19 June 2003 Optimization of an integrated optic broadband duplexer for 0.8/1.3-micrometer applications
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Proceedings Volume 4987, Integrated Optics: Devices, Materials, and Technologies VII; (2003) https://doi.org/10.1117/12.474342
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
Abstract
These last years, the growth of data traffic has increased the interest for broadband integrated optic devices. Their applications include, for example, the fiber communications on a single fiber by adding the transmission capacity of two optical telecommunication windows for Local Area Networks (LAN) and Wide Area Networks (WAN) or by combining pump and signal wavelenghts in rare earth doped intergrated optical amplifiers. A promising technology to realize those devices is ion-exchange on glass. Indeed, it allows the integration of different functions in a glass substrate with efficient results and a better compatibility in fiber systems with a low cost. We propose in this paper an original broadband duplexer based on a leaky structure. First, the physical principle of the component is explained. The core of the structure is a leaky zone which involves a non-resonant coupling and ensures a broadband spectral behavior to the component. Then, the broadband duplexer is presented and the focus is specially made on the improvement of the outputs crosstalk through the suppression of parasitical back reflections. Theoretical optimization and validation by simulations are presented. Finally, perspectives of this work are proposed.
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Elise Ghibaudo, Elise Ghibaudo, Jean-Emmanuel Broquin, Jean-Emmanuel Broquin, Pierre Benech, Pierre Benech, } "Optimization of an integrated optic broadband duplexer for 0.8/1.3-micrometer applications", Proc. SPIE 4987, Integrated Optics: Devices, Materials, and Technologies VII, (19 June 2003); doi: 10.1117/12.474342; https://doi.org/10.1117/12.474342
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