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Semiconductor Waveguides with High Coupling Efficiency for Single-Mode Optical Fibers
Hiroshi NAKAMOTO Masaaki MATSUURA Fumihiko ITO Tadatoshi TANIFUJI
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
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Buried heterostructure waveguides with high coupling efficiency for dual shaped core fiber with zero dispersion at 1.55 µm are described. Calculations reveal that the mode mismatch loss of 0.35 dB with mode confinement coefficient of 0.6 can been achieved for dual shaped core single-mode fibers. While, for conventional single-mode fibers, mode mismatch loss becomes large.