Electro-optic modulation of laser diode light by mode interference in a multilayer waveguide including a 2-docosylamino-5-nitropyridine Langmuir-Blodgett film

Year: 1998

Authors: Palchetti L., Sottini S., Grando D., Giorgetti E., Ricceri R., Gabrielli G.

Autors Affiliation: Istituto di Ricerca sulle Onde Elettromagnetiche Nello Carrara, Consiglio Nazaionale delle Ricerche, Via Panciatichi, 64, I-50127 Firenze, Italy; Dipartimento di Chimica, Universita\’ di Firenze, I-50129 Firenze, Italy

Abstract: A hybrid four layer guide (FLG) including a glass guide and a 2-docosylamino-5-nitropyridine Langmuir-Blodgett film is described, and some tests are reported on an electro-optic modulator based on this FLG. The modulation of laser diode light was obtained by guided mode interference, without a Mach-Zehnder configuration of the device. From the modulated signal the r22 electro-optic coefficient was calculated as 11 pm/V.

Journal/Review: APPLIED PHYSICS LETTERS

Volume: 72 (8)      Pages from: 873  to: 875

KeyWords: Calculations; Characterization; Electrooptical devices; Electrooptical effects; Langmuir Blodgett films; Light interference; Light modulation; Light modulators; Optical variables measurement; Semiconductor device testing; Semiconductor lasers; Spurious signal noise, Electrooptic modulation; Graded index guide; Guided mode interference; Mach-Zehnder configuration; Multilayer waveguide, Optical waveguides
DOI: 10.1063/1.120921

Citations: 3
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