Passive Q-Switched Operation of a c-Cut Tm,Ho:LuVO4 Laser with a Few-Layer WSe2 Saturable Absorber

Passively Q‐switched operation of Yb,Ho:LuVO4 laser with a semiconductor saturable absorber mirrors

“…At present, common vanadate crystals are LuVO 4 , GdVO 4 , and YVO 4 . With this excellent performance, LuVO 4 crystal has been proven to be suitable for co‐dope or dope with rare‐earth ions Tm/Ho, and Tm/Ho:LuVO 4 crystals were demonstrated in 2‐μm CW and Q‐switched lasers 27,28 . We have demonstrated Yb,Ho:LuVO 4 laser in CW mode, and a 303‐mW output power was acquired at 2076 nm with the pump wavelength of 980.88 nm 29 .…”

“…With this excellent performance, LuVO 4 crystal has been proven to be suitable for co-dope or dope with rare-earth ions Tm/Ho, and Tm/ Ho:LuVO 4 crystals were demonstrated in 2-μm CW and Q-switched lasers. 27,28 We have demonstrated Yb,Ho:Lu-VO 4 laser in CW mode, and a 303-mW output power was acquired at 2076 nm with the pump wavelength of 980.88 nm. 29 However, the pulsed Yb,Ho:LuVO 4 laser has not been implemented in any experimental work.…”

Operation of a passively mode‐locked Tm:YAG laser with tantalum aluminum carbide as a saturable absorber

“…12 The novel emergence of 2D materials such as graphene, black phosphate (BP), boron nitride (BN), transition metal disulfide (TMDC), and others have recently attracted remarkable research and been extensively investigated for ultra-short lasers in 1-3 µm. [13][14][15][16][17][18][19][20][21][22] However, among the 2D materials, graphene, BP, and BN have some shortcomings, for example, lower absorption efficiency and rapid oxidation. [23][24][25] Recently, MXene materials have been researched to replace some conventional SAs.…”

“…Two‐dimensional (2D) materials show high performance in nonlinear optical and optoelectronic properties and significant advantages in chemistry, condensed matter physics, material science, and nanotechnology which make them suitable as SA in pulse laser systems 12 . The novel emergence of 2D materials such as graphene, black phosphate (BP), boron nitride (BN), transition metal disulfide (TMDC), and others have recently attracted remarkable research and been extensively investigated for ultra‐short lasers in 1–3 µm 13–22 . However, among the 2D materials, graphene, BP, and BN have some shortcomings, for example, lower absorption efficiency and rapid oxidation 23–25 .…”

Experimental Investigation of Double-End Pumped Tm, Ho: GdVO4 Laser at Cryogenic Temperature

“…Rare earth ions such as Tm 3+ and Ho 3+ doped into vanadate hosts exhibit a broadly spectral band at a pump wavelength of~800 nm and great absorption/emission cross sections [8] which facilitate the laser crystal to efficiently absorb pump light, thus improving laser performances. Tm-doped vanadate laser [9] pumped by laser diodes with~800 nm wavelength, Ho-doped vanadate laser [10] in-band pumped by Tm-lasers or laser diodes, and Tm, Ho-codoped vanadate lasers [11,12] pumped by laser diodes have been extensively investigated under continuous wave or pulse operating modes. Tm, Ho-codoped lasers with sensitization ions Tm 3+ and activation ions Ho 3+ can be pumped by laser diodes with 800 nm wavelengths and simultaneously exhibit excellent Q-switching performance due to the strong stored energy capability of Ho 3+ ions.…”