Journal
OPTICS LETTERS
Volume 39, Issue 20, Pages 5977-5980Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.005977
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Funding
- Defense Advanced Research Projects Agency (DARPA) E-PHI projects [HR0011-12-2-0007]
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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 different orbital angular momenta have been generated. In addition, the generated OAM wavefronts are experimentally identified by interfering with another on-chip generated Gaussian beam, opening up opportunities of integrating conventional optical systems and functionalities on to a silicon chip. (C) 2014 Optical Society of America
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