New electro-optic modulator based on polymer waveguide and loop structure

Chi Thanh Nguyen; Rolland Hierle; Bernard A. Journet; Patrick Labbe; Joseph Zyss

doi:10.1117/12.529206

18 June 2004 New electro-optic modulator based on polymer waveguide and loop structure

Chi Thanh Nguyen, Rolland Hierle, Bernard A. Journet, Patrick Labbe, Joseph Zyss

Proceedings Volume 5351, Organic Photonic Materials and Devices VI; (2004) https://doi.org/10.1117/12.529206
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

Photonics devices based on polymer optical waveguides are widely studied now and some commercial announcements have already been published. Nevertheless they are not been followed by really available products and it is still necessary to improve such kind of devices. The aim of this paper is to present a new structure for a polymer electro-optic modulator. The electro-optic polymer material is PMMA-DR1. This electro-optic polymer is well known by its high frequency bandwidth of modulation and its functional robustness. Nevertheless, its half-wave voltage remains relatively high, that is why a new configuration is proposed decreasing the half-wave voltage. The new device, which is fully described, is based on the classical Mach-Zehnder optical modulator structure, to which a completely new loop structure is added. Thus the optical waveguides are designed in order to increase the active length and so reducing the half-wave voltage. Otherwise the device is designed for a complete planar realization. The RF strip lines are also designed according to the loop structure with 50Ω characteristic impedance. A device has been realized and its optical are checked at 1.55μm wavelength. Electronic characteristics should be determined by the way of spectrum and network analyzers at frequencies up to 2GHz. All the measurements should show the feasibility and efficiency of the new structure.

Citation Download Citation

Chi Thanh Nguyen, Rolland Hierle, Bernard A. Journet, Patrick Labbe, and Joseph Zyss "New electro-optic modulator based on polymer waveguide and loop structure", Proc. SPIE 5351, Organic Photonic Materials and Devices VI, (18 June 2004); https://doi.org/10.1117/12.529206

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