Brillouin-Assisted Notch Filtering Based All-Optical Image Rejection Mixer

Chirappanath B. Albert, Chongjia Huang, Erwin Hoi Wing Chan

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A novel approach for realizing a microwave photonic image rejection mixer is presented in this paper. It is based on using a widely tunable narrow-band optical notch filter implemented by stimulated Brillouin scattering (SBS) to remove the image signal. The image rejection mixer has a simple structure as it only requires a single integrated dual-polarization modulator for both frequency conversion and pump wave generation for the SBS process. The absence of electrical components enables the image rejection mixer to be operated over a wide frequency range with a high image rejection ratio. A technique is also proposed to suppress the noise generated by the SBS process in the image rejection mixer. Experimental results demonstrate a high and constant image rejection ratio of over 32 dB for the image rejection mixer operating over an RF signal frequency range of 11.8-19.6 GHz, and around-5 dB conversion efficiency.

Original languageEnglish
Article number8667309
Number of pages12
JournalIEEE Photonics Journal
Volume11
Issue number2
DOIs
Publication statusPublished - Apr 2019

Fingerprint

Stimulated Brillouin scattering
notches
rejection
Notch filters
Optical filters
Photonics
Modulators
Conversion efficiency
Microwaves
Pumps
Polarization
frequency ranges
scattering
wave generation
frequency converters
narrowband
modulators
photonics
pumps
filters

Cite this

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abstract = "A novel approach for realizing a microwave photonic image rejection mixer is presented in this paper. It is based on using a widely tunable narrow-band optical notch filter implemented by stimulated Brillouin scattering (SBS) to remove the image signal. The image rejection mixer has a simple structure as it only requires a single integrated dual-polarization modulator for both frequency conversion and pump wave generation for the SBS process. The absence of electrical components enables the image rejection mixer to be operated over a wide frequency range with a high image rejection ratio. A technique is also proposed to suppress the noise generated by the SBS process in the image rejection mixer. Experimental results demonstrate a high and constant image rejection ratio of over 32 dB for the image rejection mixer operating over an RF signal frequency range of 11.8-19.6 GHz, and around-5 dB conversion efficiency.",
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Brillouin-Assisted Notch Filtering Based All-Optical Image Rejection Mixer. / Albert, Chirappanath B.; Huang, Chongjia; Chan, Erwin Hoi Wing.

In: IEEE Photonics Journal, Vol. 11, No. 2, 8667309, 04.2019.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Brillouin-Assisted Notch Filtering Based All-Optical Image Rejection Mixer

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AU - Huang, Chongjia

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AB - A novel approach for realizing a microwave photonic image rejection mixer is presented in this paper. It is based on using a widely tunable narrow-band optical notch filter implemented by stimulated Brillouin scattering (SBS) to remove the image signal. The image rejection mixer has a simple structure as it only requires a single integrated dual-polarization modulator for both frequency conversion and pump wave generation for the SBS process. The absence of electrical components enables the image rejection mixer to be operated over a wide frequency range with a high image rejection ratio. A technique is also proposed to suppress the noise generated by the SBS process in the image rejection mixer. Experimental results demonstrate a high and constant image rejection ratio of over 32 dB for the image rejection mixer operating over an RF signal frequency range of 11.8-19.6 GHz, and around-5 dB conversion efficiency.

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