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Post-Growth Fabrication of Multiple Wavelength DFB Laser Arrays With Precise Wavelength Spacing

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4 Author(s)
Zanola, M. ; Sch. of Eng., Univ. of Glasgow, Glasgow, UK ; Strain, M.J. ; Giuliani, G. ; Sorel, M.

The design and experimental characterization of sidewall-etched gratings in III-V material fabricated with a post-growth technique are presented. The successful demonstration of an array of sidewall-etched distributed feedback lasers shows that this technology allows for a very accurate control of the wavelength spacing and a sidemode suppression ratio up to 60 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:24 ,  Issue: 12 )