Patent
1989-01-09
1989-09-12
Gonzalez, Frank
350 9614, G02B 610
Patent
active
048654086
ABSTRACT:
Crosstalk for a directional coupler switch employing a reversed .DELTA..beta. electrode structure is reduced to a minimum by properly placing electrode sections over the waveguides to compensate interwaveguide coupling preceding an electrode section with interwaveguide coupling following the electrode section.
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American Telephone and Telegraph Company
AT&T Laboratories
Gonzalez Frank
Ranieri Gregory C.
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