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Photonics 2019, 6(2), 35; https://doi.org/10.3390/photonics6020035

300 GHz Optoelectronic Transmitter Combining Integrated Photonics and Electronic Multipliers for Wireless Communication

1
Departamento de Tecnología Electrónica, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain
2
Departamento de Ingeniería Eléctrica y Electrónica, Universidad Pública de Navarra, 31006 Pamplona, Navarra, Spain
3
Departamento de Teoría de Señal, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain
4
III-V Lab, Campus de Polytechnique, Avenue Augustin Fresnel 1, 91767 Palaiseau CEDEX, France
*
Author to whom correspondence should be addressed.
Received: 6 February 2019 / Revised: 8 March 2019 / Accepted: 15 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Terahertz Photonics)
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Abstract

THz communications systems at carrier frequencies above 200 GHz are the key to enable next-generation mobile communication networks with 100 Gbit/s wireless data rates. One of the key questions is, which carrier frequency generation technique will be the most suitable. This is currently addressed by two separate approaches, electronics-based and photonics-based. We present in this paper a truly microwave photonic approach that benefits from the main key features of each, bandwidth, tunability, stability and fiber compatibility from photonics and power handling capability from the electronics. It is based on a Photonic Local Oscillator (PLO), generating a 100 GHz frequency, fed into an electronic frequency multiplier. A high speed uni-travelling carrier photodiode (UTC-PD) provides the 100 GHz PLO for Schottky tripler diodes, generating 300 GHz signal. To feed the UTC-PD, we present a photonic integrated mode locked laser source. According to the simulations and measurements, the developed transmitter can produce a maximum of 12 μW of THz power at 280 GHz. View Full-Text
Keywords: optoelectronics; microwave photonics; terahertz sources; Schottky diode; photonic integrated circuits; semiconductor laser; mode locked laser optoelectronics; microwave photonics; terahertz sources; Schottky diode; photonic integrated circuits; semiconductor laser; mode locked laser
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ali, M.; Pérez-Escudero, J.M.; Guzmán-Martínez, R.-C.; Lo, M.-C.; Ederra, I.; Gonzalo, R.; García-Muñoz, L.E.; Santamaría, G.; Segovia-Vargas, D.; van Dijk, F.; Carpintero, G. 300 GHz Optoelectronic Transmitter Combining Integrated Photonics and Electronic Multipliers for Wireless Communication. Photonics 2019, 6, 35.

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