Arrayed waveguide dynamic gain equalization filter with reducedinsertion loss and increased dynamic range |
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Authors: | Doerr C.R. Chang K.W. Stulz L.W. Pafchek R. Guo Q. Buhl L. Gomez L. Cappuzzo M. Bogert G. |
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Affiliation: | Lucent Technol. Bell Labs., Holmdel, NJ; |
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Abstract: | 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 |
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