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Arrayed waveguide dynamic gain equalization filter with reduced insertion loss and increased dynamic range

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9 Author(s)
Doerr, C.R. ; Lucent Technol. Bell Labs., Holmdel, NJ, USA ; Chang, K.W. ; Stulz, L.W. ; Pafchek, R.
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We present an arrayed waveguide dynamic gain equalization filter with less than 4.5-dB insertion loss and greater than 14-dB dynamic range over the C-band resulting from three improvements: a circulator and polarization splitter combined into one, used to make the device polarization insensitive; segmentation in the star coupler transition regions; and an exponential control wavelength distribution.

Published in:

Photonics Technology Letters, IEEE  (Volume:13 ,  Issue: 4 )