Pattern manipulation via on-chip phase modulation between orbital angular momentum beams

Huanlu Li, Michael J. Strain, Laura Meriggi, Lifeng Chen, Jiangbo Zhu, Kenan Cicek, Jianwei Wang, Xinlun Cai, Marc Sorel, Mark G. Thompson, Siyuan Yu

Research output: Contribution to journalArticle

4 Citations (Scopus)
165 Downloads (Pure)

Abstract

An integrated approach to thermal modulation of relative phase between two optical vortices with opposite chirality has been demonstrated on a silicon-on-insulator substrate. The device consists of a silicon-integrated optical vortex emitter and a phase controlled 3 dB coupler. The relative phase between two optical vortices can be actively modulated on chip by applying a voltage on the integrated heater. The phase shift is shown to be linearly proportional to applied electrical power, and the rotation angle of the interference pattern is observed to be inversely proportional to topological charge. This scheme can be used in lab-on-chip, communications and sensing applications. It can be intentionally implemented with other modulation elements to achieve more complicated applications.

Original languageEnglish
Article number051102
Number of pages4
JournalApplied Physics Letters
Volume107
Issue number5
DOIs
Publication statusPublished - 3 Aug 2015

Fingerprint

phase modulation
manipulators
angular momentum
chips
vortices
orbitals
modulation
silicon
chirality
heaters
couplers
emitters
phase shift
communication
insulators
interference
electric potential

Keywords

  • on-chip phase modulation
  • lab-on-chip
  • optical vortices
  • pattern manipulation
  • angular momentum

Cite this

Li, Huanlu ; Strain, Michael J. ; Meriggi, Laura ; Chen, Lifeng ; Zhu, Jiangbo ; Cicek, Kenan ; Wang, Jianwei ; Cai, Xinlun ; Sorel, Marc ; Thompson, Mark G. ; Yu, Siyuan. / Pattern manipulation via on-chip phase modulation between orbital angular momentum beams. In: Applied Physics Letters. 2015 ; Vol. 107, No. 5.
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Li, H, Strain, MJ, Meriggi, L, Chen, L, Zhu, J, Cicek, K, Wang, J, Cai, X, Sorel, M, Thompson, MG & Yu, S 2015, 'Pattern manipulation via on-chip phase modulation between orbital angular momentum beams', Applied Physics Letters, vol. 107, no. 5, 051102. https://doi.org/10.1063/1.4927758

Pattern manipulation via on-chip phase modulation between orbital angular momentum beams. / Li, Huanlu; Strain, Michael J.; Meriggi, Laura; Chen, Lifeng; Zhu, Jiangbo; Cicek, Kenan; Wang, Jianwei; Cai, Xinlun; Sorel, Marc; Thompson, Mark G.; Yu, Siyuan.

In: Applied Physics Letters, Vol. 107, No. 5, 051102, 03.08.2015.

Research output: Contribution to journalArticle

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