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Browse Journals & Magazines > Photonics Technology Letters, ...> Volume:16 Issue:1 Help

Effects of acoustic reflection on the performance of a cladding-etched all-fiber acoustooptic variable optical attenuator

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4 Author(s)
Au, A.A. ; Dept. of Electr. & Comput. Eng., Univ. of California, Irvine, CA, USA ; Qun Li ; Chien-Hung Lin ; Lee, H.P.

We analyzed the effects of acoustic reflection on the performance of an acoustooptic variable optical attenuator on a cladding-etched single-mode fiber. It is shown that the acoustic reflection will generate time-dependent modulation on the output optical signal and reduce the maximum achievable attenuation of the device. By employing a tapered fiber structure and using vacuum grease as the acoustic absorber, we showed that the acoustic reflectance can be reduced by two orders and the maximum attenuation of the device is increased from -10 to -29 dB.

Published in:
Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 1 )

Date of Publication: Jan. 2004

Page(s):
150 - 152
ISSN :
1041-1135
INSPEC Accession Number:
7837154
Digital Object Identifier :
10.1109/LPT.2003.819395
Product Type:
Journals & Magazines
Date of Current Version :
07 January 2004
Issue Date :
Jan. 2004
Sponsored by :
IEEE Photonics Society

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