Post-Growth Fabrication and Characterization of Integrated Chirped Bragg Gratings on GaAs-AlGaAs

A fully post-growth integrated chirped Bragg grating (CBG) in III-V material is presented based on a tapered waveguide geometry. The deeply etched structure provides the high coupling coefficient required in CBG devices without recourse to overgrowth fabrication techniques and the taper method allow...

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Bibliographic Details
Published in:IEEE photonics technology letters 2006-12, Vol.18 (24), p.2566-2568
Main Authors: Strain, M.J., Sorel, M.
Format: Article
Language:English
Subjects:
Bragg gratings
Chirp
Chirped gratings
Coupling coefficients
Devices
Dispersion
dispersion compensation
Dispersions
distributed feedback (DFB) lasers
Distributed feedback devices
Etching
Fiber gratings
integrated optics
Laser feedback
Laser theory
Laser tuning
Lasers
Optical device fabrication
Optical pulse generation
Photonics
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Summary:A fully post-growth integrated chirped Bragg grating (CBG) in III-V material is presented based on a tapered waveguide geometry. The deeply etched structure provides the high coupling coefficient required in CBG devices without recourse to overgrowth fabrication techniques and the taper method allows for arbitrary chirp functions to be implemented. A 5-nm stopband with 0.0335 ps/nm dispersion is demonstrated and DFB lasers based on the CBG structure are presented
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2006.887199