Orbital angular momentum vertical-cavity surface-emitting lasers

Huanlu  Li; David B.  Phillips; Xuyang  Wang; Ying-Lung Daniel Ho; Lifeng  Chen; Xiaoqi  Zhou; Jiangbo Zhu; Siyuan  Yu; Xinlun  Cai

doi:10.1364/OPTICA.2.000547

Orbital angular momentum vertical-cavity surface-emitting lasers

Huanlu Li, David B. Phillips , Xuyang Wang, Ying-Lung Daniel Ho, Lifeng Chen, Xiaoqi Zhou, Jiangbo Zhu, Siyuan Yu, Xinlun Cai

Research output: Contribution to journal › Article › peer-review

119 Citations (Scopus)

Abstract

Harnessing the orbital angular momentum (OAM) of light is an appealing approach to developing photonic technologies for future applications in optical communications and high-dimensional quantum key distribution (QKD) systems. An outstanding challenge to the widespread uptake of the OAM resource is its efficient generation. In this work we design a new device that can directly emit an OAM-carrying light beam from a low-cost semiconductor laser. By fabricating micro-scale spiral phase plates within the aperture of a vertical-cavity surface-emitting laser (VCSEL), the linearly polarized Gaussian beam emitted by the VCSEL is converted into a beam carrying specific OAM modes and their superposition states, with high efficiency and high beam quality. This new approach to OAM generation may be particularly useful in the field of OAM-based optical and quantum communications, especially for short-reach data
interconnects and QKD.

Original language	English
Pages (from-to)	547-552
Number of pages	6
Journal	Optica
Volume	2
Issue number	6
Early online date	4 Jun 2015
DOIs	https://doi.org/10.1364/OPTICA.2.000547
Publication status	Published - 20 Jun 2015
Externally published	Yes

Keywords

Optical vortices
Vertical cavity surface emitting lasers
) Integrated optics devices
Laser beam shaping

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Cite this

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title = "Orbital angular momentum vertical-cavity surface-emitting lasers",

abstract = "Harnessing the orbital angular momentum (OAM) of light is an appealing approach to developing photonic technologies for future applications in optical communications and high-dimensional quantum key distribution (QKD) systems. An outstanding challenge to the widespread uptake of the OAM resource is its efficient generation. In this work we design a new device that can directly emit an OAM-carrying light beam from a low-cost semiconductor laser. By fabricating micro-scale spiral phase plates within the aperture of a vertical-cavity surface-emitting laser (VCSEL), the linearly polarized Gaussian beam emitted by the VCSEL is converted into a beam carrying specific OAM modes and their superposition states, with high efficiency and high beam quality. This new approach to OAM generation may be particularly useful in the field of OAM-based optical and quantum communications, especially for short-reach datainterconnects and QKD.",

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AU - Li, Huanlu

AU - Phillips , David B.

AU - Wang, Xuyang

AU - Ho, Ying-Lung Daniel

AU - Chen, Lifeng

AU - Zhou, Xiaoqi

AU - Zhu, Jiangbo

AU - Yu, Siyuan

AU - Cai, Xinlun

PY - 2015/6/20

Y1 - 2015/6/20

N2 - Harnessing the orbital angular momentum (OAM) of light is an appealing approach to developing photonic technologies for future applications in optical communications and high-dimensional quantum key distribution (QKD) systems. An outstanding challenge to the widespread uptake of the OAM resource is its efficient generation. In this work we design a new device that can directly emit an OAM-carrying light beam from a low-cost semiconductor laser. By fabricating micro-scale spiral phase plates within the aperture of a vertical-cavity surface-emitting laser (VCSEL), the linearly polarized Gaussian beam emitted by the VCSEL is converted into a beam carrying specific OAM modes and their superposition states, with high efficiency and high beam quality. This new approach to OAM generation may be particularly useful in the field of OAM-based optical and quantum communications, especially for short-reach datainterconnects and QKD.

AB - Harnessing the orbital angular momentum (OAM) of light is an appealing approach to developing photonic technologies for future applications in optical communications and high-dimensional quantum key distribution (QKD) systems. An outstanding challenge to the widespread uptake of the OAM resource is its efficient generation. In this work we design a new device that can directly emit an OAM-carrying light beam from a low-cost semiconductor laser. By fabricating micro-scale spiral phase plates within the aperture of a vertical-cavity surface-emitting laser (VCSEL), the linearly polarized Gaussian beam emitted by the VCSEL is converted into a beam carrying specific OAM modes and their superposition states, with high efficiency and high beam quality. This new approach to OAM generation may be particularly useful in the field of OAM-based optical and quantum communications, especially for short-reach datainterconnects and QKD.

KW - Optical vortices

KW - Vertical cavity surface emitting lasers

KW - ) Integrated optics devices

KW - Laser beam shaping

U2 - 10.1364/OPTICA.2.000547

DO - 10.1364/OPTICA.2.000547

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JO - Optica

JF - Optica

IS - 6

ER -

Orbital angular momentum vertical-cavity surface-emitting lasers

Abstract

Keywords

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