Photonic-based integrated sources and antenna arrays for broadband wireless links in terahertz communications Articles uri icon

publication date

  • March 2019

start page

  • 1

end page

  • 8

issue

  • 5(054001)

volume

  • 34

International Standard Serial Number (ISSN)

  • 0268-1242

Electronic International Standard Serial Number (EISSN)

  • 1361-6641

abstract

  • This paper analyzes integrated components for ultra-broadband millimeter-wave wireless transmitters enabling the 5 G objective to increase the wireless data rates 10x to 100x . We have pursued the photonic-based approach to generate the millimeter-wave carrier (approximate to 97GHz in this paper) through photomixing. We have achieved up to 10 Gb s(-1) data rate using an OOK modulation format (to reduce latency) and either direct detection (DD) or coherent detection. We show that coherent detection enables a sensitivity improvement of 17 dB over DD. We also demonstrate in this work that such improvement can be achieved using as the transmitter a novel integrated antenna array-the self-complementary chessboard array. This avoids the use of complex coherent schemes at the receiver, enabling simple DD for ultra-broadband links.

keywords

  • photonic integration; photomixing; direct detection; coherent detection; wireless links; millimeter-wave; antenna arrays; generation; signals