Higher‐Order Distributed Feedback Oscillators
作者:
J. E. Bjorkholm,
C. V. Shank,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 20,
issue 8
页码: 306-308
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654160
出版商: AIP
数据来源: AIP
摘要:
We report the observation of higher‐order disftributed‐feedback (DFB) laser oscillation using sinusoidal susceptibility modulation. For higher‐order DFB oscillation the period of the susceptibility modulation is a multiplemof one‐half the lasing wavelength. We have obtained tunable DFB oscillation form=2 andm=3 by pumping rhodamine 6G with interference fringes. A discussion of two possible mechanisms which could account for our observations is presented. Higher‐order DFB operation reduces the resolution required for fabricating a DFB laser.
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