Hyperbolic Metamaterial as a Tunable Near-Field Spatial Filter to Implement Active Plasmon-Injection Loss Compensation
© 2018 American Physical Society. We present how to physically realize the recently introduced active plasmon-injection loss compensation scheme. Particularly, we show that the characteristics of the auxiliary source described in the active plasmon-injection scheme, including tunable narrow band and selective amplification via convolution, can be realized by using a hyperbolic metamaterial functioning as a near-field spatial filter. Besides loss compensation, the proposed approach with the near-field spatial filter can be useful for enhanced near-field superlensing and real-time high-resolution edge detection.
Physical Review Applied
Hyperbolic Metamaterial as a Tunable Near-Field Spatial Filter to Implement Active Plasmon-Injection Loss Compensation.
Physical Review Applied,
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