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Updated: Jul 9, 2026

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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Demonstration of microwave frequency shifting by use of a highly chirped mode-locked fiber laser
J U Kang1, M Y Frankel, R D Esman
1Naval Research Laboratory, Code 5670, 4555 Overlook Avenue, SW, Washington, DC 20375-5338, USA.
Optics Letters
|December 19, 2007
Abstract:
We report an experimental demonstration of a photonic microwave shifter using a highly chirped mode-locked fiber laser. The system is based on dispersive compression or expansion of highly chirped optical pulses that are amplitude modulated by the microwave signal. Using this technique, we demonstrated frequency shifting of a microwave signal from 10 GHz down to 5 GHz and up to 25 GHz.

