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Microwave Filtering Using Forward Brillouin Scattering in Photonic-Phononic Emit-Receive Devices

Microwave photonic systems are compelling for their ability to process signals at high frequencies and over extremely wide bandwidths as a basis for next generation communication and radar technologies. However, many applications also require narrow-band (~MHz) filtering operations that are challenging to be implemented using optical filtering techniques, as this requires reliable integration of ultra-high quality factor (~10 8 ) optical resonators. One way to address this challenge is to utilize longlived acoustic resonances, taking advantage of their narrow-band frequency response to filter microwave signals. In this article, we examine new strategies to harness a narrow-band acoustic response within a microwave-photonic signal processing platform through the use of light-sound coupling. Our signal processing scheme is based on a recently demonstrated photon-phonon emitter-receiver device, which transfers information between the optical and acoustic domains using Brillouin interactions, and produces narrowband filtering of a microwave signal. To understand the best way to use this device technology, we study the properties of a microwave-photonic link using this filtering scheme. We theoretically analyze the noise characteristics of this microwave-photonic link, and explore the parameter space for the design and optimization of such systems.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.38 No.19 October 1 2020

No. Panggil

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Penerbit

: .,

Deskripsi Fisik

p. 5248 - 5261

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

MICROWAVE PHOTONICS
BRILLOUIN SCATTERING
MICROWAVE FILTERS

Info Detail Spesifik

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Pernyataan Tanggungjawab

Shai Gertler, Eric A. Kittlaus, Nils T. Otterstrom, Prashanta Kharel, Peter T. Rakich

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