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Single-mode optical fiber

About: Single-mode optical fiber is a(n) research topic. Over the lifetime, 24205 publication(s) have been published within this topic receiving 347010 citation(s).

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Papers
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Journal ArticleDOI: 10.1364/OL.22.000961
01 Jul 1997-Optics Letters
Abstract: We made an all-silica optical fiber by embedding a central core in a two-dimensional photonic crystal with a micrometer-spaced hexagonal array of air holes. An effective-index model confirms that such a fiber can be single mode for any wavelength. Its useful single-mode range within the transparency window of silica, although wide, is ultimately bounded by a bend-loss edge at short wavelengths as well as at long wavelengths.

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Topics: Photonic-crystal fiber (67%), Zero-dispersion wavelength (64%), Photonic crystal (63%) ...read more

2,784 Citations


Journal ArticleDOI: 10.1126/SCIENCE.285.5433.1537
R.F. Cregan1, Brian Joseph Mangan1, Jonathan Knight1, Tim A. Birks1  +3 moreInstitutions (3)
03 Sep 1999-Science
Abstract: The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated Only certain wavelength bands are confined and guided down the fiber, each band corresponding to the presence of a full two-dimensional band gap in the photonic crystal cladding Single-mode vacuum waveguides have a multitude of potential applications from ultrahigh-power transmission to the guiding of cold atoms

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Topics: Photonic-crystal fiber (64%), Photonic crystal (63%), Band gap (61%) ...read more

1,833 Citations


Journal ArticleDOI: 10.1109/JLT.2008.2010061
Jean Armstrong1Institutions (1)
Abstract: Orthogonal frequency division multiplexing (OFDM) is a modulation technique which is now used in most new and emerging broadband wired and wireless communication systems because it is an effective solution to intersymbol interference caused by a dispersive channel. Very recently a number of researchers have shown that OFDM is also a promising technology for optical communications. This paper gives a tutorial overview of OFDM highlighting the aspects that are likely to be important in optical applications. To achieve good performance in optical systems OFDM must be adapted in various ways. The constraints imposed by single mode optical fiber, multimode optical fiber and optical wireless are discussed and the new forms of optical OFDM which have been developed are outlined. The main drawbacks of OFDM are its high peak to average power ratio and its sensitivity to phase noise and frequency offset. The impairments that these cause are described and their implications for optical systems discussed.

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1,581 Citations


Open accessBook
01 Jan 1958-
Abstract: The extension of maser techniques to the infrared and optical region is considered. It is shown that by using a resonant cavity of centimeter dimensions, having many resonant modes, maser oscillation at these wavelengths can be achieved by pumping with reasonable amounts of incoherent light. For wavelengths much shorter than those of the ultraviolet region, maser-type amplification appears to be quite impractical. Although use of a multimode cavity is suggested, a single mode may be selected by making only the end walls highly reflecting, and defining a suitably small angular aperture. Then extremely monochromatic and coherent light is produced. The design principles are illustrated by reference to a system using potassium vapor.

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Topics: Maser (54%), Single-mode optical fiber (53%), Angular aperture (52%) ...read more

1,271 Citations


Journal ArticleDOI: 10.1002/J.1538-7305.1977.TB00534.X
Abstract: This paper analyses losses caused by the misalignment of two fibers joined in a splice. We consider the possibility that the two fibers of different dimensions are separated in longitudinal direction and are tilted or offset with respect to each other. Central to our discussion is the observation that the modes of single-mode fibers are very nearly gaussian in shape regardless of the fiber type step-index or graded-index. The splice losses are thus related to the corresponding losses of gaussian beams. We specify the relation between the actual mode field and the gaussian beam that matches this field optimally. The trade-off between slice tolerances with respect to tilt and offset is expressed as an “uncertainty principle. “ Because of the near-gaussian nature of single-mode fiber fields, our results are immediately applicable to the excitation of single-mode fibers by gaussian-shaped laser beams.

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Topics: Optical fiber (58%), Single-mode optical fiber (57%), Gaussian beam (56%)

1,072 Citations


Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202212
2021462
2020605
2019825
2018860
20171,033

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Topic's top 5 most impactful authors

Ming-Jun Li

79 papers, 1.3K citations

David J. Richardson

71 papers, 1.3K citations

Libo Yuan

59 papers, 525 citations

Andreas Tünnermann

36 papers, 1.2K citations

Xiaoyi Bao

29 papers, 437 citations

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