Analysis of ring launching scheme using hollow optical fibre mode converter for 10 Gbps multimode fibre communication

C. A. Bunge, S. Choi, K. Oh

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


A ring launching scheme using a mode converter based on hollow optical fibre (HOF) is theoretically investigated for the purpose of increasing bandwidth for multimode Gigabit Ethernet communication. The mode converter based on HOF transforms the fundamental mode of a single-mode fibre (SMF) to a ring-shaped mode. It has the characteristic to improve the bandwidth by exciting higher-order modes of the multimode fibre (MMF) selectively. The HOF launch is studied under various aspects such as induced coupling efficiency, mode power distribution, and bandwidth-length product and is compared to centre and offset launching schemes. It is shown that the ring launching scheme is expected to support 10-Gb Ethernet applications using conventional multimode fibres.

Original languageEnglish
Pages (from-to)48-58
Number of pages11
JournalOptical Fiber Technology
Issue number1
Publication statusPublished - 2006 Jan

Bibliographical note

Funding Information:
* Corresponding author. Fax: +49 30 314 24 626. E-mail addresses:, (C.-A. Bunge). 1 Present address: LG Production Engineering Research Center, 19-1 Cheongho-ri, Jinwuy-myun, Pyungtaek-si, Kyunggi-do 451-713, South Korea. 2 Supported in part by the Korea Science and Engineering Foundation (KOSEF) through the Ultrafast Fiber-Optic Networks (UFON) Research Center, the Korean Ministry of Education through the BK21 Program, and the Korean Information and Communications through ITRC-CHOAN Program, South Korea.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Control and Systems Engineering
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Electrical and Electronic Engineering


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