Abstract
The 2 x 2 MMI-MZI polymer thermo-optic switch in a high refractive index
contrast (0.102) with a new structure design is realized. The fabrication was done using
standard fabrication techniques such as coating, photolithography, and dry etching. A
crosstalk level of -28.6 dB has been achieved. Meanwhile, the extinction ratio of
28.6 dB has been achieved in this device. The polarization-dependent loss of 0.3 dB was
measured at 1550 nm wavelength. In terms of wavelength dependency, the device shows a
good performance within C-band wavelength with vacillation of the insertion loss value
around 0.88 dB. The power consumption of 1.85 mW was measured to change the state of the
switch from the cross to bar state. The measured switching time was 0.7 ms.
© 2011 IEEE
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