Si3N4-chip-based versatile photonic RF waveform generator with a wide tuning range of repetition rate

Zihang Zhu*, Yang Liu, Moritz Merklein, Ziqian Zhang, David Marpaung, Benjamin J. Eggleton

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

In this Letter, we demonstrate a Si3N4-chip-based photonic approach to generate versatile radio frequency (RF) waveforms with a large tuning range of repetition rates. The amplitude and phase of the RF-phase-modulated signal are spectrally manipulated to synthesize Fourier coefficients of the desired RF waveforms by controlling the resonance conditions and frequencies of Si3N4 optical ring resonators. Full-duty-cycle triangular, square, and sawtooth waveforms with widely tunable repetition rates from 1 to 13 GHz were experimentally generated.

Original languageEnglish
Article number383876
Pages (from-to)1370-1373
Number of pages4
JournalOptics letters
Volume45
Issue number6
DOIs
Publication statusPublished - 15 Mar 2020

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