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Proceedings Paper

Low voltage, moderate rejection ratio electro-optic modulator at 2.2μm obtained by proton exchange in lithium niobate
Author(s): Olga Caballero-Calero; Romain Burla; Thibaut Moulin; Alain Delboulbé; Laurent Jocou; Jean-Philippe Berger; Guillermo Martin
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Paper Abstract

In this paper we present the performances of a modulator, realized by proton exchange, achieving a moderate rejection ratio in the K-band (2.2μm). The device consists on a simple Mach-Zehnder beam combiner, developed by our partners from Photline Technologies®, pushing forward their proton exchange technique in order to achieve single mode optical guiding above 1.9μm in Lithium Niobate X-cut substrates. Applying low modulation voltages (Vπ=3.4V), and by a Fast Fourier Transform obtain the spectrum of the source with a moderate resolution, due to the reduced length of the active part (32mm). A white light interferometer is also shown, using a band-pass filter, from 1.8 to 2.6μm.

Paper Details

Date Published: 18 May 2010
PDF: 8 pages
Proc. SPIE 7719, Silicon Photonics and Photonic Integrated Circuits II, 77191D (18 May 2010); doi: 10.1117/12.854310
Show Author Affiliations
Olga Caballero-Calero, Lab. d'Astrophysique de Grenoble (France)
Romain Burla, Lab. d'Astrophysique de Grenoble (France)
Thibaut Moulin, Lab. d'Astrophysique de Grenoble (France)
Alain Delboulbé, Lab. d'Astrophysique de Grenoble (France)
Laurent Jocou, Lab. d'Astrophysique de Grenoble (France)
Jean-Philippe Berger, Lab. d'Astrophysique de Grenoble (France)
Guillermo Martin, Lab. d'Astrophysique de Grenoble (France)


Published in SPIE Proceedings Vol. 7719:
Silicon Photonics and Photonic Integrated Circuits II
Giancarlo Cesare Righini, Editor(s)

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