Abstract
We report photonic microwave generation based on Er:fiber-based optical frequency combs and 1.55 μm ultra-stable lasers. The frequency instability of the 9.6 GHz microwave signals is 3 × 10−15@ 1s, and the synthesized tunable 9.192 GHz signal exhibits an instability of 6.7×10−15 @1s. Further improvement of the photonic oscillators is undergoing.
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