臺灣國際科展

The Development of an Orbital Angular Momentum Sorter for TransferHigh-Speed Data Transfer

科展類別
臺灣國際科展
屆次
2006年
科別
物理科
得獎情形
第二名
學校名稱
Herricks Hish School
指導老師
Karen J. Hughes
作者
Amol Jain

摘要或動機

An orbital angular momentum (OAM) sorter concept was designed for high-speed data transfer. The OAM of a light beam known as an optical vortex can exist in one of an infinite number of states and may be used to carry information. The augmented alphabet of states carries the potential to increase date transfer speeds over conventional binary (0 and 1) methods. A vortex generator, or OAM encoder , was constructed from a slit cover slip functioning as an adjustable spiral phase plate, and a vortex analyzer, or OAM measurer, was created using a transparent print of a computer-generated hologram. The two components were then incorporated in an OAM sorter concept that that employs a novel combinatoric method for sorting data. The vortex generator and analyzer created were inexpensive simpli-fications of previous devices and have the potential to increase the alphabet of transmission states several thousand times over binary methods if implemented in the OAM sorter concept.


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The Development of an Orbital Angular Momentum Sorter for TransferHigh-Speed Data Transfer 122 KB Adobe Reader(Pdf)檔案