Polarization State Control Using Thermo-Optic Effect in Organic-Inorganic Hybrids Waveguides

abstract

In this work, we report an integrated tunable wave-plate based on thermo-optic (TO) effect on a waveguide patterned by direct UV laser writing on films of organic-inorganic hybrid materials. The temperature of the waveguide was tuned inducing phase retardation between transverse electric and transverse magnetic modes. The TO coefficient of the planar waveguide is (-4.9 +/- 0.3) x10(-4) degrees C-1 at 1550 nm. A maximum phase retardation of 77 degrees was achieved for a temperature variation of 5 degrees C, with a power consumption of 435 mW. The transformations of the state of polarization between linear and circular were visualized on the Poincare sphere.

keywords

DEVICES

subject category

Engineering; Telecommunications

authors

Vicente, CMS; Lima, PP; Bermudez, VD; Carlos, LD; Andre, PS; Ferreira, RAS

our authors

acknowledgements

Funding was provided by FEDER, through COMPETE and Fundacao para a Ciencia e a Tecnologia (FCT), FCOMP-01-0124-FEDER-037271 (PEst-C/CTM/LA0011/2013) and PEst-OE/EEI/LA0008/2013. C. Vicente also acknowledges FCT for the grant SFRH/BPD/87473/2012.

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