Synthesis of optical standard frequencies in the S, C and L telecommunication bands by use of four-wave mixing in semiconductor optical amplifiers |
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| Authors: | Ana Carrasco-Sanz,Sonia Martí n-Ló pez,Pedro Corredera |
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| Affiliation: | a Departamento de Metrología, Instituto de Física Aplicada (CSIC), Serrano, 144, 28006 Madrid, Spain
b Departamento de Electrónica, Escuela Politécnica Superior, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Spain |
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| Abstract: | The generation of standard reference frequencies close to the ITU channels is essential for the calibration and maintenance of DWDM systems. This work describes a method to synthesize frequency references in the range from 187.1 to 205.1 THz (1462-1602 nm). The method is based on the generation of four equispaced frequencies (by the process of four-wave mixing in a semiconductor amplifier) of which two are locked to absorption lines of the acetylene 12C2H2 (1511-1542 nm). |
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| Keywords: | Standard frequencies Four-wave mixing Semiconductor optical amplifier |
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