Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading

A novel photonic approach to generating switchable multi-format chirp waveforms using a dual-drive dual-parallel Mach–Zehnder modulator (DD-DPMZM) is proposed and experimentally demonstrated. By properly controlling the bias voltage on the DD-DPMZM, different chirp RF waveforms, including the dual-,...

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Autores principales:	Chaoqun Huang, Jun Ou, Hao Chi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	microwave photonics switchable multi-format chirp waveforms signal immunity of power fading Applied optics. Photonics TA1501-1820
Acceso en línea:	https://doaj.org/article/20a14dcb2fcb46b19438fc4728df64ef
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id	oai:doaj.org-article:20a14dcb2fcb46b19438fc4728df64ef
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spelling	oai:doaj.org-article:20a14dcb2fcb46b19438fc4728df64ef2021-11-25T18:43:26ZGeneration of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading10.3390/photonics81105012304-6732https://doaj.org/article/20a14dcb2fcb46b19438fc4728df64ef2021-11-01T00:00:00Zhttps://www.mdpi.com/2304-6732/8/11/501https://doaj.org/toc/2304-6732A novel photonic approach to generating switchable multi-format chirp waveforms using a dual-drive dual-parallel Mach–Zehnder modulator (DD-DPMZM) is proposed and experimentally demonstrated. By properly controlling the bias voltage on the DD-DPMZM, different chirp RF waveforms, including the dual-, down-, and up-chirp waveforms, can be obtained when an RF signal and a chirp RF signal are injected into the modulator. A main feature of this approach is that it can eliminate chromatic dispersion-induced RF power fading, which is highly desired in distributed multi-functional radars based on radio over fiber. There is no polarization control and optical filtering in the given scheme, which also improves the stability and feasibility of the approach. An experiment successfully demonstrated the generation and switching of the multi-format chirp waveforms and the capability of immunity to dispersion-induced power fading.Chaoqun HuangJun OuHao ChiMDPI AGarticlemicrowave photonicsswitchable multi-format chirp waveforms signalimmunity of power fadingApplied optics. PhotonicsTA1501-1820ENPhotonics, Vol 8, Iss 501, p 501 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microwave photonics switchable multi-format chirp waveforms signal immunity of power fading Applied optics. Photonics TA1501-1820
spellingShingle	microwave photonics switchable multi-format chirp waveforms signal immunity of power fading Applied optics. Photonics TA1501-1820 Chaoqun Huang Jun Ou Hao Chi Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
description	A novel photonic approach to generating switchable multi-format chirp waveforms using a dual-drive dual-parallel Mach–Zehnder modulator (DD-DPMZM) is proposed and experimentally demonstrated. By properly controlling the bias voltage on the DD-DPMZM, different chirp RF waveforms, including the dual-, down-, and up-chirp waveforms, can be obtained when an RF signal and a chirp RF signal are injected into the modulator. A main feature of this approach is that it can eliminate chromatic dispersion-induced RF power fading, which is highly desired in distributed multi-functional radars based on radio over fiber. There is no polarization control and optical filtering in the given scheme, which also improves the stability and feasibility of the approach. An experiment successfully demonstrated the generation and switching of the multi-format chirp waveforms and the capability of immunity to dispersion-induced power fading.
format	article
author	Chaoqun Huang Jun Ou Hao Chi
author_facet	Chaoqun Huang Jun Ou Hao Chi
author_sort	Chaoqun Huang
title	Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
title_short	Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
title_full	Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
title_fullStr	Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
title_full_unstemmed	Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading
title_sort	generation of switchable chirp waveforms in the photonic domain with immunity to dispersion-induced power fading
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/20a14dcb2fcb46b19438fc4728df64ef
work_keys_str_mv	AT chaoqunhuang generationofswitchablechirpwaveformsinthephotonicdomainwithimmunitytodispersioninducedpowerfading AT junou generationofswitchablechirpwaveformsinthephotonicdomainwithimmunitytodispersioninducedpowerfading AT haochi generationofswitchablechirpwaveformsinthephotonicdomainwithimmunitytodispersioninducedpowerfading
_version_	1718410759036207104

Generation of Switchable Chirp Waveforms in the Photonic Domain with Immunity to Dispersion-Induced Power Fading

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