Towards ultimate high-power scaling: Coherent beam combining of fiber lasers

H Fathi, M Närhi, R Gumenyuk - Photonics, 2021‏ - mdpi.com
Fiber laser technology has been demonstrated as a versatile and reliable approach to laser
source manufacturing with a wide range of applicability in various fields ranging from …

[كتاب][B] Coherent laser beam combining

A Brignon - 2013‏ - books.google.com
Laser beam combining techniques allow increasing the power of lasers far beyond what it is
possible to obtain from a single conventional laser. One step further, coherent beam …

Near-unity uniformity and efficiency broadband meta-beam-splitter/combiner

S Hemayat, L Hsu, J Ha, A Ndao - Optics Express, 2023‏ - opg.optica.org
Subwavelength planar structured interfaces, also known as metasurfaces, are ultra-thin
optical elements modulating the amplitude, phase, and polarization of incident light using …

Progress in high-power continuous-wave quantum cascade lasers

P Figueiredo, M Suttinger, R Go, E Tsvid, CKN Patel… - Applied …, 2017‏ - opg.optica.org
Multi-watt continuous-wave room temperature operation with efficiency exceeding 10% has
been demonstrated for quantum cascade lasers essentially in the entire mid-wave and long …

Spectral beam combining of discrete quantum cascade lasers

Z Gu, J Zhang, S Zhai, N Zhuo, S Liu, J Liu… - Optical and Quantum …, 2021‏ - Springer
In this paper, we report a spectral beam combining technique based on discrete quantum
cascade lasers at λ~ 4.8 μm. Good beam qualities of M 2< 1.3 for both fast and slow axes …

External-cavity beam combining of 4-channel quantum cascade lasers

Y Zhao, JC Zhang, YH Zhou, ZW Jia, N Zhuo… - Infrared Physics & …, 2017‏ - Elsevier
We demonstrate an external-cavity (EC) beam combining of 4-channel quantum cascade
lasers (QCLs) with an output coupler which makes different QCL beams propagating …

Active coherent beam combination of two high-power<? A3B2 show [pmg: line-break justify=" yes"/]?> single-frequency nanosecond fiber amplifiers

R Su, P Zhou, X Wang, Y Ma, X Xu - Optics letters, 2012‏ - opg.optica.org
We report on active coherent beam combining of two single-frequency nanosecond fiber
amplifiers by using stochastic parallel gradient descent algorithm. Each fiber amplifier …

Rear-side resonator architecture for the passive coherent combining of high-brightness laser diodes

G Schimmel, I Doyen-Moldovan, S Janicot, M Hanna… - Optics letters, 2016‏ - opg.optica.org
We describe a new coherent beam combining architecture based on passive phase locking
of emitters in an extended cavity on the rear facet and their coherent combination on the …

Numerical analyses of a mid-IR metasurface spectral beam combiner with high efficiency and low phase distortion

L Yang, X Wang, X Li, L Dong - Optics Express, 2025‏ - opg.optica.org
Mid-infrared lasers have been widely used in chem/bio-sensing, medical diagnostics,
environmental monitoring, and defense. These applications frequently require broad …

High power spectral beam combining based on four long-wave infrared quantum cascade laser emitters

M He, Y Zheng, J Chen, Z Li, J Wang, X Wang - Optics & Laser Technology, 2025‏ - Elsevier
In this study, we experimentally investigate spectral beam combining based on four long-
wave infrared quantum cascade lasers (QCLs) with three dichroic mirrors. The coating …