By recoating a thin layer of soldering oil on a cladding-etched single mode fiber to absorb the cladding mode light, we demonstrated a 5-cm long all-fiber acousto-optic VOA with ultra-large dynamic range (> 40dB).
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.0230) Optical devices : Optical devices
(230.1040) Optical devices : Acousto-optical devices
C. Lin, H. Lin, M. M. Ahooie, Q. Li, H. P. Lee, and E. Wu, "All-fiber acousto-optic variable optical attenuator with large (>40dB) dynamic range on recoated single mode fiber," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CTuD4.
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