Abstract
Electro-optic sampling technique has potential application in microwave waveform measurement up to the millimeter wave region. However, the time synchronization between microwave signals and laser pulses is very important to reproducing a high quality waveform. Any time jittering between the two signals can cause error in waveform sampling. The synchronization can be established by using a sophisticated frequency synthesizer as the microwave source and synchronizing it with the rf driver of the laser modelocker (another frequency synthesizer).1 However, this type of system is very complex and expensive, especially when applied to the millimeter wave frequency range. Moreover, use of this technique is limited and cannot be applied to measurement of the oscillator waveform on a MMIC.
© 1991 Optical Society of America
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