In this project a millimeter-wave transmitter system using integrated photonics is proposed and designed. The system is in line with the centralized radio access network (C-RAN) architecture and the remote antenna units (RAUs) will be monolithically integrated in a single photonic integrated circuit (PIC). An on-chip antenna and an optical true-time delay (OTTD) network are designed, which led to two cell designs that will be fabricated on the InP membrane on silicon (IMOS) platform. For the design of the on-chip antenna, mitigating surface waves was identified as the main challenge. In the proposed system the OTTD network needs to be tunable by changing the frequency of the signal. It was concluded that in that case optical ring resonators (ORRs) are not a viable option and switched delay lines should be used instead. Experiments using dual integrated lasers are described, and recommendations for the calibration and tuning approach of the laser system are given.
Millimeter-Wave Wireless Communication Systems Using Integrated Photonics
Bas, B. (Auteur). 21 feb. 2023
Scriptie/Masterproef: Master