Narrowband grating resonator filters in InGaAsP/InP waveguides

1986 ◽  
Vol 49 (3) ◽  
pp. 125-127 ◽  
Author(s):  
R. C. Alferness ◽  
C. H. Joyner ◽  
M. D. Divino ◽  
M. J. R. Martyak ◽  
L. L. Buhl
Keyword(s):  
Resonator Filters

Low-cost compact spiral inductor resonator filters for system-in-a-package

2005 ◽  
Vol 28 (4) ◽  
pp. 761-771 ◽  
Author(s):  
Gye-An Lee ◽  
M.A. Megahed ◽  
F. De Flaviis
Keyword(s):  
Low Cost ◽  
Spiral Inductor ◽  
Resonator Filters

Wideband double-mode bulk acoustic wave resonator filters on lithium niobate using periodically slotted electrodes

2021 ◽  
Author(s):  
Ting Wu ◽  
Yu-Po Wong ◽  
Yiwen He ◽  
Jing-Fu Bao ◽  
Ken-ya Hashimoto
Keyword(s):  
Lithium Niobate ◽  
Frequency Separation ◽  
Bulk Acoustic Wave ◽  
3D Analysis ◽  
Transverse Modes ◽  
Resonance Modes ◽  
Bulk Acoustic Wave Resonator ◽  
Wave Resonator ◽  
Piston Mode ◽  
Resonator Filters

Abstract Abstract: This paper discusses applicability of periodically slotted electrodes for realization of wideband transversely-coupled double-mode resonator filters using lithium niobate (LN) thin plate. First, two-dimensional analysis is carried out, and it is shown that the periodic structure is effective to control the frequency separation between two resonance modes, and synthesis of the fractional bandwidth larger than 24% is achievable. Next, 3D analysis is performed for suppression of spurious resonances. It is shown that the mass loading at aperture edges is effective for the piston mode operation, and transverse modes can be well suppressed. It is also pointed out that the bottom electrode should be covered only the aperture region and removed from the busbar and gap regions for suppression of unwanted resonances. With these proper edge treatments, spurious-free and wide passband can be synthesized.

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