V‐groove distributed feedback laser for 1.3–1.55 &mgr;m operation
作者:
H. Temkin,
G. J. Dolan,
D. P. Wilt,
R. A. Logan,
J. A. Lahtinen,
期刊:
Applied Physics Letters
(AIP Available online 1986)
卷期:
Volume 49,
issue 18
页码: 1148-1150
ISSN:0003-6951
年代: 1986
DOI:10.1063/1.97449
出版商: AIP
数据来源: AIP
摘要:
We describe aV‐groove distributed feedback laser operating at &lgr;=1.5 &mgr;m. A second‐order diffraction grating has been defined by electron beam writing and transferred using ion beam milling after the crystal growth was completed. A single longitudinal mode operation with a mode rejection ratio larger than 5000:1 has been obtained under modulation rate of 1 GHz. The techniques used in this work can be applied to other types of buried heterostructure lasers.
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