1 August 1994 Keyed optical V-fiber to silicon V-groove interconnects
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The optical and physical interconnection of optical fibers with optoelectronic devices is a critical technology in a wide range of telecommunication and data transmission applications. A new method of connecting optical fibers has been developed by "keying" a noncircular V-shaped optical fiber (V-fiber) into a silicon V-groove. In this interconnect the two resulting planes of contact provide enhanced lateral and rotational fiber alignment in comparison with conventional circular cross-section optical fiber and reduce the quantity of coupling agent required. The strength of the fibers and interconnects was evaluated by mechancal adhesion tests. Although the intrinsic V-fiber strength was less than that of conventional circular fibers, fiber/interconnect alignment was improved. Adhesion testing of interconnects indicated that V-fiber strength was the primary factor influencing interconnect strength. Low-light-loss splicing of V-fibers to conventional fibers has been demonstrated and allows circular fibers to be joined to V-fibers at interconnect points where improved alignment is required. V-fiber to V-groove interconnects have potential applications in multiple, birefringent, or small diameter core optical fibers.
Paul J. Pigram, Paul J. Pigram, Peter Y. Timbrell, Peter Y. Timbrell, Robert N. Lamb, Robert N. Lamb, Mark G. Sceats, Mark G. Sceats, Andrea L. Cox, Andrea L. Cox, } "Keyed optical V-fiber to silicon V-groove interconnects," Optical Engineering 33(8), (1 August 1994). https://doi.org/10.1117/12.177113 . Submission:


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