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Wideband, efficient optical serrodyne frequency shifting with a phase modulator and a nonlinear transmission Line
Rachel Houtz1, Cheong Chan, Holger Müller
11Department of Physics, 261 Birge Hall, University of California at Berkeley Berkeley, CA 94720, USA.
Optics Express
|April 8, 2010
Abstract:
We report shifting of the frequency of an 850 nm laser with an instantaneous bandwidth of (350-1650) MHz and an efficiency between 35% (minimum) to 80% (best at frequencies around 600 and 1500 MHz) by phase modulation with a sawtooth waveform ("serrodyne frequency shifting"). We use a fiber-coupled traveling wave electro-optical modulator driven by a nonlinear transmission line.
