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High Rejection and Frequency Agile Optical Filtering of RF Signals Using a Rare Earth Ion-Doped Crystal

While photonics is broadly considered as a leading solution for analog RF processing, photonic RF filters often show a limited out-of-band rejection. In this work we demonstrate a high rejection and high steepness photonic RF bandpass filter based on spectral hole burning in a rare earth ion-doped crystal. The filter is obtained by programming a frequency-selective absorption grating in the crystal. With an experimental and theoretical study we identify the optimal parameters for this filter. We achieve a remarkable rejection of 60 dB and a rejection of 45 dB at 50 MHz from the edge of the filter, compliant with most demanding applications.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.40 No.20 October 15, 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 6901-6910

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

MICROWAVE PHOTONICS
FILTERING
SPECTRAL HOLE BURNING
RARE-EARTH ION-DOPED CRYSTALS

Info Detail Spesifik

DOI: 10.1109/JLT.2022.3170216

Pernyataan Tanggungjawab

Lothaire Ulrich, Sacha Welinski, Anne Louchet-Chauvet, Julien de Rosny, Daniel Dolfi, Cyril Vaneph, Perrine Berger, Loic Morvan

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