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Analysis of Modulated Terahertz Wave Radiation Characteristics in a Monolithic Integrated Structure Consisting of a Resonant Tunneling Diodes, a Photodiodes and a Self-Complementary Bow-Tie Antenna

Masataka NAKANISHI, Michihiko SUHARA, Kiyoto ASAKAWA

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Summary :

We numerically demonstrate a possibility on-off keying (OOK) type of modulation over tens gigabits per second for sub-terahertz radiation in our proposed wireless transmitter device structure towards radio over fiber (RoF) technology. The integrated device consists of an InP-based compound semiconductor resonant tunneling diode (RTD) adjacent to an InP-based photo diode (PD), a self-complementary type of bow-tie antenna (BTA), external microstrip lines. These integration structures are carefully designed to obtain robust relaxation oscillation (RO) due to the negative differential conductance (NDC) characteristic of the RTD and the nonlinearity of the NDC. Moreover, the device is designed to exhibit OOK modulation of RO due to photo current from the PD inject into the RTD. Electromagnetic simulations and nonlinear equivalent circuit model of the whole device structure are established to perform large signal analysis numerically with considerations of previously measured characteristics of the triple-barrier RTD.

Publication
IEICE TRANSACTIONS on Electronics Vol.E102-C No.6 pp.466-470
Publication Date
2019/06/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.2018FUS0005
Type of Manuscript
BRIEF PAPER
Category

Authors

Masataka NAKANISHI
  Tokyo Metropolitan University
Michihiko SUHARA
  Tokyo Metropolitan University
Kiyoto ASAKAWA
  Tokyo Metropolitan College of Industrial Technology

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