Amplitude noise suppression in high-repetition-rate pulse train generation from a frequency-modulated Er-Yb laser |
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| Authors: | S. Longhi M. Marano P. Laporta O. Svelto R. Corsini F. Fontana |
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| Affiliation: | (1) INFM, Dipartimento di Fisica del Politecnico di Milano and CEQSE-CNR, P. zza L. da Vinci 32, 20133 Milano, Italy (Fax: +39-02/2399-6126, E-mail: longhi@fisi.polimi.it), IT;(2) Pirelli Cavi & Sistemi S.p.A., Viale Sarca 222, 20126 Milano, Italy, IT |
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| Abstract: | ![]()
A detailed experimental analysis of the amplitude noise in high-repetition-rate picosecond pulse trains generated by spectral filtering of a frequency-modulated Er-Yb:glass laser is reported. Two distinct sources of noise are identified, and stabilization techniques for noise suppression are proposed and experimentally demonstrated. Intensity noise suppression of ∼20 dB, corresponding to less than 2% residual amplitude fluctuations of the pulse train, has been achieved at repetition rates of 2.5 GHz and 5 GHz with pulse durations of ∼50 ps. Received: 28 July 1999 / Revised version: 13 September 1999 / Published online: 20 October 1999 |
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| Keywords: | PACS: 42.60.Fc 42.60.Rn |
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