Spin-VCSELs for analog radio-over-fiber systems in 5G and beyond

Nobuhide Yokota; Kazuhiro Ikeda; Hiroshi Yasaka

doi:10.1117/12.2593865

1 August 2021 Spin-VCSELs for analog radio-over-fiber systems in 5G and beyond

Nobuhide Yokota, Kazuhiro Ikeda, Hiroshi Yasaka

Proceedings Volume 11805, Spintronics XIV; 1180512 (2021) https://doi.org/10.1117/12.2593865
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

We investigate the applicability of spin-controlled vertical-cavity surface-emitting lasers (spin-VCSELs) for optical transmitters in analog radio-over-fiber systems by using spin-flip rate equations. In addition to the current modulation for generating orthogonal frequency division multiplexing (OFDM) signals, we use the spin polarization modulation to excite a high-frequency polarization oscillation corresponding to a millimeter-wave carrier frequency. The polarization oscillation is converted to intensity modulation by using a polarizer, and the millimeter-wave carrier and the OFDM signals can be combined. Our results indicate that OFDM signals with millimeter-wave carrier can be generated by using the spin- VCSEL, and bandwidth of the current modulation in the spin-VCSEL limits data rate of the OFDM signals.

Conference Presentation

Citation Download Citation

Nobuhide Yokota, Kazuhiro Ikeda, and Hiroshi Yasaka "Spin-VCSELs for analog radio-over-fiber systems in 5G and beyond", Proc. SPIE 11805, Spintronics XIV, 1180512 (1 August 2021); https://doi.org/10.1117/12.2593865

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