Fiber-Optic Delay-Line Signal Processors

Jackson, K. P.; Shaw, H. J.

doi:10.1016/b978-0-12-355760-5.50018-1

Cited by 17 publications

(11 citation statements)

References 39 publications

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“…Our objective was to build accurate delay line networks and correlate optical pulses. I spent a lot of time reading the works of Howard Shaw's Stanford group [10], that included such luminaries as Michel Digonnet, Kenneth Jackson, Byoung Yoon Kim, Behad Moslehi, Steve Newton, Moshe Tur, Robert Wentworth, Robert Younquist, and sometimes involved contributions from Joseph Goodman [11]. I learned how to gain switch laser diodes to generate short tens-of-picosecond pulses [12], to detect them with high-bandwidth transimpedance receivers (pioneered by John Hullet and Tran Muoi [13], from what would later be my own department -Electrical Engineering at the University of Western Australia (UWA).…”

Section: Digital Correlators and Communications At Kentmentioning

confidence: 99%

Staying coherent after kent: From optical communications to biomedical optics

Sampson

2011

Photonic Sens

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In this paper, an overview of author's research is presented, commencing at the University of Kent under Prof. David A. Jackson. Early research in short optical pulses and fiber-optic delay-line digital correlators led to optical communications research in code-division multiple access networking. This research was based on broadband incoherent light, and this theme continued with research into spectrum-sliced wavelength-division multiplexing. In shifting from photonics research to biomedical optics and biophotonics in the late 1990s, the emphasis on exploiting broadband light continued with research in optical coherence tomography, amongst other topics. In addition to the research outcomes, how these outcomes were attained is described, including mention of the exceptional contributions of many of my colleagues.

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Section: Digital Correlators and Communications At Kentmentioning

confidence: 99%

Staying coherent after kent: From optical communications to biomedical optics

Sampson

2011

Photonic Sens

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“…Intense research work on passive FDLFs was carried out during the period between 1980 and 1990, including the development of special purpose components (such as variable 2 Â 2 couplers and star couplers) and the experimental demonstration of simple passive structures performing basic signal processing operations such as transversal and notch filtering, correlation, and data storage [4][5][6]. Both noise and signal analysis methods were developed for these structures.…”

Section: Fibre Delay Line Filtersmentioning

confidence: 99%

“…An intensive theoretical and experimental research work on incoherent MWPSP using single-mode fibre delay lines was carried out by researchers at the University of Stanford,USA, during the period between 1980 and 1990. Multiple configurations, applications and potential limitations of these structures were considered and the main results of it are summarized in [4][5][6]. The technology status regarding optical fibre and integrated components was in its infancy at the time and therefore the demonstrated MWPSP had serious limitations arising from losses and lack of reconfiguration.…”

Section: Introductionmentioning

confidence: 99%

“…The technology status regarding optical fibre and integrated components was in its infancy at the time and therefore the demonstrated MWPSP had serious limitations arising from losses and lack of reconfiguration. The interested reader is referred to [6] for a comprehensive and extensive treatment of the experiments that were conducted, as well as for a detailed review of the available technology at that time.…”

Section: Introductionmentioning

confidence: 99%

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Microwave Photonic Signal Processing

Iezekiel

2009

Microwave Photonics

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The full exploitation of the advantages that radio frequency, microwave and millimetre-wave technologies bring to broadband telecommunications and other related applications requires a coordinated effort in the development of signal processing techniques suitable for them. This is especially important as novel applications demand the use of increasingly higher-frequency carriers and broadband signals.The traditional approach towards radio frequency (RF) signal processing is illustrated in the upper part of Figure 8.1. Here an RF signal originating from an RF source or coming from an antenna is fed to an RF circuit that performs the signal processing tasks either at the RF signal or at an intermediate frequency band after a down-conversion operation. In any case, the RF circuit is capable of performing the signal processing tasks for which it has been designed only within a specified (often reduced) spectral band. This approach results in poor flexibility since changing the band of the signals to be processed requires the design of a novel RF circuit and possibly the use of different hardware technology. Furthermore, even if the RF carrier is not changed, the nature of the modulating signal might be, thus requiring more bandwidth or sampling speed from the processor. This is especially true in the case where discrete time signal processing has to be carried over the RF signal. This set of drawbacks is often termed in the optical communications technology literature as the electronic bottleneck. Although important it is by no means the only source of degradation, since electromagnetic interference (EMI) and frequency dependent losses can also be sources of major impairments.An interesting approach to overcome the above limitations involves the use of photonics technology and especially fibre and integrated optics devices and circuits to perform the Microwave Photonics: Devices and Applications Edited by Stavros Iezekiel

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“…The possibility of using photonic devices to implement flexible filters for microwave and radiofrequency (RF) signals with larger bandwidth is one of the applications that first attracted the interest of the researchers [2,3,4,5,6] since traditional approaches for RF signal processing are fraught with the electronic bottleneck [2] and other sources of degradation as electromagnetic interference (EMI) and frequency dependent losses.…”

Section: Introductionmentioning

confidence: 99%

Advanced Optical Processing of Microwave Signals

Ortega

Pastor

Mora

et al. 2005

EURASIP J. Adv. Signal Process.

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The authors present a review on the recent approaches proposed to implement transversal RF filters. Different tunable transversal filters consisting of wavelength tunable optical taps and those employing the tunability of dispersive devices are presented showing their high-performance characteristics. A comprehensive review of the fundamentals and a discussion on the main limitation of these structures are also included

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Fiber-Optic Delay-Line Signal Processors

Cited by 17 publications

References 39 publications

Staying coherent after kent: From optical communications to biomedical optics

Staying coherent after kent: From optical communications to biomedical optics

Microwave Photonic Signal Processing

Advanced Optical Processing of Microwave Signals

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