How to generate a width of 500 picosecond pulse?

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snipped-for-privacy@vip.sina.com wrote: : How to generate a width of 500 picosecond pulse?

Start with a 50 picosecond pulse and propagate it a few inches down a dispersive transmission line.

Stuart

thanks!

but I now consider that how to generate a single pulse include the 50 picosecond one.

any way i now have't a pulse it during time is some of picosecond.

thanks! but i now even have't a 50 picosecond one.