The role and challenges of free-space optical systems
S Chaudhary, A Amphawan - Journal of Optical Communications, 2014 - degruyter.com
Complementing wireless radio networks with free-space optics (FSO) achieves high data
rates by modulating radio subcarriers over an optical carrier without expensive optical fiber …
rates by modulating radio subcarriers over an optical carrier without expensive optical fiber …
Free-space quantum key distribution by rotation-invariant twisted photons
Abstract “Twisted photons” are photons carrying a well-defined nonzero value of orbital
angular momentum (OAM). The associated optical wave exhibits a helical shape of the …
angular momentum (OAM). The associated optical wave exhibits a helical shape of the …
Adaptive-optics-based simultaneous pre-and post-turbulence compensation of multiple orbital-angular-momentum beams in a bidirectional free-space optical link
As a recently explored property of light, orbital angular momentum (OAM) has potential in
enabling multiplexing of multiple data-carrying beams, to increase the transmission capacity …
enabling multiplexing of multiple data-carrying beams, to increase the transmission capacity …
[HTML][HTML] Fast electrical switching of orbital angular momentum modes using ultra-compact integrated vortex emitters
The ability to rapidly switch between orbital angular momentum modes of light has important
implications for future classical and quantum systems. In general, orbital angular momentum …
implications for future classical and quantum systems. In general, orbital angular momentum …
Free-space coherent optical communication with orbital angular, momentum multiplexing/demultiplexing using a hybrid 3D photonic integrated circuit
We demonstrate free-space space-division-multiplexing (SDM) with 15 orbital angular
momentum (OAM) states using a three-dimensional (3D) photonic integrated circuit (PIC) …
momentum (OAM) states using a three-dimensional (3D) photonic integrated circuit (PIC) …
Adaptive optics compensation of multiple orbital angular momentum beams propagating through emulated atmospheric turbulence
We propose an adaptive optics compensation scheme to simultaneously compensate
multiple orbital angular momentum (OAM) beams propagating through atmospheric …
multiple orbital angular momentum (OAM) beams propagating through atmospheric …
2x20 Gbps-40 GHz OFDM Ro-FSO transmission with mode division multiplexing
A Amphawan, S Chaudhary… - Journal of the European …, 2014 - repo.uum.edu.my
Radio-over-Free-Space-Optics (Ro-FSO) is a promising technology for future wireless
networks. In this work, we have designed a hybrid orthogonal frequency division …
networks. In this work, we have designed a hybrid orthogonal frequency division …
Generating and identifying optical orbital angular momentum with silicon photonic circuits
Here, we propose and demonstrate a silicon nanophotonic phased array that is capable of
generating light carrying optical orbital angular momentum (OAM). Optical beams carrying …
generating light carrying optical orbital angular momentum (OAM). Optical beams carrying …
Adaptive control of waveguide modes in a two-mode-fiber
We experimentally demonstrate an adaptive-optics-based approach that allows selective
excitation of waveguide modes and their mixtures in a two-mode fiber (TMF). A phase-only …
excitation of waveguide modes and their mixtures in a two-mode fiber (TMF). A phase-only …
大气湍流对拉盖尔-高斯光束传播质量的影响
杨春勇， 张文， 丁丽明， 侯金， 陈少平 - 光电子. 激光, 2014 - cqvip.com
为了从系统的角度研究大气湍流对涡旋光束传播质量的影响, 根据广义惠更斯-菲涅尔积分和
Kolmogorov 湍流大气原理, 利用傅里叶光学分析方法和光束分步传播法对携带有轨道角动量 …
Kolmogorov 湍流大气原理, 利用傅里叶光学分析方法和光束分步传播法对携带有轨道角动量 …