We demonstrate sub-100-fs Kerr-lens mode-locking of a $ \mathrm{T} \mathrm{m} \quad \colon \quad \mathrm{M} \mathrm{g} \mathrm{W} \mathrm{O} _{4} $ laser emitting at $ \sim 2 \quad \upmu \mathrm{m} $ assisted by a single-walled carbon-nanotube saturable ...
We demonstrate sub-100-fs Kerr-lens mode-locking of a $ \mathrm{T} \mathrm{m} \quad \colon \quad \mathrm{M} \mathrm{g} \mathrm{W} \mathrm{O} _{4} $ laser emitting at $ \sim 2 \quad \upmu \mathrm{m} $ assisted by a single-walled carbon-nanotube saturable absorber. A maximum average output power of 100 mW is achieved with pulse duration of 89 fs at a pulse repetition rate of $ \sim 86 \quad \mathrm{M} \mathrm{H} \mathrm{z} $. The shortest pulse duration derived from frequency-resolved optical gating amounts to 76 fs at 2037 nm, corresponding to nearly bandwidth-limited pulses. To the best of our knowledge, these are the shortest pulses generated from any Tm-doped tungstate crystal and the first report on saturable absorber assisted Kerr-lens mode-locking of a Tm laser at $ \sim 2 \quad \upmu \mathrm{m} $.
We demonstrate sub-100-fs Kerr-lens mode-locking of a $ \mathrm{T} \mathrm{m} \quad \colon \quad \mathrm{M} \mathrm{g} \mathrm{W} \mathrm{O} _{4} $ laser emitting at $ \sim 2 \quad \upmu \mathrm{m} $ assisted by a single-walled carbon-nanotube saturable absorber. A maximum average output power of 100 mW is achieved with pulse duration of 89 fs at a pulse repetition rate of $ \sim 86 \quad \mathrm{M} \mathrm{H} \mathrm{z} $. The shortest pulse duration derived from frequency-resolved optical gating amounts to 76 fs at 2037 nm, corresponding to nearly bandwidth-limited pulses. To the best of our knowledge, these are the shortest pulses generated from any Tm-doped tungstate crystal and the first report on saturable absorber assisted Kerr-lens mode-locking of a Tm laser at $ \sim 2 \quad \upmu \mathrm{m} $.
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