Dual-comb acquisition speed multiplication in single short fiber (IMAGE)
Caption
A single-fiber linear-cavity laser integrated with multifunctional devices was proposed and demonstrated for fiber dual-comb acquisition speed enhancement. This setup enabled flexible control of the optical intensity distribution between orthogonal polarizations by adjusting the polarization-dependent degrees of freedom inherent to the device, thereby achieving controllable polarization-multiplexed asynchronous harmonic mode-locking. The two sets of harmonic mode-locked pulses can effectively multiply the equivalent repetition rate difference and generate more temporal interferograms based on the least common multiple principle.
Credit
Guorui Wang#, Zixuan Ding#, and Fei Xu*
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