2.4-THz Bandwidth Optical Coherent Receiver Based on a Photonic Crystal Microcomb

TL;DR

This paper presents a high-bandwidth optical coherent receiver utilizing a photonic crystal microring resonator to generate a 200-GHz frequency comb, achieving a record 2.4-THz bandwidth for spectrally-sliced signals.

Contribution

Introduction of a 200-GHz tantalum pentoxide photonic crystal microring resonator as a local oscillator for a 2.4-THz bandwidth optical coherent receiver, demonstrating record performance.

Findings

Achieved 2.4-THz bandwidth in optical coherent reception.

Utilized a 200-GHz photonic crystal microring resonator as a local oscillator.

Demonstrated spectrally-sliced single-polarization coherent detection.

Abstract

We demonstrate a spectrally-sliced single-polarization optical coherent receiver with a record 2.4-THz bandwidth, using a 200-GHz tantalum pentoxide photonic crystal microring resonator as the local oscillator frequency comb.