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Dynamic wavelength switching of a phase-shifted fiber grating cavity with electrical pulses is studied experimentally and numerically. Simulations accurately describe observations. The effect of acoustic oscillations and fiber Bragg grating cavity refilling explains the results.
Fibers with internal electrodes are driven electrically. They allow for the control of polarization, wavelength tuning, nanosecond light gating, Q-switching and mode-locking of lasers. These are some of the applications discussed in this paper.
A novel dual-polarization fiber laser is proposed by incorporating a distributed feedback grating inscribed in a twin-hole fiber with internal electrodes. Dual-polarization lasing is achieved with a spectral separation of 42 pm. By beating the optical waves at a photodiode, a microwave signal at 5.244 GHz is achieved with a signal-to-noise ratio 45 dB. An electrically tuned microwave...
We fabricate a Gemini fiber with two branches bound by a glass bridge to create a stable monolithic Mach-Zehnder fiber interferometer and demonstrate the function of add-drop multiplexing with flat response over the entire C-band.
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