The Design and Analysis of a Novel Optical Delay line Based on Ring Resonators and Microcomb laser Source for Beamforming in a Phased Array Radar

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GHORBANI A.; Zarezadeh S.

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Journal Paper

Paper Information

Journal: JOURNAL OF RADAR Year:2021 | Volume:9 | Issue:1 Page(s): 83-96

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Information Journal Paper

Title

The Design and Analysis of a Novel Optical Delay line Based on Ring Resonators and Microcomb laser Source for Beamforming in a Phased Array Radar

Author(s)

GHORBANI A. | Zarezadeh S. | Issue Writer Certificate

Keywords

Phased Array

True-Time Delay

Ring Resonators

Abstract

The Phased Array radars are a favourable type in the group of radars due to their agility in scanning the space and their highly flexible radiation patterns. However, due to their dependence on the phase to frequency shifters, these radars suffer from “ beam squint” , which limits the radar bandwidth. Using the true time delay (TTD) technique is one of the suggested solutions to this problem. Due to their unique features, the optical circuits have been widely used for the implementation of the TTD method but these circuits have problems such as high complexity, high cost, and the large size of structures. For example, fiber delay lines can only generate a certain and limited amount of delay, they are difficult to maintain, and they take up a lot of space. Conversely, the delay lines based on Ring Resonators create continuous delay and occupy little volume. However, because of the very small size of the rings, these lines face the challenge of complexity in construction. In this paper, a delay line based on Ring Resonators and microcomb laser source, with a new structure is presented that while enjoying the conventional advantages of these rings, is simpler in structure and requires fewer rings than other conventional configurations.

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APA: Copy

GHORBANI, A., & Zarezadeh, S.. (2021). The Design and Analysis of a Novel Optical Delay line Based on Ring Resonators and Microcomb laser Source for Beamforming in a Phased Array Radar. JOURNAL OF RADAR, 9(1 ), 83-96. SID. https://sid.ir/paper/963961/en

Vancouver: Copy

GHORBANI A., Zarezadeh S.. The Design and Analysis of a Novel Optical Delay line Based on Ring Resonators and Microcomb laser Source for Beamforming in a Phased Array Radar. JOURNAL OF RADAR[Internet]. 2021;9(1 ):83-96. Available from: https://sid.ir/paper/963961/en

IEEE: Copy

A. GHORBANI, and S. Zarezadeh, “The Design and Analysis of a Novel Optical Delay line Based on Ring Resonators and Microcomb laser Source for Beamforming in a Phased Array Radar,” JOURNAL OF RADAR, vol. 9, no. 1 , pp. 83–96, 2021, [Online]. Available: https://sid.ir/paper/963961/en

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