Towards on-chip photonic-assisted radio-frequency spectral measurement and monitoring
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Date
2020
Publication Type
Journal Article
ETH Bibliography
yes
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Abstract
Precise detection and monitoring of the frequency spectrum of microwave signals are essential to myriad scientific and technological disciplines, including both civil and defense areas, such as telecommunications, radar, biomedical instrumentation, radio astronomy, etc. Historically, microwave engineering has provided solutions for these tasks. However, current radio-frequency (RF) technologies suffer from inherent shortcomings that limit their capability to provide agile (e.g., real-time) measurements over a large operation bandwidth in energy-efficient and compact (e.g., integrated) formats. Overcoming these limitations is key to fulfilling pressing performance requirements in the above-mentioned application fields, as well as for compatibility with platforms that require chip-scale integration and/or low weight and dimensions, such as satellites and drones. Integrated microwave photonics is an emerging field that leverages the advantages of optical technologies for realization of microwave operations with high bandwidth, low power consumption, and increased agility and flexibility in on-chip platforms, offering an alternative path for integration of advanced RF processing and analysis methods in mature semiconductor technologies. This mini review surveys some of the latest advances in microwave spectral measurement and monitoring techniques realized through photonic approaches, with a special focus on methods suitable for on-chip integration.
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Publication status
published
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Book title
Journal / series
Volume
7 (5)
Pages / Article No.
434 - 447
Publisher
OSA Publishing
Event
Edition / version
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Software
Geographic location
Date collected
Date created
Subject
Analytical techniques; Discrete Fourier transforms; Integrated microwave photonics; Optical components; Photonic devices; Polarization mode dispersion
Organisational unit
03974 - Leuthold, Juerg / Leuthold, Juerg
02635 - Institut für Elektromagnetische Felder / Institute of Electromagnetic Fields
Notes
Funding
173996 - Millimeter-wave on-chip wireless-optical transceivers for 5G wireless communications (SNF)