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1.5 mu m band travelling-wave semiconductor optical amplifiers with window facet structure

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4 Author(s)
Cha, I. ; Opto-Electron. Res. Labs., NEC Corp., Kawasaki, Japan ; Kitamura, M. ; Honmou, H. ; Mito, I.

1.5 mu m band travelling-wave semiconductor optical amplifiers (TWAs), characterised by their window facet structure and symmetrised active waveguide, have been developed. 1.5 dB spectral gain ripple and 1.3 dB TE-TM mode gain difference at 22 dB signal gain were achieved simultaneously. An average facet reflectivity as low as 0.06% was estimated.

Published in:

Electronics Letters  (Volume:25 ,  Issue: 18 )

Date of Publication:

31 Aug. 1989

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