Published: Jan. 1, 2024
We experimentally demonstrated self-compression of near-200-fs Yb:KGW laser to 7 fs at 100 kHz in a single gas-filled anti-resonant hollow-core photonic crystal fiber.
Language: Английский
APL Photonics, Journal Year: 2024, Volume and Issue: 9(5)
Published: May 1, 2024
Ultrafast laser sources in the far ultraviolet (100–300 nm) have been subject of intense experimental efforts for several decades, driven primarily by requirements advanced experiments ultrafast science. Resonant dispersive wave emission from high-energy pulses undergoing soliton self-compression a gas-filled hollow capillary fiber promises to meet these first time, most importantly combining wide-ranging wavelength tuneability with generation extremely short pulses. In this Perspective, we give an overview approach far-ultraviolet sources, including its historical origin and underlying physical mechanism, state art current challenges, our view potential applications both within beyond
Language: Английский
Citations
5
Optics Communications, Journal Year: 2023, Volume and Issue: 555, P. 130191 - 130191
Published: Dec. 10, 2023
I review the historical observation and subsequent research on optical soliton dynamics in gas-filled hollow-core fibres. include both large-core hollow capillary fibres, photonic-crystal or microstructured fibres with smaller cores, particular photonic bandgap antiresonant guiding discuss how guidance properties of these different fibre structures influence that can be obtained. The consider include: propagation at peak power levels ranging from megawatt to terawatt level, pulse energies sub-microjoule millijoule range; self-compression, leading sub-cycle sub-femtosecond duration; self-frequency shifting due Raman effect, photoionisation plasma formation; resonant dispersive wave emission, generation tuneable few-femtosecond pulses across vacuum deep ultraviolet, visible, near-infrared spectral regions.
Language: Английский
Citations
10
Optical and Quantum Electronics, Journal Year: 2023, Volume and Issue: 55(13)
Published: Oct. 17, 2023
Abstract A novel photonic crystal fiber (PCF) design is proposed and analyzed with highly negative dispersion for THz applications. The reported PCF has TOPAS background material due to its low loss in regime. Further, dual porous cores are constructed selectively infiltrated liquid (LC) control the characteristics of PCF. basic operation suggested core LCPCF (DC-LCPCF) depends on optical coupling between supported modes two regions regime achieve high fundamental polarizations: transverse electric (TE) magnetic (TM). can be switched TE TM by applying an external field LC via metallic electrodes. full vectorial finite element method (FVFEM) utilized study DC-LCPCF structure. obtained results reveal that have large chromatic dispersions − 44.57 ps/THz/cm 30.59 at frequencies 0.386 0.4027 THz, respectively. So, it will a solution further innovation devices
Language: Английский
Citations
4
Optics Letters, Journal Year: 2024, Volume and Issue: 49(11), P. 3090 - 3090
Published: May 2, 2024
Tunable ultrashort pulses in the ultraviolet spectral region are great demand for a wide range of applications, including spectroscopy and pump–probe experiments. While laser sources capable producing such exist, they typically very complex. Notably, resonant dispersive-wave (RDW) emission has emerged as simple technique generating pulses. However, required pulse energy used to drive RDW emission, so far, is mostly at microjoule level, requiring complicated expensive pump sources. Here, we present our work on lowering threshold tuneable deep level tens nanojoules. We fabricated record small-core antiresonant fiber with hollow-core diameter just 6 μm. When filled argon, small mode area enables higher-order soliton propagation (220 270 nm) from 36 fs 515 nm lowest reported date (tens nanojoules). This approach will allow use low-cost compact oscillators nonlinear optics gas-filled fibers first time knowledge.
Language: Английский
Citations
1
Published: Jan. 18, 2024
We have lowered the pump energy threshold for generation of tuneable deep-ultraviolet pulses to tens nano-joules level by pumping a record small-core anti-resonant fiber with hollow core diameter just 6 μm.
Language: Английский
Citations
0
Published: Jan. 18, 2024
We have lowered the pump energy threshold for generation of tuneable deep-ultraviolet pulses to tens nano-joules level by pumping a record small-core anti-resonant fiber with hollow core diameter just 6 μm.
Language: Английский
Citations
0
Published: April 10, 2024
We have lowered the pump energy threshold for generation of tuneable deep-ultraviolet pulses to tens nano-joules level by pumping a record small-core anti-resonant fiber with hollow core diameter just 6 μm.
Language: Английский
Citations
0
Published: Jan. 1, 2024
We provide a high-efficient, solid-based cascade compression technique from sub-200 fs to few-cycle regime with peak power increased over 10-fold. foresee this scheme enables high repetition rate pumping source for intense XUV generation.
Language: Английский
Citations
0
Published: May 28, 2024
We have lowered the pump energy threshold for generation of tuneable deep-ultraviolet pulses to tens nano-joules level by pumping a record small-core anti-resonant fiber with hollow core diameter just 6 μm.
Language: Английский
Citations
0
IEEE Journal of Selected Topics in Quantum Electronics, Journal Year: 2024, Volume and Issue: 30(6: Advances and Applications), P. 1 - 9
Published: June 28, 2024
Language: Английский
Citations
0