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Proceedings Paper

Some new trends on LINBO3 modulators
Author(s): Nadège Courjal; M. P. Bernal; J. Hauden; J. Amet; M. Roussey; H. Porte
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Paper Abstract

We report two novel kinds of LiNbO3 electro-optic modulators. The first one is oriented toward long haul high bit rate telecommunication systems. An original single-ended structure with a poled section and phase reversal electrodes is proposed to prevent the intensity modulation from chirp, without sacrifice on the driving voltage. We also show that improvements can be performed with the use of several poled sections. To remain attracting, LiNbO3 modulators should also exhibit a lower size. The second configuration described here is a new generation of LiNbO3 modulators based on photonic crystals, with a micrometric active length. We theoretically show that the optimal photonic structures for an efficient electro-optical tuning are based on a triangular array of holes integrated on a X-cut substrate. The first optical characterizations confirm the theoretical predictions, and exhibit a -12dB extinction ratio in the transmission response.

Paper Details

Date Published: 2 March 2006
PDF: 15 pages
Proc. SPIE 6123, Integrated Optics: Devices, Materials, and Technologies X, 61230C (2 March 2006); doi: 10.1117/12.647820
Show Author Affiliations
Nadège Courjal, Univ. de Franche Comté (France)
M. P. Bernal, Univ. de Franche Comté (France)
J. Hauden, Photline Technologies (France)
J. Amet, Univ. de Franche Comté (France)
M. Roussey, Univ. de Franche Comté (France)
H. Porte, Photline Technologies (France)

Published in SPIE Proceedings Vol. 6123:
Integrated Optics: Devices, Materials, and Technologies X
Yakov Sidorin; Christoph A. Waechter, Editor(s)

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