Misalignment tolerance of pluggable ballpoint-pen interconnect of graded-index plastic optical fiber for 4K/8K UHD display

Azusa Inoue, Yasuhiro Koike

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We investigate the influence of launching conditions on misalignment tolerance of pluggable ballpoint-pen interconnects, where graded-index plastic optical fibers (GI POFs) are coupled with ball lenses mounted on their end faces. The lateral-misalignment tolerance of the ballpoint-pen connector decreased with an increase in the driving current of a vertical cavity surface emitting laser (VCSEL) under the center launching condition. This was attributed to the VCSEL multimode oscillation, which increased the connector coupling loss through the higher-order guided mode launching in the GI POF and the resulting output beam expansion in the ballpoint-pen connector. The driving-current dependence of the connector coupling loss could be decreased using offset launchings. For a radial launching offset of 20 μm, we could obtain coupling losses below 1 dB for lateral coupling offsets of ±50 μm with little dependence on the driving current. This suggests that data transmission quality for misaligned connection of the GI POFs can be improved further by optimizing launching systems for the ballpoint-pen interconnects.

Original languageEnglish
Pages (from-to)1271-1276
Number of pages6
JournalIEICE Transactions on Electronics
VolumeE99C
Issue number11
DOIs
Publication statusPublished - 2016 Nov 1

Fingerprint

Plastic optical fibers
Launching
Display devices
Surface emitting lasers
Data communication systems
Lenses

Keywords

  • 4K/8K UHD display
  • Ballpoint-pen interconnect
  • Graded-index plastic optical fiber
  • Pluggable optical cable

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Misalignment tolerance of pluggable ballpoint-pen interconnect of graded-index plastic optical fiber for 4K/8K UHD display. / Inoue, Azusa; Koike, Yasuhiro.

In: IEICE Transactions on Electronics, Vol. E99C, No. 11, 01.11.2016, p. 1271-1276.

Research output: Contribution to journalArticle

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