Broadband frequency-modulated continuous-wave signal generation by optical modulation technique

Atsushi Kanno; Tetsuya Kawanishi

doi:10.1109/JLT.2014.2318724

Broadband frequency-modulated continuous-wave signal generation by optical modulation technique

Atsushi Kanno, Tetsuya Kawanishi

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

Optical frequency-modulated continuous-wave (FM-CW) signal generation with a bandwidth of 35 GHz and a pulse duration of 1 \mus in the range of 75-110 GHz is demonstrated with an optical frequency multiplier consisting of an optical modulator and optical filters. The FM-CW signal generator is used as a signal source for the surveillance of obstacles and debris in a large area by a distributed radar system connected to the optical fiber network. The system for millimeter-wave FM-CW signal generation is realized using the functions of a multi-frequency band and segmentation of the radar heads with several channels to avoid radio-frequency interference. The wavelength-division multiplexing technology with simple optical heterodyning aids in realizing these functions with high availability.

Original language	English
Article number	6802333
Pages (from-to)	3566-3572
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	32
Issue number	20
DOIs	https://doi.org/10.1109/JLT.2014.2318724
Publication status	Published - 2014 Oct 15
Externally published	Yes

Keywords

Frequency-modulated continuous-wave
millimeter-wave radar
optical frequency domain reflectometry
optical modulation
radio over fiber

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Access to Document

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