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Hybrid analog-digital MEMS fiber-optic variable attenuator

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2 Author(s)
N. A. Riza ; Coll. of Opt./Center for Res. & Educ. in Opt. & Lasers, Univ. of Central Florida, Orlando, FL, USA ; F. N. Ghauri

To the best of our knowledge, this letter demonstrates the first hybrid analog-digital design fiber-optic variable optical attenuator (VOA) that can simultaneously provide high dynamic range as well as super resolution attenuation controls. The demonstrated VOA shows an 81-dB controlled dynamic range, a <0.1-dB resolution, a 2.25-dB optical loss, a <0.05-dB polarization-dependant loss, and C-band operations. The VOA is suited for optical test and instrument applications.

Published in:

IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 1 )