Results 21 to 30 of about 318,441 (330)
Fiber-Coupled Ultra-High-Q Microresonators for Nonlinear and Quantum Optics [PDF]
, 2004 The ability to confine optical energy in small volumes for long periods of time is desirable for a number of applications, ranging from photonics and nonlinear optics, to fundamental studies in quantum electrodynamics.
Spillane, Sean Michael
core +1 more source
, 2020 Increasing experimental evidence and theoretical results verify that the non-Kolmogorov property and anisotropy are both exhibited in the atmospheric turbulence.
Chao Zhai
semanticscholar +1 more source
Investigation on the Coupling of Vortex Beam Into Parabolic Fiber in Turbulent Atmosphere
IEEE Photonics Journal, 2019 Aiming at the demand for high-capacity wireless-fiber link, the coupling efficiency of Laguerre Gaussian (LG) vortex beam into parabolic fiber under atmospheric turbulence is first investigated.
Lin Yu, Yixin Zhang
doaj +1 more source
Photonics, 2022 Symmetric narrow waveguide structure has been developed and fabricated to achieve low beam divergence and improved coupling performance of the 1.95 μm GaSb-based single-transverse-mode diode lasers.
Tianfang Wang +9 more
doaj +1 more source
Characteristics of Coupling Degradation Tolerances for Single-Mode Optical Fiber [PDF]
Engineering and Technology Journal, 2009 The coupling tolerances is considered as an important parameters for the opticaldesigner and it can not be ignored. Since the coupling efficiency is affected by thedisplacement of the optical components during the thermal expansion and theassembling ...
Ali H. Al-Hamdani +2 more
doaj +1 more source
1kW fiber-coupled pump-module at 976nm with 50% efficiency
Optics Express, 2017 We present a fiber-coupled pump-module emitting more than 1kW of mode-stripped power at 976nm from a detachable 225µm, 0.22NA fiber. The electrical-to-optical efficiency at 1kW is ~50%. Six of these pump modules attached to a (6 + 1):1 multimode combiner enable a 5-6kW, single-mode, Yb-doped fiber amplifier.
R H, Chin +4 more
openaire +2 more sources
Adaptive stochastic parallel gradient descent approach for efficient fiber coupling
Optics Express, 2020 In high-speed free-space optical communication systems, the received laser beam must be coupled into a single-mode fiber at the input of the receiver module. However, propagation through atmospheric turbulence degrades the spatial coherence of a laser beam and poses challenges for fiber coupling.
Qintao, Hu +5 more
openaire +2 more sources
Experimental Research on Automatic Alignment and Control Algorithm of Spatial Light-Fiber Coupling
International Journal of Optics, 2021 This study aims to solve the difficulties in the coupling between space light and single-mode fiber (SMF) in free-space optical communication. A fiber coupler based on two-dimensional (2D) piezoelectric ceramics was developed, which uses the stochastic ...
Xizheng Ke, Benkang Yin
doaj +1 more source
Optics Express, 2018 The fiber coupling efficiency between the turbulent ocean to fiber of a partially coherent Gaussian beam propagating through the weak to strong anisotropic oceanic turbulence is studied.
Beibei Hu, Yi-xin Zhang, Yun Zhu
semanticscholar +1 more source
IEEE Photonics Journal, 2023 In fiber-based optical receivers such as coherent receiver, the optical signal reaching the receiver's aperture is coupled to the optical fiber through a set of lenses.
Woohyeon Moon, Hoon Kim
doaj +1 more source