Ultrafast manipulation of transient energy transfer between surface plasmons and resonators in hybrid nano-coupling system
Yuanyuan Yue , Zhenyu Zhang , Haiyu Wang
Chemical Research in Chinese Universities ›› 2016, Vol. 32 ›› Issue (5) : 797 -802.
Ultrafast manipulation of transient energy transfer between surface plasmons and resonators in hybrid nano-coupling system
Surface-plasmon(SP) modes triggered on metal nanostructures were strongly coupled to the local restricted electronmagnetic field supported by a Fabry-Perot(F-P) cavity. This hybrid system provided an ideal platform to study the interaction between SP and F-P resonators on nanoscales. However, the time-resolved transient energy transfer process is far from resolved. In this letter, we addressed this question by time-resolved femtosecond pump-probe technology and readily observed the transient energy transfer between SP and nanocavity resonant energy. The interaction resulted in the emergence of hybrid splitting mode and the oscillating dynamics between upper and lower polariton branch(the split hybrid states). Our work may provide a well comprehension of strong coupling between SP modes and F-P resonator modes, and lay some groundwork for many future photonic applications.
Energy transfer / Surface-plasmon / Nano-coupling system / Strong coupling / Time-resolved femtosecond pump-probe technology
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