Sensitive optomechanical transduction of electric and magnetic signals to the optical domain

Anders Simonsen; Sampo Antero Saarinen; Juan Diego Sanchez; Jan Henrik Ardenkjaer-Larsen; Albert Schliesser; Eugene Simon Polzik

doi:10.1364/oe.27.018561

Sensitive optomechanical transduction of electric and magnetic signals to the optical domain

Anders Simonsen, Sampo Antero Saarinen, Juan Diego Sanchez, Jan Henrik Ardenkjaer-Larsen, Albert Schliesser, Eugene Simon Polzik

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4 Citations (Scopus)

Abstract

We report a radio-frequency-to-optical converter based on an electro-optomechanical transduction scheme where the electrical, optical, and mechanical interface was integrated on a chip and operated with a fiber-coupled optical setup. The device was designed for field tests in a magnetic resonance scanner where its small form-factor and simple operation is paramount. For the appurtenant magnetic resonance detection circuit at 32 MHz, we demonstrate transduction with an intrinsic magnetic field sensitivity of 8 fT/Hz, noise figure 2.3 dB, noise temperature 210 K, voltage noise 99 pV/Hz, and current noise 113 pA/Hz, all in a 3 dB-bandwidth of 12 kHz. Such sensitivity and bandwidth make the transducer a valuable alternative to conventional electronic preamplifiers that additionally is directly compatible with fiber communication networks.

Original language	English
Journal	Optics Express
Volume	27
Issue number	13
Pages (from-to)	18561-18578
ISSN	1094-4087
DOIs	https://doi.org/10.1364/oe.27.018561
Publication status	Published - 24 Jun 2019

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title = "Sensitive optomechanical transduction of electric and magnetic signals to the optical domain",

abstract = "We report a radio-frequency-to-optical converter based on an electro-optomechanical transduction scheme where the electrical, optical, and mechanical interface was integrated on a chip and operated with a fiber-coupled optical setup. The device was designed for field tests in a magnetic resonance scanner where its small form-factor and simple operation is paramount. For the appurtenant magnetic resonance detection circuit at 32 MHz, we demonstrate transduction with an intrinsic magnetic field sensitivity of 8 fT/Hz, noise figure 2.3 dB, noise temperature 210 K, voltage noise 99 pV/Hz, and current noise 113 pA/Hz, all in a 3 dB-bandwidth of 12 kHz. Such sensitivity and bandwidth make the transducer a valuable alternative to conventional electronic preamplifiers that additionally is directly compatible with fiber communication networks.",

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T1 - Sensitive optomechanical transduction of electric and magnetic signals to the optical domain

AU - Simonsen, Anders

AU - Saarinen, Sampo Antero

AU - Sanchez, Juan Diego

AU - Ardenkjaer-Larsen, Jan Henrik

AU - Schliesser, Albert

AU - Polzik, Eugene Simon

PY - 2019/6/24

Y1 - 2019/6/24

N2 - We report a radio-frequency-to-optical converter based on an electro-optomechanical transduction scheme where the electrical, optical, and mechanical interface was integrated on a chip and operated with a fiber-coupled optical setup. The device was designed for field tests in a magnetic resonance scanner where its small form-factor and simple operation is paramount. For the appurtenant magnetic resonance detection circuit at 32 MHz, we demonstrate transduction with an intrinsic magnetic field sensitivity of 8 fT/Hz, noise figure 2.3 dB, noise temperature 210 K, voltage noise 99 pV/Hz, and current noise 113 pA/Hz, all in a 3 dB-bandwidth of 12 kHz. Such sensitivity and bandwidth make the transducer a valuable alternative to conventional electronic preamplifiers that additionally is directly compatible with fiber communication networks.

AB - We report a radio-frequency-to-optical converter based on an electro-optomechanical transduction scheme where the electrical, optical, and mechanical interface was integrated on a chip and operated with a fiber-coupled optical setup. The device was designed for field tests in a magnetic resonance scanner where its small form-factor and simple operation is paramount. For the appurtenant magnetic resonance detection circuit at 32 MHz, we demonstrate transduction with an intrinsic magnetic field sensitivity of 8 fT/Hz, noise figure 2.3 dB, noise temperature 210 K, voltage noise 99 pV/Hz, and current noise 113 pA/Hz, all in a 3 dB-bandwidth of 12 kHz. Such sensitivity and bandwidth make the transducer a valuable alternative to conventional electronic preamplifiers that additionally is directly compatible with fiber communication networks.

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DO - 10.1364/oe.27.018561

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SN - 1094-4087

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EP - 18578

JO - Optics Express

JF - Optics Express

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Sensitive optomechanical transduction of electric and magnetic signals to the optical domain

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