DFB lasers integrated with Mach-Zehnder optical modulator fabricated by selective area growth MOVPE technique

The first monolithically integrated DFB laser/Mach-Zehnder interferometric modulator fabricated by the selective area low pressure MOVPE growth technique is reported. A near 3-dB power divider at the Y-branches of the interferometer has been reproducibly achieved by a photolithographically defined d...

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Bibliographic Details
Published in:IEEE photonics technology letters 1995-09, Vol.7 (9), p.1019-1021
Main Authors: Tanbun-Ek, T., Sciortino, P.F., Sergent, A.M., Wecht, K.W., Wisk, P., Chen, Y.K., Bethea, C.G., Sputz, S.K.
Format: Article
Language:English
Subjects:
Dielectrics
Epitaxial growth
Epitaxial layers
Infrared imaging
Integrated optics
Optical imaging
Optical interferometry
Optical modulation
Phase modulation
Power dividers
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Summary:The first monolithically integrated DFB laser/Mach-Zehnder interferometric modulator fabricated by the selective area low pressure MOVPE growth technique is reported. A near 3-dB power divider at the Y-branches of the interferometer has been reproducibly achieved by a photolithographically defined dielectric mask used in the selective area growth technology and confirmed by an infrared near field imaging technique. A modulation depth of over 12 dB was achieved both in the forward and reverse bias to the arms of the phase modulator.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.414688