4.6 Article

Orbital angular momentum beam excitation using an all-fiber weakly fused mode selective coupler

Journal

OPTICS LETTERS
Volume 42, Issue 21, Pages 4347-4350

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.42.004347

Keywords

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Funding

  1. Marie Curie International Research Scholar Exchange Scheme (IRSES) [PIRSES-GA-2012-318941]
  2. Asian Office of Aerospace RD [FA2386-16-1-4077]
  3. Department of Science and Technology-India [YSS/2015/000713]
  4. Office of Naval Research (ONR) MURI [N00014-13-1-0627]
  5. Engineering and Physical Sciences Research Council (EPSRC) [EP/L01243X/1]
  6. National Science Foundation (NSF) [DGE-1247312, ECCS-1610190]
  7. Directorate For Engineering
  8. Div Of Electrical, Commun & Cyber Sys [1610190] Funding Source: National Science Foundation
  9. Engineering and Physical Sciences Research Council [EP/L01243X/1] Funding Source: researchfish
  10. EPSRC [EP/L01243X/1] Funding Source: UKRI

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Orbital angular momentum beam excitation through direct phase-matched coupling is experimentally demonstrated using an all-fiber weakly fused mode selective coupler consisting of a single-mode fiber and a ring-core fiber. Experimental results showing the excited OAM mode purity of up to 75% measured through the standard ring technique not only demonstrate the proof of concept but also provide a baseline for further improvement. (C) 2017 Optical Society of America

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