Results 1 to 10 of about 153,567 (180)

Efficient input and output fiber coupling to a photonic crystal waveguide [PDF]

Optics Letters, 2003
The efficiency of evanescent coupling between a silica optical fiber taper and a silicon photonic crystal waveguide is studied. A high reflectivity mirror on the end of the photonic crystal waveguide is used to recollect, in the backwards propagating ...
Barclay, Barclay, Kartik Srinivasan, Knight, Kuang, Matthew Borselli, Notomi, Oskar Painter, Paul E. Barclay, Yeh   +9 more
core   +4 more sources

Pixel-to-Pixel Fiber-Coupled Emissive Micro-Light-Emitting Diode Arrays [PDF]

IEEE Photonics Journal, 2009
We report on an integrated fiber-coupled bi-linear micro-light-emitting diode array, serving as a portable microdisplay system. The fiber bundle transforms the bi-linearly arranged optical signals from the emissive array into a 6-by-8 pixel microdisplay,
L. Zhu, C. W. Ng, N. Wong, K. K. Y. Wong, P. T. Lai, H. W. Choi   +5 more
doaj   +3 more sources

Research on Low Numerical Aperture 808 nm Fiber-Coupled Semiconductor Laser [PDF]

Micromachines
This article investigates fiber coupling techniques for low numerical aperture 808 nm semiconductor lasers. A coupling optical system combining fast-axis/slow-axis collimators (FAC/SAC) with a focusing lens was designed, achieving efficient coupling ...
Fei Lin, Qi Wu, Wei Luo, Yishui Lin, Zhaoxuan Zheng, Mingkun Yuan, Qizhi Zhang, Maodong Hu, Dongxin Xu, Guojun Liu, Yi Qu   +10 more
doaj   +2 more sources

Reliability Study of Fiber Coupling Efficiency of 980 nm Semiconductor Laser

Photonics
In order to improve the stability of semiconductor laser fiber coupling efficiency, based on the coupling principle, the optimal parameters for semiconductor laser fiber coupling were simulated to be θ = 45°, r = 3.25 μm, and z = 5.65 μm.
Gang Liu, Shuhao Pang, Xin Zhang, Mingzhi Tang, Lei Liang, Rui Li, Rui Huang   +6 more
doaj   +2 more sources

Fiber-optical switch controlled by a single atom [PDF]

, 2013
We demonstrate highly efficient switching of optical signals between two optical fibers controlled by a single atom. The key element of our experiment is a whispering-gallery mode bottle microresonator, which is coupled to a single atom and interfaced by
Junge, Christian, O'Shea, Danny, Rauschenbeutel, Arno, Volz, Jürgen   +3 more
core   +8 more sources

Optical Coupling Efficiency of a Coupler with Double-Combined Collimating Lenses and Thermally Expanded Core Fibers

Micromachines, 2022
Improving the coupling efficiency of two optical signals is a hot issue, where the efficiency of optical coupling has a significant effect on the signal transmission over the fiber link.
Qi He, Zhengang Zhao, Xiaoda Ye, Chuan Luo, Dacheng Zhang, Sifei Wang, Xiaoping Xu   +6 more
doaj   +1 more source

Research on Optical Fiber Ring Resonator Q Value and Coupling Efficiency Optimization

Micromachines, 2023
The coupling efficiency of the fiber ring resonator has an important influence on the scale factor of the resonant fiber gyroscope. In order to improve the scale factor of the gyroscope, the coupling efficiency of the fiber ring resonator and its ...
Shengkun Li, Xiaowen Tian, Sining Tian
doaj   +1 more source

Characteristic analysis of core radius, core refractive index, mismatched phase constant and coupling efficiency about 2 × 2 fiber directional coupler based on MATLAB

Results in Optics, 2022
When two parallel waveguides are close to each other, the power of the two adjacent waveguides will be periodically converted to form a directional coupled waveguide system ().
YuCheng Li, Yang Zhang, YongTian Li, YiFeng Wu   +3 more
doaj   +1 more source

Few-Mode Fiber Coupling Efficiency for Free-Space Optical Communication [PDF]

Journal of Lightwave Technology, 2021
8 pages, 8 ...
Xingjie Fan, Dawei Wang, Julian Cheng, Jingkai Yang, Jing Ma   +4 more
openaire   +2 more sources

High Efficiency Coupling Technology of Silicon Photonic Modulator and Single-Mode Optical Fiber

Guangtongxin yanjiu, 2021
Due to the small mode field of silicon photonic chips, the large coupling loss is a road-blocker for their applications. In this work, the coupling efficiency between a silicon photonic modulator chip and a single-mode optical fiber is investigated.
Zhong-xiang TAN, Yan-feng FU, Sheng-lei HU, Ning WANG, De-chuan ZHANG, Xi XIAO   +5 more
doaj   +1 more source