A Multichannel THz Detector Using Integrated Bow-Tie Antennas

Table 1

Performance of detector compared with prior works.

Technology		Best NEP (pW/√Hz)	RES (V/W)	Freq. (THz)	References
RAL SBD	QO based on bow-tie	60	220–330	0.26–0.4	This work
ACST ZBD	QO based on logarithmic spiral	500	200	0.05–1	[9]
VDI ZBD	QO based on folded dipole	20	15–280	0.14–0.24	[17]
	QO based on sinuous	5	300–1000	0.15–0.4	[18]
SBD	130 nm logic CMOS	33	50–250	0.27–0.29	[14]

QO denotes quasioptical detectors; SBD denotes Schottky-barrier diode; ZBD denotes zero bias Schottky diode.