Abstract
This paper demonstrates a four-element integrated photonic
radio-frequency (RF) phase shifter array in a single chip with an advanced
configuration. These devices are integrated using electrooptic polymer
materials and involve several novel technologies. Measurements of this
configuration showed that our four outputs were independent and had highly
linear RF phases over 360° with negligible RF power fluctuation at
the modulation frequency of 20 GHz. This significant improvement is
capable of removing one of the major problems in using this type of phase
shifter architecture.
© 2003 IEEE
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