Browsing by Subject "Pumps"
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Item Open Access Characterization of coupling of pump fluctuations to laser in mode-locked Yb-doped and Er-doped fiber oscillators(Optical Society of America, 2010) Budunoğlu, İbrahim Levent; Gürel, Kutan; İlday, F. ÖmerTransfer of fluctuations of pump power to laser power is characterized for mode-locked fiber oscillators. Contribution of pump noise to laser noise is estimated. Limits to pump modulation bandwidth for carrier-envelopephase stabilization are briefly discussed. © 2010 Optical Society of America.Item Open Access Fiber amplification of pulse bursts up to 20 μj pulse energy at 1 kHz repetition rate(Optical of Society of America, 2011-08-23) Kalaycıoğlu, Hamit; Eken, K.; İlday, F. ÖmerWe demonstrate burst-mode operation of a polarization-maintaining Yb-doped fiber amplifier. Groups of pulses with a temporal spacing of 10 ns and 1 kHz overall repetition rate are amplified to an average pulse energy of ∼20 μJ and total burst energy of 0:25 mJ. The pulses are externally compressed to ∼400 fs. The amplifier is synchronously pulsed-pumped to minimize amplified spontaneous emission between the bursts. We characterize the influence of pump pulse duration, pump-to-signal delay, and signal burst length.Item Open Access Influence of modulation of pump and seed signals on fiber amplification of broadband pulses(OSA, 2011) Gürel, Kutan; Elahi, Parviz; Budunoğlu, İbrahim Levent; Şenel, Çağrı; Paltani, Punya Prasanna; İlday, Fatih ÖmerWe report on characterization of the transfer of pump and seed signal modulations, including noise, during fiber amplification. We demonstrate experimentally and theoretically that pump (signal) modulations are transferred only below (above) a cut-off frequency.