Optically controlled microwave devices and circuits

emerging applications in space communications systems

Publisher: NASA, Publisher: For sale by the National Technical Information Service in [Washington, DC], [Springfield, Va

Written in English
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  • Control equipment.,
  • Fiber optics.,
  • Microwave.

Edition Notes

Other titlesEmerging applications in space communications systems
StatementKul B. Bhasin and Rainee N. Simons.
SeriesNASA technical memorandum -- 89869
ContributionsSimons, Rainee, 1949-., United States. National Aeronautics and Space Administration.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL17115292M

Search the world's most comprehensive index of full-text books. My library. Since the invention of the integrated circuit in much progress has been made concerning packaging density, power consumption, speed and frequency performance. The concept of Microwave Integrated Circuits (MIC) was inaugurated in Prior to that nearly all microwave equipment utilized waveguide, coaxial or strip-line by: 7. Optical Integrated Circuits: A Personal Perspective Ivan P. Kaminow, Life Fellow, IEEE, Fellow, OSA Invited Paper Abstract—The remarkable early success and current explosive growth of electronic integrated circuits have fascinated photonics researchers since with the prospect of similar success in op-tical integrated circuits. Microwave frequency oscillators typically use loop-feedback or reflection-type feedback for stabilization. Microwave frequency oscillators may use any device that exhibits negative resistance when configured properly. Within their operating frequency range, bipolar junction transistor (BJT) devices as well as FET and HEMT devices are often used.

His research interests are physics, design, and experimental investigation of microwave devices and components based on ferroelectrics, silicon RF integrated circuits (RFICs) and monolithic microwave integrated circuits (MMICs), microwave photonic devices (optically controlled components), and modeling of passive coplanar components based on. Optically controlled RTD-based photo-detectors can have interesting applications in the generation of microwave stable low-phase noise signals ranging from wireless communications to high-speed optical communications such as radio-over-fiber networks, from clock recovery systems to low-power miniature atomic clocks as time references. In what Cited by: A power semiconductor device is a semiconductor device used as a switch or rectifier in power electronics (for example in a switch-mode power supply).Such a device is also called a power device or, when used in an integrated circuit, a power IC.. A power semiconductor device is usually used in "commutation mode" (i.e., it is either on or off), and therefore has a design . In , Minamoto and Matsuura and Matsuura and Minamoto presented an optically controlled beam steering system using 60‐W PoF in the fiber to feed remote antenna units, and in, Yoneyama et al. demonstrated a ‐μm dual‐channel radio‐over‐fiber system using a ‐m double‐clad fiber feed with 30‐W optical power of a PoF by: 5.

  He had written a chapter on “Microwave Measurements and Instrumentation” in Wiley Encyclopedia of Electrical and Electronic Engineering , and a chapter on “Optically Controlled Phased Array Antennas for UWB RFID Reader” in Wiley’s Handbook of Smart Antennas and RFID Systems in He is a Senior Member of IEEE. D. T. K. Tong and M. C. Wu, "A Novel Optically Controlled Phased Array Antenna System Using a Programmable-Dispersion Fiber and a Mode-Locked Laser," IEEE LEOS Annual Meeting, Paper EOS, San Francisco, CA, October 30 - November 2, There is an Open Access version for this licensed article that can be read free of charge and without license restrictions. The content of the Open Access version may differ from that of the licensed version.   Projects currently running include low SAR antenna research and design for mobile handsets, 3G communications antennas, optically activated microwave circuits and antennas, frequency selective surfaces, metamaterials, electromagnetic and photonic band gap structures, arrays and FSS for mm-wave applications, local multipoint distribution system.

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COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous Optically controlled microwave devices and circuits book frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

The use of optically controlled devices to perform a range of circuit functions is reviewed. The optical control of amplifier performance is discussed. Get this from a library.

Optically controlled microwave devices and circuits: emerging applications in space communications systems. [Kul B Bhasin; Rainee Simons; United States.

National Aeronautics and Space Administration.]. The center for frequency can be optically adjusted to 11 GHz and 22 GHz by means of a pattern-controlled fiber bundle Array fed from six CW-operated.

While at Sandia, he worked on semiconductor devices for radar applications. He pioneered research on optically-controlled microwave devices based on the effect of light on the carrier dynamics in avalanche devices and was first to demonstrate modulation, phase-locking, and switching of active microwave semiconductor devices by optical techniques.

This is an invited talk given at the Workshop on Optoelectronic Microwave Devices", held at the Naval Research Laboratory, Septem {}``Optically Controlled Millimeter-Wave Phase Shifter," co-authors, A. DeFonzo and S. Mak, paper presented at the American Physical Society General Meetings in New York, Bull.

Lei Liu, “Optically-controlled millimeterwave to THz tunable/reconfigurable devices for advanced imaging and adaptive communication,” ShanghaiTech Workshop on Emerging Devices, Circuits and systems (SWEDCS’), Shanghai, China, June(Invited Talk). This letter demonstrates an optically controlled coplanar waveguide switch operating in the millimeter-wave region.

Full-wave electromagnetic analysis used a multilayer model to simulate the photoinduced plasmas and a good agreement Cited by: 2. Optically Controlled Millimeter-wave Switch with Stepped-Impedance Lines. the proposed device can be fabricated with rapid and low-cost laser-etching and can be easily integrated with other microwave and millimeter-wave circuits.

Nonlinearity and Power Handling Characterization of an Optically Reconfigurable Microwave : Yutian Zhang, Weiran Pang, Martin Cryan. Bahram Jalali is a Professor of Electrical Engineering at UCLA. He is a Fellow if IEEE and the Optical Society of America, and the Chair of the Los Angeles Chapter of the IEEE Lasers and Electro Optics Society (LEOS).

