Abstract
An all-optical generation of a microwave carrier at that incorporates a double-Brillouin frequency shifter is presented. The frequency shift of is achieved by generating the second-order Brillouin Stokes signal from the Brillouin pump. This is accomplished through the circulation and isolation of its first-order Stokes signal in the optical fiber. The Brillouin pump signal is heterodyned with its second-order Brillouin Stokes signal at a high-speed photodetector, and the output beating frequency is equal to the offset between these two signals. The generated microwave carrier is measured at , and the carrier phase noise as low as is achieved.
© 2010 Optical Society of America
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