508 / VOL. 2 / OFC 2003 / THURSDAY MORNING to 2 dBm when the gain is increased to 23.5 dB.Note that the XGS effect can be reduced by a gain clamping principle, i.e. by launching high power CW signal into the FOPA.
ConclusloosWe have presented, to ow knowledge, the fmt expenmental results on FOPA as in-line amplifier for WDM systems. We.have quantified the impairments from both XGS and FWM and found them -101 -30 -20 t 1 Fif -90 1540 1550 1560 1570 1580 Wavelength, nmFig. 2 Typical spectra with and without pump after the HNLF. -. . equal channel spacing -~ Fig 3 O m l l o r c o~e e x e s showing how a hit seque$ [unequ
Extreme ultraviolet (XUV) radiation from 100 to less than 30 nm is emitted from a laser-induced plasma generated on a liquid-mercury surface. This surface does not degrade even after tens of thousands of laser pulses. The 532-nm laser light focused on the mercury forms a bright plasma core and a plume extending several millimeters above the liquid level. The plasma core produces primarily continuum radiation, whereas the plume emits lines at wavelengths above 77 nm. The mercury plasma was generated at the entrance port of a normal incidence vacuum monochromator, and the dispersed XUV radiation was monitored with a photomultiplier tube.
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