Abstract

An exact analytical expression for the time–bandwidth product ΔtΔf of chirped sech² pulses is derived. The relation can be expressed by ΔtΔf = 0.1786 arcosh(cosh πα + 2) as a function of the laser’s phase–amplitude coupling factor α. An experimental measurement of the α factor that relies on this formula is discussed.

© 1995 Optical Society of America

Time-bandwidth product of chirped sech² pulses: application to phase–amplitude-coupling factor measurement: addendum

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