A Novel Comb Generator for Frequency Phase Transfer

Fuente: arXiv
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Main Authors: Montano, Gabriella, Tong, Cheukyu Edward, Marrone, Dan
Format: Preprint
Published: 2025
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author Montano, Gabriella
Tong, Cheukyu Edward
Marrone, Dan
author_facet Montano, Gabriella
Tong, Cheukyu Edward
Marrone, Dan
contents This paper presents the design and testing of a millimeter-wave frequency comb generator developed for the Black Hole Explorer (BHEX) mission, a space Very-Long-Baseline Interferometry (VLBI) mission concept. The heart of BHEX is a dual-band receiver, centered at 90 and 270 GHz. This novel comb generator is based on a microwave phase modulator producing phase-coherent comb signals with multi-octave bandwidth, which will be used to track instrumental delays when injected into the receiver system. The comb generator was tested with astronomical receivers, which confirms its expected operation.
format Preprint
id arxiv_https___arxiv_org_abs_2511_22161
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Novel Comb Generator for Frequency Phase Transfer
Montano, Gabriella
Tong, Cheukyu Edward
Marrone, Dan
Instrumentation and Methods for Astrophysics
This paper presents the design and testing of a millimeter-wave frequency comb generator developed for the Black Hole Explorer (BHEX) mission, a space Very-Long-Baseline Interferometry (VLBI) mission concept. The heart of BHEX is a dual-band receiver, centered at 90 and 270 GHz. This novel comb generator is based on a microwave phase modulator producing phase-coherent comb signals with multi-octave bandwidth, which will be used to track instrumental delays when injected into the receiver system. The comb generator was tested with astronomical receivers, which confirms its expected operation.
title A Novel Comb Generator for Frequency Phase Transfer
topic Instrumentation and Methods for Astrophysics
url https://arxiv.org/abs/2511.22161