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A Novel Arm-Length Stabilization Scheme for Gravitational-Wave Detectors with AlGaAs/GaAs Coated Mirrors
Jian Liu, Juntao Pan, Carl Blair +7
The arm length stabilisation system is employed in gravitational-wave detectors to reduce the velocity of the mirrors such that the arm cavities can be brought onto resonance in a…
Modeling Light Propagation and Amplification Efficiency in Highly Multimode, Yb-doped Fiber Amplifiers
D. L. Smith, K. Wisal, B. Huang +5
Multimode fibers have been proposed for mitigating nonlinear effects in high-power fiber amplifiers, allowing for significant power scaling. Most previous studies on light propagat…
Understanding the temperature conditions for controlled splicing between silica and fluoride fibers
Antreas Theodosiou, Ori Henderson-Sapir, Yauhen Baravets +5
This study explores the efficacy of thermal splicing conditions between silica and zirconium-fluoride fibers, focusing on achieving mechanical strength between the two fibers. A co…
Harnessing the power of complex light propagation in multimode fibers for spatially resolved sensing
D. L. Smith, L. V. Nguyen, M. I. Reja +4
The propagation of coherent light in multimode optical fibers results in a speckled output that is both complex and sensitive to environmental effects. These properties can be a po…
Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
Chun-Wei Chen, Linh V. Nguyen, Kabish Wisal +9
The key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonli…
Observing the optical modes of parametric instability
Mitchell Schiworski, Vladimir Bossilkov, Carl Blair +4
Parametric Instability (PI) is a phenomenon that results from resonant interactions between optical and acoustic modes of a laser cavity. This is problematic in gravitational wave…