Coherent control of metamaterials

Sangeeta Chakrabarti; S. Anantha Ramakrishna; Harshawardhan Wanare

doi:10.1117/12.825969

1 September 2009 Coherent control of metamaterials

Sangeeta Chakrabarti, S. Anantha Ramakrishna, Harshawardhan Wanare

Proceedings Volume 7392, Metamaterials: Fundamentals and Applications II; 73921S (2009) https://doi.org/10.1117/12.825969
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

We theoretically demonstrate the possibility of dynamically controlling the response of metamaterials at optical frequencies using the well known phenomenon of coherent control. Our results predict a variety of effects ranging from dramatic reduction of losses associated with the resonant response of metamaterials to switchable ultraslow to superluminal propagation of pulses governed by the magnetic field of the incident wave. These effects, generic to all metamaterials having a resonant response, involve embedding the metamaterial in resonant dispersive coherent atomic/molecular media. These effects may be utilized for narrow band switching applications and detectors for radiation below predetermined cut-off frequencies.

Citation Download Citation

Sangeeta Chakrabarti, S. Anantha Ramakrishna, and Harshawardhan Wanare "Coherent control of metamaterials", Proc. SPIE 7392, Metamaterials: Fundamentals and Applications II, 73921S (1 September 2009); https://doi.org/10.1117/12.825969

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