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Miniature Surface Plasmon Polariton Amplitude Modulator by Beat Frequency and Polarization Control.


ABSTRACT: The miniaturization of modulators keeps pace for the compact devices in optical applications. Here, we present a miniature surface plasmon polariton amplitude modulator (SPPAM) by directing and interfering surface plasmon polaritons on a nanofabricated chip. Our results show that this SPPAM enables two kinds of modulations. The first kind of modulation is controlled by encoding angular-frequency difference from a Zeeman laser, with a beat frequency of 1.66?MHz; the second of modulation is validated by periodically varying the polarization states from a polarization generator, with rotation frequencies of 0.5-10?k Hz. In addition, the normalized extinction ratio of our plasmonic structure reaches 100. Such miniaturized beat-frequency and polarization-controlled amplitude modulators open an avenue for the exploration of ultrasensitive nanosensors, nanocircuits, and other integrated nanophotonic devices.

SUBMITTER: Chang CW 

PROVIDER: S-EPMC4997335 | biostudies-other | 2016

REPOSITORIES: biostudies-other

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Miniature Surface Plasmon Polariton Amplitude Modulator by Beat Frequency and Polarization Control.

Chang Cheng-Wei CW   Lin Chu-En CE   Yu Chih-Jen CJ   Yeh Ting-Tso TT   Yen Ta-Jen TJ  

Scientific reports 20160825


The miniaturization of modulators keeps pace for the compact devices in optical applications. Here, we present a miniature surface plasmon polariton amplitude modulator (SPPAM) by directing and interfering surface plasmon polaritons on a nanofabricated chip. Our results show that this SPPAM enables two kinds of modulations. The first kind of modulation is controlled by encoding angular-frequency difference from a Zeeman laser, with a beat frequency of 1.66 MHz; the second of modulation is valida  ...[more]

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