Continuous photonic microwave true-time delay using tapered chirped fibre Bragg grating

Lee, S.-S.; Chae, Ho-Dong

doi:10.1049/el:20050982

Cited by 6 publications

(1 citation statement)

References 4 publications

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“…Of these, Bragg gratings are widely used in a range of applications, such as filters, couplers, resonators, polarizers, sensors, multiplexer, and dispersion compensators [1][2]. In an optical communication system, fiber Bragg gratings (FBGs) have attracted much attention because they can cost-effectively provide advanced features for such devices, owing to their characteristic spectral responses [3][4][5][6]. Though FBGs are simply fabricated with unique spectral responses, they are too lengthy to integrate with other components.…”

Section: Introductionmentioning

confidence: 99%

Polymeric Waveguides with Bragg Gratings in the Middle of the Core Layer

Jeong¹,

Park²,

Lee³

et al. 2009

Journal of the Optical Society of Korea

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In this paper we proposed a new Bragg grating waveguide in order to improve reflectivity and to achieve compactness. Bragg gratings with various thicknesses were engraved in the middle of the core layer with a length of 3 mm. For the sake of cost-effectiveness, the 3 rd order Bragg grating waveguides were fabricated via conventional photolithography. The maximum reflectivities for the fixed width waveguide of 6 μm with the 0.1 and 0.3 μm-thick Bragg gratings were, -13.14 and -6.25 dB, respectively, and the Bragg wavelengths were 1562.28, 1564.10 nm, respectively. A slight increase in the Bragg grating thickness can result in a remarkable reduction in the length of the Bragg grating waveguide with a fixed reflectivity.

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Section: Introductionmentioning

confidence: 99%

Polymeric Waveguides with Bragg Gratings in the Middle of the Core Layer

Jeong¹,

Park²,

Lee³

et al. 2009

Journal of the Optical Society of Korea

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Delay Lines

Shahoei

Yao

2014

Wiley Encyclopedia of Electrical and Electronics Engineering

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Delay lines provide the ability of controlling the time delay of a signal. Delay lines are basic and important elements that can find applications in radar, communications, and signal processing. In general, there are two types of delay lines: electrical delay lines and optical delay lines. Because an optical delay line has a much wider bandwidth and higher speed, it is a good candidate for ultra wideband systems and has attracted significant interest recently. In this article, we will first discuss electrical delay lines and then discuss optical delay lines in a greater detail.

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