We demonstrate here that switching and tuning of a nanocavity resonance can be achieved by approaching a sub-micrometer tip inside its evanescent near-field. The resonance energy is tuned over a wide spectral range (Δλ/λ∼10-3) without significant deterioration of the cavity peak-transmittance and of the resonance linewidth. Such a result is achieved by taking benefits from a weak tip-cavity interaction regime in which the tip behaves as a pure optical path length modulator. © 2008 Optical Society of America.
A near-field actuated optical nanocavity / Cluzel, Benoit; Lalouat, Loïc; Velha, Philippe; Picard, Emmanuel; Peyrade, David; Rodier, Jean Claude; Charvolin, Thomas; Lalanne, Philippe; De Fornel, Frédérique; Hadji, Emmanuel. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 16:1(2008), pp. 279-286. [10.1364/OE.16.000279]
A near-field actuated optical nanocavity
VELHA, PHILIPPE;
2008-01-01
Abstract
We demonstrate here that switching and tuning of a nanocavity resonance can be achieved by approaching a sub-micrometer tip inside its evanescent near-field. The resonance energy is tuned over a wide spectral range (Δλ/λ∼10-3) without significant deterioration of the cavity peak-transmittance and of the resonance linewidth. Such a result is achieved by taking benefits from a weak tip-cavity interaction regime in which the tip behaves as a pure optical path length modulator. © 2008 Optical Society of America.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione
