Vertical-cavity surface-emitting lasers (VCSELs) are promising for achieving low-cost optical interconnections. To realize them, alignment-tolerant and low-cost optical assembling techniques become important in addition to performance improvements on VCSELs. To reduce the alignment difficulties during fiber assembly, we are attempting to use large-core plastic cladding fibers (PCFs) and imaging fibers (IMF) with VCSELs. Here, we propose a distributed fiber switch (DFS) that consists of VCSELs and an optical cross connector (OCC) using PCFs. We demonstrate OCCs fabricated by using a plastic molding technique and report on their optical transmission characteristics.
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