High-beam-quality photonic-crystal lasers
Web15 de jun. de 2024 · A passively Q-switched Yb:YAG/Cr:YAG laser pumped by a photonic-crystal surface-emitting laser (PCSEL) was developed. Yb:YAG crystal was … Web7 de out. de 2024 · A GaN-based PCSEL can realize high-power, high-beam-quality operation owing to broad-area coherent oscillation at a singularity (e.g., Γ) point of its two …
High-beam-quality photonic-crystal lasers
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WebOptical resonant cavities with high quality factor (Q-factor) are widely used in science and technology for their capabilities of strong confinement of light and enhanced light–matter … Web14 de abr. de 2024 · A randomly rotated glass slice is inserted before each source to randomise the phase of the laser pulse before hitting on the sandwich crystal. PBS polarisation beam splitter, HWP half-wave plate ...
WebOptical resonant cavities with high quality factor (Q-factor) are widely used in science and technology for their capabilities of strong confinement of light and enhanced light–matter interaction. The 2D photonic crystal structure with bound states in the continuum (BICs) is a novel concept for resonators with ultra-compact device size, which can be used to …
Web30 de mar. de 2024 · Photonic-crystal surface-emitting lasers (PCSELs) show promise for such applications due to their ability to produce high-quality beams without requiring … Web10 de abr. de 2024 · Band structures of the photonic crystal slabs play a significant role in manipulating the flow of light and predicting exotic physics in photonics. In this Letter, we show that the key features of ...
Web21 de jun. de 2024 · The photonic-crystal surface-emitting laser is a new-generation semiconductor laser capable of emitting a high-power, high-quality (i.e., high …
Web26 de fev. de 2024 · Photonic crystal fiber (PCF) technology has radically impacted the scientific and industrial ultrafast laser market. Reducing platform dimensions are important to decrease cost and footprint while maintaining high optical efficiency. We present our recent work on short 85 μm core ROD-type fiber amplifiers that maintain single-mode … north greenville university softball campWebRecent progress in photonic crystal lasers is described. 10W-class high-power and high-beam quality (M2~2) operation is successfully demonstrated using InGaAs/GaAs … north greenville university softball liveWebIn this study, GaN-based photonic quasi-crystal surface emitting lasers (PQCSELs) operated at different Γ band-edge modes were fabricated and investigated. The photonic quasi-crystal patterns were defined by utilizing electron-beam lithography and inductively coupled plasma etching. Distinctive higher order Γ band-edge lasing modes were … how to say god bless in hawaiianWebThe experimental setup for the proposed photonic crystal rod-based high-performance femtosecond fiber CPA laser system is schematically shown in Figure 1. ... Large dispersion-managed broadband high-energy fiber femtosecond laser system with sub 300 fs pulses and high beam quality output. Optics & Laser Technology, Vol. 157, Issue. , … how to say gochisousamaWebPhotonic-crystal surface-emitting lasers (PCSELs) use the two-dimensional (2D) resonance at the band-edge of a photonic crystal for lasing, and they feature various outstanding functionalities such as high-brightness lasing, arbitrary shaping of beam patterns and on-chip 2D beam steering. In this paper, to investigate the applicability of … how to say god be with you in spanishWeb13 de abr. de 2024 · Fabrication and characterization of tapered photonic crystal fiber for ... While they exhibit a very good efficiency and exceptionally high damage threshold … how to say god bless in islamWebWe demonstrate high-power continuous-wave (CW) lasing oscillation of 1.3-µm wavelength InP-based photonic-crystal surface-emitting lasers (PCSELs). Single-mode operation with an output power of over 100 mW, a side-mode suppression ratio (SMSR) of over 50 dB, and a narrow single-lobe beam with a divergence angle of below 1.2° are … how to say god bless in arabic