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Control of wavelength alignment in wavelength division multiple access passive optical network

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5 Author(s)
Tervonen, A. ; Nokia Res. Center, Espoo, Finland ; Ohman, P. ; Pietilainen, A. ; Hiironen, O.-P.
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In a wavelength division multiple access passive optical network based on spectral slicing, the wavelength drift of a multiplexer/demultiplexer due to varying ambient temperature in the passive outside plant is compensated by controlling the temperature of the other device at central office location to wavelength alignment.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 2 )