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High-Q Interstitial Square Coupled Microring Resonators Arrays

The properties of the square array of coupled Microring Resonators (MRRs) with interstitial rings are studied. Dispersion behavior of the interstitial square coupled MRRs is obtained through the transfer matrix method with the Floquet-Bloch periodic condition. Analytical formulas of the eigen wave vectors, band gaps and eigen mode vectors are derived for the special cases of the interstitial square coupled MRRs array with identical couplers and the regular square coupled MRRs array without the interstitial rings. Then, the eigen modes' field distribution are calculated for each of the four eigen wave vectors for a given frequency through the secular equation. Finally, numerical simulation is performed for an interstitial square coupled MRRs array with identical couplers and a regular square coupled MRRs array. The simulation result verifies the analytical analysis. Finally, the loaded quality factors of the interstitial 5-ring configuration, the regular 4-ring configuration and the 1-ring configuration are obtained. It is found that the loaded quality factor of the interstitial 5-ring configuration is >20 times and >8 times as high as those of the 1-ring configuration and the regular 4-ring configuration respectively, making it attractive in applications like selective filters, ultra-sensitive sensor and four-wave mixing quantum entangled photon pair sources.

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Informasi Detail

Judul Seri

IEEE JOURNAL OF QUANTUM ELECTRONICS; Vol.56 No.4 August 2020

No. Panggil

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Penerbit

: .,

Deskripsi Fisik

p. 6500208

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

-

Edisi

-

Subjek

DISPERSION
PERIODIC ARRAY
MICRORING RESONATORS (MRRS)
QUALITY FACTOR Q

Info Detail Spesifik

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Pernyataan Tanggungjawab

Shaolin Liao, Lu Ou

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