CWDM source based on AlGaInAs/InP monolithically integrated DFB laser array |
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Authors: | Hou Lianping Haji Mohsin Akbar Jehan Marsh John H Bryce A Catrina |
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Affiliation: | School of Engineering, University of Glasgow, Glasgow, G12 8LT, United Kingdom. lianping.hou@glasgow.ac.uk |
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Abstract: | The monolithic integration of four 1.5?μm range AlGaInAs/InP distributed feedback lasers with a 4×1 multimode-interference optical combiner, a curved semiconductor optical amplifier, and an electro-absorption modulator using relatively simple technologies--sidewall grating and quantum well intermixing--has been demonstrated. The four channels span the wavelength range of 1530 to 1566?nm with a channel spacing of 12?nm. The epitaxial structure was designed to produce a far-field pattern as small as 21.2°×25.1°, producing a coupling efficiency with an angled-end single-mode fiber at twice that of a conventional device design. |
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