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PLC-type variable optical attenuator operated at low electrical power

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4 Author(s)
Noh, Y.O. ; Information & Commun. Univ., Taejon, South Korea ; Yang, M.-S. ; Won, Y.H. ; Hwang, W.-Y.

A novel voltage-controlled variable optical attenuator based on a polymeric planar lightwave circuit (PLC) is demonstrated. The fabricated variable attenuator shows 30 dB attenuation with only 80 mW electrical input power at 1.5 μm. The polarisation dependences at 0 and 10 dB attenuations are 0.2 and 1 dB, respectively. The rise and fall times are less than 5 ms

Published in:

Electronics Letters  (Volume:36 ,  Issue: 24 )