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Optics Letters

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  • Vol. 23, Iss. 12 — Jun. 15, 1998
  • pp: 945–947

Ultrahigh 47-dB optical drop rejection multiwavelength add--drop filter using spatial filtering and dual bulk acousto-optic tunable filters

Nabeel A. Riza and Jian Chen  »View Author Affiliations


Optics Letters, Vol. 23, Issue 12, pp. 945-947 (1998)
http://dx.doi.org/10.1364/OL.23.000945


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Abstract

A new high-speed, ultrahigh cross-talk-suppression multiwavelength add–drop optical filter structure is demonstrated with two bulk acousto-optic tunable filters. With simple spatial blocks, an average -47-dB optical suppression is measured for the unwanted wavelengths at the filter output ports. The filter is tested for the three standard visible wavelengths, red, green, and blue, and demonstrates a switching time of 0.65µs and an average optical loss of 5 dB. Applications for this filter include multiwavelength switching applications such as wavelength-division-multiplexed optical communications.

© 1998 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4230) Fiber optics and optical communications : Multiplexing
(070.1060) Fourier optics and signal processing : Acousto-optical signal processing

Citation
Nabeel A. Riza and Jian Chen, "Ultrahigh 47-dB optical drop rejection multiwavelength add--drop filter using spatial filtering and dual bulk acousto-optic tunable filters," Opt. Lett. 23, 945-947 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-12-945


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