Abstract
High-frequency electro-optical modulator is critical for enabling signal
processing and distribution in the next generation cloud-computing, tele-medicine,
and telecommunications. In this paper, substrate integrated waveguide (SIW)
is exploited as an alternative fundamental transmission line structure in
support of electrical signal for the design and development of millimeter-wave
and terahertz (THz) traveling-wave polymeric electro-optic (EO) modulator.
Optical and full-wave electromagnetic analyses are carried out and structure
optimization is made on the basis of such analyses in order to obtain millimeter-wave
transmission characteristics and optical response. Compared to its conventional
TEM-mode transmission lines, this bandpass non-TEM mode SIW-based EO modulator
presents numerous advantages, namely compact structure, low transmission loss,
low driving power, simple packaging and flat optical response over a wide
frequency range.
© 2012 IEEE
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