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We demonstrate a wideband tunable, ultrafast fiber laser mode-locked by using a solution deposited and encapsulated black phosphorus (BP) saturable absorber. Stable, picosecond pulses, tunable from 1535 nm to 1565 nm are generated.
We demonstrate an all-normal dispersion ytterbium-doped fiber laser Q-switched by using a solution processed few-layer tungsten disulfide (WS2)-polymer composite saturable absorber at 1030 nm.
High throughput screening of protein-small molecule binding interactions using label-free optical biosensors is challenging, as the detected signals are often similar in magnitude to experimental noise. Here, we describe a novel self-referencing external cavity laser (ECL) biosensor approach that achieves high resolution and high sensitivity, while eliminating thermal noise with sub-picometer wavelength...
We developed a single-mode, continuous-wave and electrically pumped plasmonic external cavity laser. It offers a novel label-free biosensing approach by combining the refractive index sensitivity of surface plasmon resonance with the high spectral resolution of laser emission.
A theoretical model for a metal-cavity surface-emitting microlaser is presented and the results are compared with experimental data. The model provides feasibility of size reduction below . The design rules are based on the Fabry–Perot formulation. Experimental demonstration of size reduction is presented using submonolayer quantum-dot-based devices. The size-dependent characteristics...
We demonstrated a dual-mode external cavity laser biosensor, and developed a self-referencing technique utilizing one of the two lasing modes as reference signal. This system achieves high-Q resonance, high sensitivity label-free detection and eliminates common-mode sources of sensor noise.
We report a simplified mode-locked Er fiber laser in normal dispersion with birefringence filters compared with the one with nonlinear polarization evolution mechanism.
A 91.4 kHz repetition rate Er-doped dispersion managed mode-locked fiber laser was demonstrated. The pulse energy was amplified to 790 nJ though single stage amplifier.
A simple, convenient and accurate technique for measurement of time delay in fiber by using a free-running linear-cavity laser is demonstrated. The uncertainty of time delay was in the order of 10-7 ~ 10-6.
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