A 385–500 GHz Sideband-Separating (2SB) SIS Mixer Based on a Waveguide Split-Block Coupler

Erratum to: Int J Infrared Milli Waves DOI 10.1007/s10762-006-9052-4

In the original article the following figures were inadvertently printed as low resolution and therefore are unreadable. They are reprinted on the following pages along with the captions.

Figure 1

Fig. 1

Block diagram of a 2SB mixer.

Figure 2

Fig. 2

Diagram of the RF quadrature hybrid. Dimensions are in μm.

Figure 4

Fig. 4

(a) Diagram of the in-phase power divider. This is an E-plane Y-junction. The waveguide size is 508 μm × 254 μm. (b) Simulated results of the input return loss of the in-phase power divider when the radius is varied from 1.5 mm to 3.0 mm.

Figure 6

Fig. 6

Diagram of the LO coupler. Dimensions are in μm.

Figure 8

Fig. 8

Photograph of the RF/LO coupler.

Figure 9

Fig. 9

Photograph of the RF quadrature hybrid. The RF quadrature hybrid is a 6 branch-line coupler. The dimensions are in μm. The values with and without the parentheses show the design and optically measured values, respectively.

Figure 11

Fig. 11

Photograph of the LO coupler. This LO coupler is a 2-slot coupler. The dimensions are in μm. The values with and without the parentheses show design and optically measured values, respectively.