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Wave-Shaping Surfaces

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Andrea Alù, Physics 6, 53 (2013) – Published May 6, 2013
Ultrathin screens made of metamaterials can bend or reshape a wave transmitted through them without generating any reflection.
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Metal-Coated Waveguide Stretches Wavelengths to Infinity

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Wenshan Cai, Physics 6, 1 (2013) – Published January 2, 2013
A zero refractive index at optical frequencies, as demonstrated in a new nanoscale waveguide, enables opportunities for better control and enhancement of light propagation in waveguides, as well as development of photonic nanocircuits.
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Wiring Up Displacement Currents

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Jon Schuller, Physics 5, 52 (2012) – Published May 7, 2012
Specially designed waveguides act like conduits for high-frequency displacement currents.
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Cloaking Comes Out of the Shadows

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Ross McPhedran and Alexander Movchan, Physics 5, 2 (2012) – Published January 3, 2012
Cloaking devices made of a composite of soft and hard materials can divert elastic vibrational waves around an object as though it wasn’t there.
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Light doubles back

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David L. Andrews, Physics 4, 60 (2011) – Published August 1, 2011
Metamaterials can act as nonlinear mirrors, reflecting back an incoming electromagnetic wave at twice the frequency.
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Invisibility cloak for ultrasonic waves

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Che Ting Chan, Physics 4, 2 (2011) – Published January 10, 2011
A cloak that can make an object undetectable by ultrasonic water waves has been successfully demonstrated.
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Flipping a photonic shock wave

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Shuang Zhang and Xiang Zhang, Physics 2, 91 (2009) – Published November 2, 2009
Čerenkov radiation with the emission cone reversed has been observed in a metamaterial with negative refractive index.
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Seeing without being seen

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F. Javier García de Abajo, Physics 2, 47 (2009) – Published June 8, 2009
Materials with unusual optical properties may allow the construction of sensors surrounded by a cloaking shell that makes the detectors undetectable.