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High optical coupling efficiency using 45 °-ended fibre for low-height and low-cost optical interconnect modules

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12 Author(s)
A. Suzuki ; Opto-Electron. Syst. Integration Collaborative Res. Team, Nanoelectron. Res. Inst., Tsukuba ; Y. Wakazono ; S. Suzuki ; M. Tamura
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High optical coupling efficiency of more than 80% between an optical fibre and a vertical-cavity surface-emitting laser (VCSEL) has been achieved without use of a lens. A 45deg-ended fine-drawn optical fibre can be positioned closer to a VCSEL than a conventional multimode fibre. 12.5 Gbit/s/ch optical signal transmissions using a low-height optical coupling structure have been demonstrated with optical output power as high as +2.0 dBm without use of a lens.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 12 )