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WDM and Photonic Switching Devices for Network Applications III

DOI: 10.1117/12.469656

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Liquid-crystal WDM power equalizer

Journal article published in 2 by Jung-Chih Chiao, Tizhi Huang
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

In this work, we demonstrated a liquid-crystal WDM (wavelength-division-multiplexing) power equalizer. It provides functionality of optical power equalization and tilting using liquid-crystal modulators and harmonic synthesis approach. The demonstrations show fast gain equalization within a flatness of ±0.3dB for several optical amplifier profiles in C or L bands. The equalization for WDM discrete-channel cases also reached flatness within ±0.3dB. The measured polarization dependent losses are less than 0.15dB and 0.1dB for flattened and through-state profiles, respectively. The measured polarization mode dispersions are less than 0.15ps under the through, flattened and 10-dB attenuation states. The measured chromatic dispersion is less than ±7ps/nm.