NDLI: Ultrawideband Impulse Radio Signal Generation Using a High-Speed Electrooptic Phase Modulator and a Fiber-Bragg-Grating-Based Frequency Discriminator

Content Provider	IEEE Xplore Digital Library
Author	Fei Zeng Jianping Yao
Copyright Year	1989
Abstract	We propose a novel approach to generating ultrawideband impulse radio signals in the optical domain. The proposed system consists of a laser source, an electrooptic phase modulator (EOPM), a fiber Bragg grating (FBG), and a photodetector (PD). The light source is phase modulated by an electrical Gaussian pulse train via the EOPM. The optical phase modulation to intensity modulation conversion is achieved by reflecting the phase modulated light at the slopes of the FBG that serves as a frequency discriminator. Electrical monocycle or doublet pulses are obtained at the output of the PD by locating the wavelength of the optical carrier at the linear or the quadrature slopes of the FBG reflection spectrum. The use of the proposed configuration to implement pulse polarity and pulse shape modulation in the optical domain is discussed. Experimental measurements in both temporal and frequency domains are presented
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	2062
Ending Page	2064
Page Count	3
File Size	458856
File Format	PDF
ISSN	10411135
Volume Number	18
Issue Number	19
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband technology RF signals Signal generators Phase modulation Frequency Optical pulse shaping Optical modulation High speed optical techniques Pulse modulation Fiber gratings ultrawideband (UWB)-over-fiber All-optical signal processing fiber Bragg grating (FBG) frequency discriminator microwave photonics radio-over-fiber
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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