Dual optical frequency comb downconversion of D-band mm-wave signals

TL;DR

This paper introduces a dual optical frequency comb technique that efficiently down-converts D-band millimeter-wave signals to baseband without the need for tuning or filters, simplifying signal processing.

Contribution

It presents a novel dual optical frequency comb method capable of down-converting D-band signals without tuning or filtering, using low-frequency RF components.

Findings

Successful demonstration of down-conversion of D-band signals

No need for optical or RF frequency tuning

Elimination of filters in the downconversion process

Abstract

We demonstrate a dual optical frequency comb concept that down-converts arbitrary narrowband D-band (110-170 GHz) signals to baseband without any filter or optical/RF frequency tuning, using low frequency RF components.