Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...

Photonic crystal surface-emitting lasers or PCSELs are laser diodes that generate laser beams through controlled light wave interaction within a photonic crystal structure. In a recent study, ...

Laser diodes are semiconductors that generate light and amplify it using repeated reflection or 'optical feedback'. Once the light has achieved ...

Black holes and soccer balls don't have much in common, but if black holes are curved when kicked, it might say something ...

These three factors—reflection, absorption, and diffusion—are the building blocks of a room’s acoustic make-up (aka its transfer function), affecting everything from the frequency response to the ...

The plight of Indians deported from the United States offers a reflection of the unyielding pressures that drive migration, shedding light on the harsh realities that so many are forced to confront.

Tunable lasing at around 405 nm is realised with an InGaN device featuring a narrow-ridge active channel and a periodically ...

You tell me stories of the sea—of its waves, of how it speaks to you in a language only you can understand—whenever you write back to me.

A flawed protagonist with a penchant for big knickers, Bridget Jones may be unlucky in love, but she's been stealing the ...

In this review, we take a look at the Umbra witch’s second adventure to rediscover how the Switch improves on this spectacle ...

So-called Rayleigh–Bloch waves can release enormous amount of energy that can damage technical systems under certain ...

Remains from all 67 victims of the midair collision over Washington, D.C., that sent an American Airlines regional plane and an Army Black Hawk helicopter crashing into the Potomac River have been ...