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We confirmed that an optical frequency-modulated signal can be transmitted through surface plasmon polaritons (SPPs) in a sample consisting of a gold film with a light/SPP coupler (coupling and decoupling gratings).
We have been developing the molecular tweezers that can retrieve a minute amount of molecules from solution such as DNA. Since the retrieved molecules form a bridge between two tips of tweezers, we can examine their electrical characteristics in atmospheric condition. The bridge also serves as a scaffold for nano particles. Figure 1 shows an example of a retrieved DNA wire modified by palladium nano...
We explore a technique for MEMS in situ reversible optical transduction of mechanical vibrations. While performing preliminary experiments, we found that the opto-mechanical coupling is strong enough at this scale to lead to hysteresis behavior.
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