Micromachining of integrated optical structures
作者:
L. R. Harriott,
R. E. Scotti,
K. D. Cummings,
A. F. Ambrose,
期刊:
Applied Physics Letters
(AIP Available online 1986)
卷期:
Volume 48,
issue 25
页码: 1704-1706
ISSN:0003-6951
年代: 1986
DOI:10.1063/1.96809
出版商: AIP
数据来源: AIP
摘要:
Three‐dimensional features have been milled into optical materials by scanning a submicron focused gallium ion beam. Different shapes are obtained using computer controlled beam placement and dwell time during sputtering. We have used this technique to create micron‐sized facets and reflectors in the active areas of semiconductor lasers. Light output and quantum efficiency measurements indicate that these features are of sufficient quality to fabricate monolithic integrated optical devices. Some of the applications currently being investigated are laser‐detector pairs, coupled cavity lasers, lasers with integral lenses, distributed feedback lasers, confocal cavities, and laser cavity length tuning.
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