English
Related papers

Related papers: Electrically Pumped Orbital Angular Momentum (OAM)…

200 papers

The orbital angular momentum (OAM) of light is a versatile degree of freedom with transformative impact across optical communication, imaging, and micromanipulation. These applications have motivated a growing demand for compact,…

Quantum networks are the ultimate target in quantum communication, where many connected users can share information carried by quantum systems. The keystones of such structures are the reliable generation, transmission and manipulation of…

Vector vortex beams simultaneously carrying spin and orbital angular momentum of light promise additional degrees of freedom for modern optics and emerging resources for both classical and quantum information technologies. The inherently…

We present an approach for measuring the orbital angular momentum (OAM) of light tailored towards applications in spectroscopy and non-integer OAM values. It is based on the OAM sorting method (Berkhout et al., Phys. Rev. Lett. 105, 153601…

Optics · Physics 2018-12-05 Bernd Berger , Marius Kahlert , Daniel Schmidt , Marc Aßmann

Orbital angular momentum (OAM) light beams for high-order harmonic generation (HHG) provide an additional degree of freedom to study the light-matter interaction at ultrafast timescales. A more sophisticated configuration is a perfect…

Optics · Physics 2024-10-01 Bikash Kumar Das , C. Granados , M. Krüger , Marcelo F. Ciappina

The extensive data interaction demands of an immersive metaverse necessitate the adoption of emerging technologies to enable high-capacity communication. Vortex electromagnetic waves with different orbital angular momentum (OAM) modes are…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Hongyun Jin , Wenchi Cheng , Jingqing Wang , Wei Zhang

Orbital angular momentum (OAM) carried by helical light beams is an unbounded degree of freedom of photons that offers a promising playground in modern photonics. So far, integrated sources of coherent light carrying OAM are based on…

The performance of laser-based active sensing has been severely limited by two types of noise: electrical noise, stemming from elements; optical noise, laser jamming from an eavesdropper and background from environment. Conventional methods…

The existing intense laser-based approaches for nuclear excitation offer ultrafast temporal resolution and high efficiency compared to traditional accelerator probes. However, controlling nuclear properties such as spin and magnetic moment…

Nuclear Theory · Physics 2025-03-18 Zhi-Wei Lu , Hanxu Zhang , Tao Li , Mamutjan Ababekri , Xu Wang , Jian-Xing Li

Multiplexing multiple orbital angular momentum (OAM) modes of light has the potential to increase data capacity in optical communication. However, the distribution of such modes over long distances remains challenging. Free-space…

Optics · Physics 2022-01-19 Yifan Liu , Zhisen Zhang , Panpan Yu , Yijing Wu , Ziqiang Wang , Yinmei Li , Wen Liu , Lei Gong

Breaking the diffraction limit and focusing laser beams to subwavelength scale are becoming possible with the help of recent developments in plasmonics. Such subwavelength focusing bridges different length scales of laser beams and matter.…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 Hiroyuki Fujita , Masahiro Sato

In this diploma thesis we study the characteristics of electromagnetic fields carrying orbital angular momentum (OAM) by analyzing and utilizing results achieved in optics and then apply them to the radio domain to enable innovative radio…

Classical Physics · Physics 2009-05-05 Johan Sjöholm , Kristoffer Palmer

Optical orbital angular momentum (OAM), as an important degree of freedom of light, has been attracted extensive attention, due to its intrinsic feature of natural discrete infinite dimension. Manipulation of OAM spectra is crucial for many…

Light carrying orbital angular momentum (OAM) has great potential in enhancing the information channel capacity in both classical and quantum optical communications. Long distance optical communication requires the wavelengths of light are…

Quantum Physics · Physics 2016-02-03 Zhi-Yuan Zhou , Yan Li , Dong-Sheng Ding , Wei Zhang , Shuai Shi , Bao-Sen Shi , Guang-Can Guo

Orbital angular momentum (OAM) of light appears when the phase of an electromagnetic wavefront winds around its direction of propagation, also known as optical vorticity. Contrary to the binary-valued photon spin, the integer-valued optical…

Mesoscale and Nanoscale Physics · Physics 2025-02-06 Zuzanna Werner , Andrzej Frączak , Valtýr Kári Daníelsson , Jacek Szczytko , Barbara Piętka , Helgi Sigurðsson

The physics of coherent beams of photons carrying axial orbital angular momentum (OAM) is well understood and such beams, sometimes known as vortex beams, have found applications in optics and microscopy. Recently electron beams carrying…

Quantum Physics · Physics 2015-06-04 Gregg M. Gallatin , Ben McMorran

We show that optical beams with orbital angular momentum (OAM) can be generated even with incomplete computer generated holograms (CGH). These holograms are made such that random portions of it do not contain any information. We observe…

Conventionally, intrinsic orbital angular momentum (OAM) is associated with phase vortices. However, our investigation into the propagation dynamics of 2D superimposed catastrophe beams, termed cyclone catastrophe beams (CCBs), reveals that…

The orbital angular momentum (OAM) technique provides a new degree of freedom for information transmissions in millimeter wave communications. Considering the spatial distribution characteristics of OAM beams, a new OAM spatial modulation…

Networking and Internet Architecture · Computer Science 2016-12-19 Xiaohu Ge , Ran Zi , Xusheng Xiong , Qiang Li , Liang Wang

In this letter, we investigate the effect of orbital angular momentum (OAM) on elastic photon-photon scattering in vacuum for the first time. We define exact solutions to the vacuum electro-magnetic wave equation which carry OAM. Using…