Subwavelength structure engineered passband filter for the 2-µm wave band

Subwavelength structure engineered passband filter for the 2-µm wave band

In this work, we experimentally demonstrate a passband filter for the 2-µm wave band on the silicon-on-insulator platform. The device consists of a strip waveguide and an apodized subwavelength-structured waveguide. Fabricated on a 340-nm-thick silicon membrane, the proposed passband filter shows a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Optics letters 2023-02, Vol.48 (3), p.827-830
Hauptverfasser: He, Wenchang, Sun, Yuhan, Zhou, Peiji, Xia, Lipeng, Li, Ting, Yi, Qiyuan, Shen, Li, Cheng, Zhenzhou, Zou, Yi
Format: Artikel
Sprache:eng
Schlagworte:
Insertion loss
Sidelobe reduction
Sidelobes
Silicon
Waveguides
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:In this work, we experimentally demonstrate a passband filter for the 2-µm wave band on the silicon-on-insulator platform. The device consists of a strip waveguide and an apodized subwavelength-structured waveguide. Fabricated on a 340-nm-thick silicon membrane, the proposed passband filter shows a 3-dB bandwidth of 16-33 nm, a high sidelobe suppression ratio (SLSR) of 24 dB, and a low insertion loss (IL) of 0.4 dB.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.481426