A poled fiber device with dual functions as an electro-optic modulator and a polarizer

Zhe Chen; Lida Shen

doi:10.1117/12.577270

17 January 2005 A poled fiber device with dual functions as an electro-optic modulator and a polarizer

Zhe Chen, Lida Shen

Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005) https://doi.org/10.1117/12.577270
Event: Photonics Asia, 2004, Beijing, China

Abstract

We report the demonstration of a fiber optic device integrated with the functions of both an electro-optic modulator and a polarizer. The device was made from thermal poling of a side-polished commercial PANDA fiber. The part of the electrode on the polished flat was of a micro-strip shape measured 60μm wide and 60mm long. The special electrode was not only as a wire to conduct electric voltage, but also as a metal waveguide to create surface plasma wave. The sample fiber was poled thermally at temperature of 260°C by applying a DC voltage of 3kV across the electrodes for 15 minutes. The device has demonstrated a polarization extinction ratio of 32 dB and an electro-optic coefficient of 0.15pm/V for the TE mode. The theoretical analysis of the poled fiber waveguide was done and its results fit in with the experiments well. The device may be used as a polarization-maintaining fiber optic phase modulator, a fiber polarizer, or both at the same time. The device can also be used as a component to construct polarization stable all fiber devices such as intensity modulators and sensors.

Citation Download Citation

Zhe Chen and Lida Shen "A poled fiber device with dual functions as an electro-optic modulator and a polarizer", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.577270

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