Hyperband electro-optic modulator based on a two-pulley coupled lithium niobate racetrack resonator

Integrated optical modulators (IOMs) are crucial components of on-chip photonic circuits. However, most conventional IOMs are restricted to specific spectral bands. Here, we leveraged the wide transparency window of lithium niobate in conjunction with the two-pulley coupled resonator method. This ap...

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Veröffentlicht in:Optics letters 2024-02, Vol.49 (3), p.658-661
Hauptverfasser: Hwang, Hyeon, Nurrahman, Mohamad Reza, Heo, Hyungjun, Ko, Kiyoung, Moon, Kiwon, Ju, Jung Jin, Han, Sang-Wook, Jung, Hojoong, Lee, Hansuek, Seo, Min-Kyo
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Sprache:eng
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Zusammenfassung:Integrated optical modulators (IOMs) are crucial components of on-chip photonic circuits. However, most conventional IOMs are restricted to specific spectral bands. Here, we leveraged the wide transparency window of lithium niobate in conjunction with the two-pulley coupled resonator method. This approach led to the development of a hyperband electro-optic (EO) modulator that operates over an expansive spectral range from 775 to 1550 nm on a single device. The demonstrated EO modulator exhibits half-wave voltage-length products of 0.25, 0.93, and 0.68 V·cm at wavelengths of 1539.50, 969.70, and 775.17 nm, respectively.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.514192