Fiber-optic transceiver module for high-speed intrasatellite networks

Veli Heikkinen, Teemu Alajoki, Eveliina Juntunen, Mikko Karppinen, Kari Kautio, Jukka-Tapani Mäkinen, Jyrki Ollila, Antti Tanskanen, Jaakko Toivonen, Rory Casey, Shane Scott, Wilhelm Pintzka, Sylvain Theriault, Iain McKenzie

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Abstract

High-speed intrasatellite networks are needed to interconnect units such as synthetic aperture radars, high-resolution cameras, and fast image-compression processors that produce data beyond gigabits per second. We have developed a fiber-optic link, named SpaceFibre, which operates up to 3.125 Gb/s and is compatible with the existing SpaceWire network. The link provides symmetrical, bidirectional, full-duplex, and point-to-point communication. It employs 850-nm vertical-cavity surface emitting lasers, radiation-hardened laser-optimized 50/125 mum graded-index fibers, and GaAs p-i-n photo diodes. The transceiver electronics is realized using a multilayer-ceramic-substrate technology that enables the passive alignment of optical fibers to active devices. The SpaceFibre link demonstrator was tested to transfer data at 2.5 Gb/s over 100 m with a bit error rate of less than 1.3middot10-14. Fiber-pigtailed modules were stressed with temperature variations from -40degC to +85degC, vibrations up to 30 g, and mechanical shocks up to 3900 g. The test results of 20 modules show that the SpaceFibre link is a promising candidate for the upcoming high-speed intrasatellite networks.
Original languageEnglish
Pages (from-to)1213-1223
JournalJournal of Lightwave Technology
Volume25
Issue number5
DOIs
Publication statusPublished - 2007
MoE publication typeA1 Journal article-refereed

Keywords

  • III-V semiconductors
  • gallium arsenide
  • gradient index optics
  • integrated optoelectronics
  • laser cavity resonators
  • optical fibre networks
  • optical fibre testing
  • optical receivers
  • optical transmitters
  • p-i-n photodiodes
  • radiation hardening
  • surface emitting lasers
  • transceivers
  • vibrations

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