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Last year the common notion that signal disturbance has to be monitored in a quantum cryptographic link to guarantee secrecy was challenged by a new protocol. The formidable task of demonstrating it experimentally has now been achieved.
Heating LEDs from room temperature to 615 K is found to increase their emission power fourfold. The finding suggests that thermophotonics could remove the need for heat sinks for high-power devices.
Diode lasers represent a viable alternative to light sources used in many biomedical applications. Their ongoing development will further increase their importance, offering not only multiple wavelength ranges, but also higher power levels.
First studied more than a decade ago, the field of spin–orbit interactions of light has accelerated in recent years and is now being exploited in nanophotonics and the generation of complex optical fields.
Spin–orbit optical phenomena involve the interaction of the photon spin with the light wave propagation and spatial distribution, mediated by suitable optical media. Here we present a short overview of the emerging photonic applications that rely on such effects.
This Review article provides an overview of the fundamental origins and important applications of the main spin–orbit interaction phenomena in modern optics that play a crucial role at subwavelength scales.
This Progress Article details the latest achievements and underlying principles of light carrying transverse spin.The capabilities and future applications of this young yet already advanced field are highlighted.
Scientists theoretically show infrared to X-ray sources that can be implemented on-chip by scattering high-energy electrons with graphene plasmons and predict that they are capable of producing tunable radiation.
A single photon is deterministically extracted from a light pulse due to the interaction of the pulse with a single 87Rb atom coupled to a nanofibre-coupled microresonator. The extraction mechanism is insensitive to pulse shape and timing.
