Kerr-lens mode-locked, diode-pumped Yb,Gd:YAP laser generating 23 fs pulses.

We report on the generation of sub-30 fs pulses from a diode-pumped Yb,Gd:YAP laser. Using soft-aperture Kerr-lens mode-locking, soliton pulses as short as 23 fs were achieved at 1082.3 nm, with an average output power of 45 mW at a repetition rate of 67.

Sub-40-fs diode-pumped ytterbium-doped mixed rare-earth calcium oxoborate laser.

We present a detailed comparative investigation of the continuous-wave and mode-locked laser performance of a mixed rare-earth calcium oxoborate crystal, Yb:(Gd,Y)CaO(BO), abbreviated as Yb:(Gd,Y)COB, for all three principal optical polarizations. Pumped by a low-power, single-transverse-mode, fiber-coupled laser diode at 976 nm, the Yb:(Gd,Y)COB laser generated soliton pulses as short as 32 fs at 1052.4 nm via soft-aperture Kerr-lens mode-locking, delivering an average output power of 51 mW at ∼66.

Diode-pumped mode-locked Yb:CaLa(BO) laser generating 35 fs pulses.

We present a comprehensive study of both continuous-wave and first mode-locked operation of a diode-pumped Yb:CaLa(BO) laser in the soliton regime. Using a 976-nm single-spatial-mode, fiber-coupled InGaAs diode laser as pump source, the Yb:CaLa(BO) laser delivers a maximum continuous-wave output power of 491 mW at 1050.6 nm, with a slope efficiency of 63%.

Spectroscopy and SESAM mode-locking of a disordered Yb:GdSrAlO crystal.

We report on the polarized spectroscopy, continuous-wave laser operation, and mode-locked laser performance of an ytterbium-doped disordered tetragonal rare-earth strontium aluminate crystal, Yb:GdSrAlO. In the continuous-wave regime, the diode-pumped Yb:GdSrAlO laser generated a maximum output power of 487 mW at 1064 nm (π-polarization), with a slope efficiency of 61%. By employing a commercial SESAM to initiate and stabilize soliton-like pulse formation, the mode-locked Yb:GdSrAlO laser generated transform-limited pulses as short as 38 fs at 1065.

Diode-pumped few-optical-cycle laser based on an ytterbium-doped disordered strontium yttrium borate crystal.

We report on a power-scalable, diode-pumped sub-20-fs mode-locked (ML) laser based on a multisite ytterbium-doped strontium yttrium borate crystal, Yb:SrY(BO), exhibiting broadband spectral gain. Pumping with a low-power, spatially single-mode laser diode, the Yb:SrY(BO) laser produces soliton pulses as short as 19 fs at 1073.1 nm via soft-aperture Kerr-lens mode locking.

35-fs diode-pumped mode-locked ytterbium-doped multi-component alkaline-earth fluoride laser.

We demonstrate direct generation of sub-40 fs pulses from a diode-pumped mode-locked laser using an ytterbium-yttrium codoped multi-component alkaline-earth fluoride crystal and a semiconductor saturable absorber mirror. The Yb,Y:(Ca,Sr)F laser delivers soliton pulses as short as 35 fs at 1056.7 nm, with an average output power of 182 mW at a repetition rate of ∼65.

Diode-pumped Kerr-lens mode-locked Yb:MgWO laser.

We present the first Kerr-lens mode-locked solid-state laser based on ytterbium-doped monoclinic magnesium monotungstate as an active medium. The diode-pumped Yb:MgWO laser delivers soliton pulses as short as 32 fs at 1079 nm with a pulse repetition rate of ∼68 MHz via soft-aperture Kerr-lens mode-locking. To the best of our knowledge, these are the shortest pulses ever achieved from any ytterbium-doped tungstate crystals.

Diode-pumped Kerr-lens mode-locked ytterbium-doped compositional mixed calcium aluminate laser.

A diode-pumped Kerr-lens mode-locked laser generating 25 fs pulses at 1080 nm is demonstrated with an Yb-doped compositional mixed calcium aluminate crystal. The Yb:Ca(Gd,Y)AlO laser, which operates at a repetition rate of 65.6 MHz via soft-aperture Kerr-lens mode-locking, is pumped by a spatially single-mode, fiber-coupled diode laser.

Growth, spectroscopy and laser operation of Tm,Ho:GdScO perovskite crystal.

We report on the growth, polarized spectroscopy and first laser operation of an orthorhombic (space group Pnma) Tm,Ho-codoped gadolinium orthoscandate (GdScO) perovskite-type crystal. A single crystal of 3.76 at.

SESAM mode-locked Yb:GdScO laser.

We report on the investigation of continuous-wave (CW) and SEmiconductor Saturable Absorber Mirror (SESAM) mode-locked operation of a Yb:GdScO laser. Using a single-transverse-mode, fiber-coupled InGaAs laser diode at 976 nm as a pump source, the Yb:GdScO laser delivers 343 mW output power at 1062 nm in the CW regime, which corresponds to a slope efficiency of 52%. Continuous tuning is possible across a wavelength range of 84 nm (1027-1111 nm).

Continuous-wave and SESAM mode-locked operation of a Yb:YSr(PO) laser.

