AlGaAs/GaAs-based laser power PV converters intended for operation with high-power (up
to 100 W/cm (2)) radiation were fabricated by LPE and MOCVD techniques. Monochromatic …

Vertical pn junction photovoltaic converters are the subject of this work. In these devices,
light is injected into the semiconductor crystal through a side interface. So the current …

Increasing sunlight conversion efficiency is a key driver for on‐going solar electricity cost
reduction. For photovoltaic conversion, the approach most successful in increasing …

Thermophotonics (TPX) is a technology close to thermophotovoltaics (TPV), where a heated
light-emitting diode (LED) is used as the active thermal emitter of the system. It allows to tune …

The power consumption of a conventional photoreceiver is dominated by that of the electric
amplifier connected to the photodetector (PD). An ultralow-capacitance PD can overcome …

Single junction photovoltaic devices composed of direct bandgap III-V semiconductors such
as GaAs can exploit the effects of photon recycling to achieve record-high open circuit …

The rapid development and unique properties of two-dimensional (2D) materials, such as
graphene, phosphorene and transition metal dichalcogenides enable them to become …

A photovoltaic (PV) device based on an interband cascade (IC) structure is proposed for
efficiently converting solar and thermal energy to electricity. These IC PV devices employ …

Periodic arrays of n-GaAs nanowires have been grown by selective-area metal–organic
chemical-vapor deposition on Si and GaAs substrates. The optical absorption characteristics …

Laser diodes producing continuous-wave output power levels up to 5.4 W at room
temperature have been fabricated and tested. These monolithic arrays of 100 to 140 stripes …