Results 11 to 20 of about 189,479 (217)

A chip-based optoelectronic-oscillator frequency comb

open access: yeseLight
Microresonator-based Kerr frequency combs (“Kerr microcombs”) constitute chip-scale frequency combs of broad spectral bandwidth and repetition rate ranging from gigahertz to terahertz.
Jinbao Long   +16 more
doaj   +2 more sources

Parity-time-symmetric optoelectronic oscillator. [PDF]

open access: yesSci Adv, 2018
A parity-time–symmetric optoelectronic oscillator was demonstrated without the use of a narrowband microwave or optical filter.
Zhang J, Yao J.
europepmc   +2 more sources

Research Paper: Technical Design of Microwave Optical Oscillators in Radar Systems [PDF]

open access: yesفیزیک کاربردی ایران, 2022
The emerging new concepts and technologies based on microwave photonics have led to an ever-increasing interest in developing innovative radar systems with a net gain in functionality, bandwidth/resolution, size, mass, complexity, and cost when compared ...
Ali Mahmoudloo
doaj   +1 more source

Experimental demonstration of 1.3 μm VCSEL‐based optoelectronic oscillator at 12 GHz using optical injection‐locking technique

open access: yesIET Optoelectronics, 2021
The experimental validation is presented of an optical injection‐locked (OIL) vertical‐cavity surface‐emitting laser (VCSEL)‐based optoelectronic oscillator (VBO) to overcome the direct‐modulation bandwidth limitations of packaged VCSELs.
Juan Coronel   +3 more
doaj   +1 more source

Optical Mini-Disk Resonator Integrated into a Compact Optoelectronic Oscillator [PDF]

open access: yes, 2009
International audienceThis work consists in the design, fabrication and characterization of mini-disk MgF2 resonators for integration into optoelectronic oscillator and first experimental results of implementation in microwave free spectral range ...
Rubiola, Enrico   +15 more
core   +2 more sources

Variable Repetition Rate Picosecond Master Oscillator for Photoelectron Gun

open access: yesPhotonics, 2022
In this work, aiming at the master oscillator of the photoelectron gun with a variable repetition rate of electron bunches, a picosecond solid-state laser subject to delayed optoelectronic feedback and RF loss modulation is studied.
Mikhail V. Gorbunkov   +3 more
doaj   +1 more source

Delay-line stabilized microwave oscillator with frequency control [PDF]

open access: yes, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The technique whereby the frequency of an oscillator is stabilized using an external feedback network incorporating a delay-line is extended in this thesis ...
Free, Charles Edward
core   +7 more sources

Stable and Low-Spurs Optoelectronic Oscillators: A Review

open access: yesApplied Sciences, 2018
An optoelectronic oscillator (OEO) is an optoelectronic hybrid oscillator which utilizes ultra-low-loss fiber as an electro-magnetic energy storage element, overcoming the limits of traditional microwave oscillators in phase noise performance.
Anni Liu, Jian Dai, Kun Xu
doaj   +1 more source

Wideband Rapidly Tunable Delay-Controlled Optoelectronic Oscillator

open access: yesIEEE Photonics Journal, 2020
With the recent advancements in photonic integrated circuits, integrated RF photonics has increasingly been considered as a viable avenue to meet the demands of many emerging applications in telecommunication, sensing and signal processing. In this paper,
Pouria Sanjari, Firooz Aflatouni
doaj   +1 more source

Photonic microwave harmonic generator driven by an optoelectronic ring oscillator [PDF]

open access: yes, 2007
We describe a new architecture to generate microwave signals by optical means. Our system combines the advantages of two techniques: frequency multipliers and loop oscillators.
Margarita Varon Duran   +5 more
core   +1 more source

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