We report on the continuous-wave (CW) and, for what we believe to be the first time, passively mode-locked (ML) laser operation of an Yb-doped YSr(PO) crystal. Utilizing a 976-nm spatially single-mode, fiber-coupled laser diode as pump source, the Yb:YSr(PO) laser delivers a maximum CW output power of 333 mW at 1045.8 nm with an optical efficiency of 55.

Sub-50 fs diode-pumped SESAM mode-locked Yb:SrF laser.

We report on sub-50 fs pulse generation from a passively mode-locked Yb:SrF laser pumped with a spatially single-mode, fiber-coupled laser diode at 976 nm. In the continuous-wave regime, the Yb:SrF laser generated a maximum output power of 704 mW at 1048 nm with a threshold of 64 mW and a slope efficiency of 77.2%.

56-fs diode-pumped SESAM mode-locked Yb:YAl(BO) laser.

We report on the first sub-60 fs pulse generated from a diode-pumped SESAM mode-locked Yb-laser based on a non-centrosymmetric Yb:YAl(BO) crystal as a gain medium. In the continuous-wave regime, pumping with a spatially single-mode, fiber-coupled 976 nm InGaAs laser diode, the Yb:YAl(BO) laser generated 391 mW at 1041.7 nm with a slope efficiency as high as 65.

Diode-pumped mode-locked Yb:ScSiO laser generating 38 fs pulses.

We report on sub-40 fs pulse generation from a Yb:ScSiO laser pumped by a spatially single-mode fiber-coupled laser diode at 976 nm. A maximum output power of 545 mW was obtained at 1062.6 nm in the continuous-wave regime, corresponding to a slope efficiency of 64% and a laser threshold of 143 mW.

Kerr-lens mode-locking of an Yb:CLNGG laser.

We report on a Kerr-lens mode-locked laser based on an Yb-doped disordered calcium lithium niobium gallium garnet (Yb:CLNGG) crystal. Pumping by a spatially single-mode Yb fiber laser at 976 nm, the Yb:CLNGG laser delivers soliton pulses as short as 31 fs at 1056.8 nm with an average output power of 66 mW and a pulse repetition rate of ∼77.

Semiconductor saturable absorber mirror mode-locked Yb:YAP laser.

We report on sub-30 fs pulse generation from a semiconductor saturable absorber mirror mode-locked Yb:YAP laser. Pumping by a spatially single-mode Yb fiber laser at 979 nm, soliton pulses as short as 29 fs were generated at 1091 nm with an average output power of 156 mW and a pulse repetition rate of 85.1 MHz.

Kerr-lens mode-locked Yb:YAlO laser generating 24-fs pulses at 1085 nm.

We report on a Kerr-lens mode-locked Yb:YAlO laser generating soliton pulses as short as 24 fs at 1085 nm with an average output power of 186 mW and a pulse repetition rate of 87.5 MHz, representing the shortest pulses ever achieved from any mode-locked laser based on Yb-doped structurally ordered crystal. Optimized for power-scalable operation, the Yb:YAlO laser delivers 1.

Kerr-lens mode-locked ytterbium-activated orthoaluminate laser.

We report on the first, to the best of our knowledge, Kerr-lens mode-locked laser based on an Yb-doped perovskite-type orthoaluminate crystal exploiting two different principal light polarizations. The Yb:(Y,Gd)AlO laser delivers soliton pulses as short as 32 fs at 1067 nm with an average output power of 328 mW and a pulse repetition rate of ∼84.6 MHz for E || a polarization.

Diode-pumped mode-locked Yb:BaF laser.

We report on a continuous-wave (CW) and passively mode-locked operation of a fluorite-type Yb:BaF crystal. Pumped with a spatially single-mode, fiber-coupled InGaAs laser diode at 976 nm, the Yb:BaF laser generated a maximum CW output power of 512 mW at 1054.4 nm, corresponding to a laser threshold of 36.

SESAM mode-locked Yb:SrY(BO) laser.

We demonstrate the first sub-40 fs soliton pulse generation from a diode-pumped Yb:SrY(BO) laser passively mode-locked by a semiconductor saturable absorber mirror. Pulses as short as 38 fs at a central wavelength of 1051.7 nm were achieved with an average output power of 115 mW and a pulse repetition rate of 67.

Soliton mode-locked Yb:CaGd(BO) laser.

We report on a soliton mode-locked Yb:CaGd(BO) laser at ∼1.06 µm stabilized by a semiconductor saturable absorber mirror. Pumping with a single-transverse mode, fiber-coupled laser diode at 976 nm, the Yb:CaGd(BO) laser delivers soliton pulses as short as 39 fs at a central wavelength of 1059.

Diode-pumped SESAM mode-locked Yb:(Y,Gd)AlO laser.

We report on the continuous-wave (CW) and mode-locked (ML) laser performance of an Yb-doped yttrium-gadolinium orthoaluminate crystal, Yb:(Y,Gd)AlO. Pumping by a single-transverse-mode fiber-coupled 976 nm InGaAs laser diode, the maximum output power in the CW regime amounted to 429 mW at 1041.8 nm corresponding to a slope efficiency of 51.