High-efficiency coupling between semiconductor waveguides and single-mode optical fibers

Salvatore Morasca; Gloria Magnetti; Francesco Schiattone; Giovanni M. Schiavini; Alessandro Stano; Carlo S. De Bernardi

doi:10.1117/12.141881

6 April 1993 High-efficiency coupling between semiconductor waveguides and single-mode optical fibers

Salvatore Morasca, Gloria Magnetti, Francesco Schiattone, Giovanni M. Schiavini, Alessandro Stano, Carlo S. De Bernardi

Proceedings Volume 1794, Integrated Optical Circuits II; (1993) https://doi.org/10.1117/12.141881
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Some experimental aspects of the problem of efficient coupling between semiconductor waveguides and single-mode optical fibers are examined. Waveguides based on different InP/InGaAsP structures (single- and double-heterostructures, multi-quantum-well structures (MQW) with different degrees of dilution) have been fabricated, as well as modified single- mode fibers (i.e. with flat or lensed, straight or tapered ends). Coupling efficiency measurements between these structures have been performed, and the results are presented and discussed; the lowest coupling loss, about 0.5 dB, was obtained with a conveniently tapered fiber and a moderately diluted MQW structure (MD-MQW).

Citation Download Citation

Salvatore Morasca, Gloria Magnetti, Francesco Schiattone, Giovanni M. Schiavini, Alessandro Stano, and Carlo S. De Bernardi "High-efficiency coupling between semiconductor waveguides and single-mode optical fibers", Proc. SPIE 1794, Integrated Optical Circuits II, (6 April 1993); https://doi.org/10.1117/12.141881

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