spectrum slicing-based photonic microwave finite-impulse response (FIR) filter. For this paper, we use the combination of a digital micromirror device-based spatial light modulator and a continuous-wave, depolarized supercontinuum, since it allows us to perform flexible reconfiguration of output filter transfer function. It is found that the superimposed broadband, low-pass RF transfer function induced by the wide linewidth single-wavelength channel effectively suppresses higher order, periodic resonance peaks as the F is reduced. The optical filters with F = 2 are found to provide the most effective suppression of higher order peaks, whatever the single channel waveform is: sinusoidal or Gaussian.

© 2008 IEEE

Citation
Ju Han Lee and You Min Chang, "Detailed Theoretical and Experimental Study on Single Passband, Photonic Microwave FIR Filter Using Digital Micromirror Device and Continuous-Wave Supercontinuum," J. Lightwave Technol. 26, 2619-2628 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-15-2619


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