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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