His research interests include silicon photonics and techniques for ultra fast data generation and capture. He has published over scientific papers and holds Occupation: PROFESSOR. Optically Controlled Microwave/Millimeter-Wave Devices and Microwave/Millimeter-Wave-Controlled Optical Devices (6) Optical Generation, Distribution, and Control of Gigahertz and Terahertz Signals (4).

• Innovative idea of optically controlled semiconductor antennas. • Investigations of optically controlled microwave devices like phase shifter, attenuator, polarizer etc.

• Optically reconfigurable microwave filters and other devices. • Innovative use of de-convolution algorithm for detection of straight lines in a. Biography. A Alphones received his (Applied Sciences) from University of Madras infrom Madras Institute of Technology infrom Indian Institute of Technology Kharagpur in and Ph.D.

degree in Optically Controlled Millimeter wave Circuits from Kyoto Institute of Technology (Japan) in RFIC and MMIC Design and Technology (IEE Circuits, Devices and Systems Series, 13) I. Robertson (Editor), S. Lucyszyn (Editor) A complete overhaul of the highly successful book 'MMIC Design', this text promises much to graduate students and engineers in.

Such a circuit model is important in the design of optically controlled microwave circuits involving a GaAs MESFET as an optical interface.> × Close The Infona portal uses cookies, i.e.

strings of text saved by a browser on the user's device. A Alphones (S’M’SM’98) received his from Madras Institute of Technology infrom Indian Institute of Technology Kharagpur in and Ph.D. degree in Optically Controlled Millimeter wave Circuits from Kyoto Institute of Technology (Japan) in He was a JSPS visiting fellow from at Japan.

Passive devices which have electrical dimensions comparable with the working wavelength, and which operate at frequencies up to but not including optical frequencies, e.g. microwave, and their manufacture. Auxiliary devices of waveguide type such as filters, phase shifters, non-reciprocal devices, polarisation rotators.

CONTRIBUTED BOOK CHAPTER: 1. Chakrabarti, “Microwave model of an optically controlled GaAs-MESFET,” Microwave and Optical Technology Letters, 8, pp, single-step and two-step method using RF Sputtering,” accepted for oral presentation at International Conference on Devices, Circuits and Communications (ICDCCom M.

Stollberg, W. Schlaak, “InP-Based Waveguide Integrated Photodetectors for High-Speed Optical Communication Systems,” Proceedings Third Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC ), Wuhan.

Pollard’s professional focus was on microwave solid-state devices and circuits. He was appointed Lecturer in the Department of Electrical and Electronic Engineering at Leeds in and awarded his Ph.D.

inwith a promotion to Senior Lecturer in In this paper, two novel concepts that use optically reconfigurable RF circuits are presented. In the first example, a Silicon switch was implemented in the input matching network of a power amplifier.

The silicon gap-loaded switch properties were changed from insulator state to near conducting state under illumination and resulted in the change of the effective length of the Author: D. Draskovic, C. Christodoulou, D. Budimir. USA US08/, USA USA US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords rf circuit optical output impedance matching Prior art date Legal status (The legal status is an assumption and is not Cited by: Proc.

SPIEOptical Technology for Microwave Applications I, pg (1 November ); doi: / Read Abstract + A GaAs photodetector array integrated with GaAs CCD designed with a parallel input scheme has been fabricated, and the multiplexing of optically generated signals fed through the parallel input system has been.

State of the Art in Microwave VCOs Microwave Journal, Maypp A Novel Planar Contiguous Diplexer DC GHz Using Organic Liquid Crystal Polymer (LCP) Irfan Ashiq and IEEE International Microwave Symposium Digest, IEEE MTT-S International Conference, Phoenix AZ.

Advanced microwave wireless devices are needed to dynamically adapt to field conditions. One possible approach for circuit tunability is optical control.

In this paper a new optically tunable filter concept is proposed based on LTCC technology and new photoconductive polymer materials. The theoretical foundations of a tunable resonator, simulations of resulting filter performance. He has coauthored a text book titled Millman’s Electronic Devices and Circuits, MOSFETs,” IET Circuits, Devices and Systems, vol.4, pp, Pramod Kumar Tiwari and S.

Jit, “A Subthreshold Swing Model for Symmetric “Optically Controlled Microwave Oscillator using GaAs MESFET’s,” Physics of Semiconductor.

Samir M. El-Ghazaly is a Distinguished Professor in the Department of Electrical Engineering at the University of Arkansas. He has completed two detail assignments at the U.S. National Science Foundation (NSF): From August to Augusthe served as the Director of the Division of Electrical, Communications and Cyber Systems at NSF.

An analytical model has been developed to theoretically examine the noise performance of an optically controlled GaAs metal semiconductor field effect transistor (MESFET) at.

System Considerations. Fundamentals. High Speed Semiconductor Laser Sources and Detectors for Microwave Fiber-Optic Applications. Spatial Light Modulators for Optically-Controlled Phased Array Radar Signal Processors. Acousto-Optic Bragg Cell Devices.

Optical Waveguide. Optical Integrated Circuits. Optical Beamforming for Phased Array Systems. The use of optical technology can provide unprecedented performance to the generation, distribution, and processing of microwave.

Recently, on-chip microwave photonics (MWP) has gained significant interests for its numerous advantages, such as robustness, reconfigurability as well as reduction of size, weight, cost, and power consumption. In this chapter, we review our Cited by: 1. Various papers on superconductivity applications for IR and microwave devices are presented.

The individual topics addressed include: pulsed laser deposition of Tl-Ca-Ba-Cu-O films, patterning of high-Tc superconducting thin films on Si substrates, IR spectra and the energy gap in thin film YBa2Cu3O(7-delta), high-temperature superconducting thin film microwave circuits.

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