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Design parameters for a 1.3μm connectorised low-cost laser package for subscriber loop using graded-index lenses

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2 Author(s)
Reith, L.A. ; Bell Communications Research, Red Bank, USA ; Mann, J.W.

A 1.3μm laser mounted in a low-cost compact disc package has been coupled to single-mode fibre using two graded-index lenses. Here we present results of calculations showing how to pick lens pitches for given coupling efficiency/sensitivity trade-offs. In addition, we note that the effective angular alignment can be quite sensitive, and propose a means of avoiding this difficulty.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 10 )