Boyain AR, Martínez-León L, Cruz JL, Diez A, Andrés MV. Low-frequency and high-frequency all-fiber modulators based on birefringence modulation.
APPLIED OPTICS 1999;
38:6278-6283. [PMID:
18324152 DOI:
10.1364/ao.38.006278]
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Abstract
In-line optical modulators with low insertion losses and high maximum optical powers are required for Q switching and cavity dumping of fiber lasers as well as for nonlinear optical-fiber experiments. We report the design of polarimetric all-fiber modulators based on optical-fiber birefringence modulation combined with an all-fiber polarizer. Birefringence modulation involves a piezoelectric ceramic tube. This simple technique permits efficient low-frequency and high-frequency harmonic modulation, up to the megahertz range, as well as modulation of pulses shorter than 1 micros.
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