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The use of anisotropically etched silicon optical benches (SiOB) and optical adhesives have attracted much attention for the low cost assembly of optical modules. In this paper, the effect of attachment process parameters (such as the amount of bulk adhesive, and the thickness/symmetry of the adhesive layer between the fiber and V-groove walls) on the alignment of the fiber with the laser diode assembled...
A compact low-cost passively aligned optical sub-assembly (OSA) with four different optical transmission channels is fabricated for CWDM transceiver module. A silicon optical bench (SiOB) with V-groove, and U-groove was fabricated with dimensional accuracy of ±1 μm. A 125 μm diameter single mode optical fiber (SMF) and a 250×250×100 μm 3 laser diode (LD) was passively aligned on the SiOB using...
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