Ultrawidely tunable single-mode fiber acousto-optic filter

Title
Ultrawidely tunable single-mode fiber acousto-optic filter
Authors
임선도박경준엄성훈정제명김병윤이상배
Keywords
fiber; acousto-optic
Issue Date
2011-04
Publisher
Optics express
Citation
VOL 36, NO 7, 1101-1103
Abstract
A single-mode fiber (SMF) acousto-optic tunable filter (AOTF) with a tuning range of more than 300 nm is demonstrated. The SMF used in the experiment has a ring of symmetric holes within the cladding, which causes a larger mode-index difference between the first and the second higher-order antisymmetric modes than those of a conventional SMF. As a result, the difference in beatlengths between the core mode and the higher-order modes is highly increased, which makes it possible for the SMF AOTF to exhibit a single resonance peak in the transmission spectrum over the wavelength range of 1.3–1.6 μm for given acoustic frequencies of 3.1–3.8 MHz.
URI
http://pubs.kist.re.kr/handle/201004/40610
ISSN
1094-4087
Appears in Collections:
KIST Publication > Article
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