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Developing high-performance broadband graphene-based photodetectors

Researchers report a van der Waals heterostructure photodetector consisting of graphene and its fluorine-functionalized derivative that enhances the photoresponse of graphene with broadband sensitivity. The proposed scheme in this work paves the way toward implemention of high-performance broadband graphene-based photodetectors.

Posted: Jun 9th, 2017

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Tiny glow sticks

Microrods made of lanthanoid organic frameworks act as microscale optical waveguides.

Posted: Jun 8th, 2017

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Nitrides in transition

The average, everyday person might not be familiar with gallium nitride, also known as GaN, but there is a good chance they've heard of silicon, a semiconductor that's been used for decades and found in every computer and most electronics.

Posted: Jun 8th, 2017

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Optical communication using solitons on a photonic chip

Instead of using a train of soliton pulses in an optical fiber, researchers generated continuously circulating optical solitons in compact silicon nitride optical microresonators. These continuously circulating solitons lead to broadband optical frequency combs.

Posted: Jun 8th, 2017

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