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 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 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
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