NDLI: MOMBE growth of semi-insulating GaInAsP(/spl lambda//sub g/=1.05 /spl mu/m):Fe optical waveguides for integrated photonic devices

Content Provider	IEEE Xplore Digital Library
Author	Kunzel, H. Albrecht, P. Ebert, S. Gibis, R. Harde, P. Kaiser, R. Kizuki, H. Malchow, S.
Copyright Year	1997
Description	Author affiliation: Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany (Kunzel, H.)
Abstract	Iron doping using elemental source material evaporated from a conventional effusion cell was applied during MOMBE growth of semi-insulating InP and GaInAsP(/spl lambda/=1.05 /spl mu/m) for waveguide applications. The influence of the growth temperature and the doping concentration on the electrical and optical properties was investigated in the range from 455/spl deg/C to 505/spl deg/C and 5/spl middot/10/sup 15/ cm/sup -3/ to 5/spl middot/10/sup 15/ cm/sup -3/, respectively. High optical quality is demonstrated by the appearance of excitonic emission in iron doped layers at 10 K. Resistivities in excess of 10/sup 9/ /spl Omega/cm were obtained for both materials at medium doping levels grown at the lower end of the investigated growth temperature range. In addition, SIMS measurements revealed homogeneous incorporation behaviour of the iron dopant in these materials. A tendency towards some accumulation/segregation of the iron dopant was observed at higher doping levels and growth temperatures resulting in some decrease of the resistivity. GaInAsP/InP waveguide structures grown at 485/spl deg/C (which is the minimum temperature necessary for selective deposition) showed resistivities of 5/spl middot/10/sup 7//spl Omega//spl middot/cm/sup 7/ in combination with low optical losses of 2.5/spl plusmn/0.5 dB/cm.
Starting Page	432
Ending Page	435
File Size	375263
Page Count	4
File Format	PDF
ISBN	0780338987
ISSN	10928669
DOI	10.1109/ICIPRM.1997.600186
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Iron Optical materials Doping Optical pumping Temperature Molecular beam epitaxial growth Conductivity Indium phosphide Integrated optics
Content Type	Text
Resource Type	Article

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