Although the development of graphene broadband terahertz (THz) absorbers is relatively
mature, studies focusing on modulating the absorption window remain limited. Existing …

The development of patterned graphene metasurface absorbers (PGMAs) offers potential
solutions for achieving light weight, thinness, wide absorption bandwidth, and tunable …

The broadband absorption of the solar spectrum, which is central to solar cell technology.
Despite more than a decade of development in this field, current structures obtained using …

This paper presents the performance comparison of Si-based, Ge-source, and Heterogate
(HG) TFET photosensor under visible range of spectrum using TCAD simulator. The optical …

This paper demonstrates the simultaneous imaging of multiple wavelengths through
realizing a filter-free wavelength image sensor and imaging system. The sensor can identify …

Abstract Broadband Terahertz (THz) absorbers with characteristics of thin thickness, wide
absorption bandwidth, and tunability can play a significant role in the field of electromagnetic …

In this paper, we present the design of a versatile terahertz (THz) device characterized by its
multi-functional capabilities including broadband absorption and polarization modulation …

In this paper, the optical characteristics of an extended-source double-gate tunnel field-effect
transistor (ESDG–TFET)–based photodetector in the visible range of the spectrum at …