Liquid-crystal WDM power equalizer

Jung-Chih Chiao; Tizhi Huang

doi:10.1117/12.469656

7 June 2002 Liquid-crystal WDM power equalizer

Jung-Chih Chiao, Tizhi Huang

Proceedings Volume 4653, WDM and Photonic Switching Devices for Network Applications III; (2002) https://doi.org/10.1117/12.469656
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

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 with a flatness of +/- 0.3dB for several EDFA 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 degree(s)7ps/nm.

Citation Download Citation

Jung-Chih Chiao and Tizhi Huang "Liquid-crystal WDM power equalizer", Proc. SPIE 4653, WDM and Photonic Switching Devices for Network Applications III, (7 June 2002); https://doi.org/10.1117/12.469656

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