Abstract
This Letter introduces the design and simulation of a
microstrip-line-based electro-optic (EO) polymer optical phase modulator
(PM) that is further enhanced by the addition of photonic crystal (PhC)
structures that are in close proximity to the optical core. The slow-wave
PhC structure is designed for two different material configurations and
placed in the modulator as a superstrate to the optical core; simulation
results are depicted for both 1D and 2D PhC structures. The PM
characteristics are modeled using a combination of the finite element
method and the optical beam propagation method in both the RF and optical
domains, respectively. The phase-shift simulation results show a factor of
1.7 increase in an effective EO coefficient (120 pm/V) while maintaining a
broadband bandwidth of 40 GHz.
© 2017 Chinese Laser Press
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