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Proceedings Paper

Opto-electronic oscillator: moving toward solutions based on polymer materials
Author(s): Lâm Duy Nguyên; Bernard Journet; Joseph Zyss
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Paper Abstract

Optoelectronic oscillators have been studied since many years now, their high spectral purity being one of their most interesting quality for photonics signal processing, communication or radio over fiber systems. One part of the structure is a long fiber optic feedback loop acting as a delay line. Different techniques have been introduced such as multiple loops in order to get very narrow spectral lines and large mode spacing. One of the problems due to long fiber loops is the size and the requirement of temperature control. In order to go toward integrated solutions it is also possible to introduce optical resonators instead of a delay line structure (as for classical electronic oscillators). But such resonators should present very high quality factor. In this paper we demonstrate solutions using resonators based on polymer materials such as PMMA-DCM. Structures such as micro-rings, micro-disks or stadium-shaped resonator have been realized at the laboratory. Quality factor of 6000 have already been achieved leading to an equivalent fiber loop of 19 m for an oscillator at 10 GHz. But it has been already theoretically proved that quality factor greater than one thousand hundred could be obtained. These resonators can be directly implemented with Mach-Zehnder optical modulators based on electro-optic polymer such as PMMA-DR1 leading to integrated solutions. And in the future it should be also possible to add a laser made with polymer material, with a structure as stadium-shape polymer micro-laser. The fully integrated photonic chip is not so far. The last important function to be implemented is the tuning of the oscillation frequency.

Paper Details

Date Published: 12 February 2008
PDF: 8 pages
Proc. SPIE 6896, Integrated Optics: Devices, Materials, and Technologies XII, 68961I (12 February 2008); doi: 10.1117/12.763805
Show Author Affiliations
Lâm Duy Nguyên, SATIE, D'Alembert Institute, ENS de Cachan (France)
Bernard Journet, SATIE, D'Alembert Institute, ENS de Cachan (France)
Joseph Zyss, LPQM, D'Alembert Institute, ENS de Cachan (France)

Published in SPIE Proceedings Vol. 6896:
Integrated Optics: Devices, Materials, and Technologies XII
Christoph M. Greiner; Christoph A. Waechter, Editor(s)

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