A planar ultrawideband antenna with photonically controlled notched bands

Abstract

In this paper a design of a planar ultrawideband antenna with photonically controlled notched bands is presented. The design is based on the patch with a partial ground plane, with an etched T-shaped slot and integrated silicon switch. The switch is activated by a near-infrared laser diode, which causes the change in a band notch of the antenna.I.

Wideband and UWB Antennas for Wireless Applications: A Comprehensive Review

“…The need to satisfy these important requirements has given rise to a strong research activity that led to the development of a large class of antennas. In this context, of particular interest are the wideband [33][34][35][36][37][38], the multiband [39][40][41][42][43][44][45][46][47][48], and the UWB printed monopole antennas, simple [49][50][51][52][53][54][55][56][57] and with notched bands to avoid interference with other radio communication systems [58][59][60][61][62][63][64][65][66][67][68] or those suitable for supporting the circular polarization [33,[69][70][71]. A large class of geometries (rectangular, circular, elliptical, triangular, hexagonal, annular, etc.)…”

Frequency‐ and time‐domain analysis of a novel UWB reconfigurable microstrip slot antenna with switchable notched bands

“…In [5], a Π‐shaped slot is made in the antenna patch to produce a stop band in the 5.03–5.94 GHz band, which is made switchable by placing a PIN diode in a suitable position on the slot through its changeable bias. In [6], a planar UWB antenna composed of a circular patch with a T‐shaped slot is proposed, which is controlled by a silicon switch. A notched band in 3.5–5 GHz is produced for the switch in open state.…”