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The coupling dynamics between a dispersion-managed soliton oscillator and a nonlinear amplifier in an all-photonic crystal fiber-based laser system is emphasized. The intracavity and output pulse evolution dynamics with the dispersion management by a pair of gratings in the oscillator are investigated numerically and experimentally in detail. Then the relationship between the net intracavity dispersion...
Lasers emitting around 2 μm (eye-safe spectral range) are of practical importance for remote sensing, spectroscopy and medicine. Such emission is typically achieved from Tm3+ (3F4 →3H6 transition) and Ho3+ ions (5I7 → 5I8 transition). The search for appropriate saturable absorbers (SAs) for passive Q-switching (PQS) of ∼2 μm lasers is still ongoing. While “slow” SAs, e.g. Cr2+:ZnS, are well-established,...
Laser-microcavity relative frequency fluctuations caused by thermal locking are studied. The locking of laser-microcavity detuning causes microcavity temperature fluctuations that transfer pump frequency noise onto the microcavity modes within the thermal locking bandwidth.
A new type of seven-core photonic crystal fiber was designed and fabricated for high power supercontinuum generation. Such design has the merits of high efficient coupling, and especially high beam quality.
High-Q disk resonators are used to frequency stabilize two fiber lasers. The improved phase noise of the devices is measured by heterodyne detection and compared to theoretical limits set by thermo-refractive noise.
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