Whispering gallery modes in a microsphere attached to a side-polished fiber and their application for Magnetic field sensing

Huang, Huimin; Yu, Yang; Zhou, Lingjun; Tao, Yuyu; Yang, Junbo; Zhang, Zhenrong

doi:10.1016/j.optcom.2020.126366

Cited by 19 publications

(9 citation statements)

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“…Photonics 2020, 7, x FOR PEER REVIEW 2 of 12 urgent need to develop low-cost and compact sensors to meet the demand of subtle measurement in the ocean. In the last decades, optical fiber sensors have attracted significant research attention due to the advantages of small size, low cost, immunity to electromagnetic interference, and easy integration and reuse [8][9][10][11][12]. There are some fiber optic sensor structures that have been developed and applied to ocean salinity measurement, such as optical reflection [13,14], fiber Bragg grating [15][16][17], fiber surface plasmon resonance [2,18], and interferometer [19,20].…”

Section: Sensing Principlementioning

confidence: 99%

Salinity Sensing Characteristics Based on Optical Microfiber Coupler Interferometer

Zhou

Huang

et al. 2020

Photonics

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In this paper, we report a novel and compact sensor based on an optic microfiber coupler interferometer (OMCI) for seawater salinity application. The OMCI device is fabricated by connecting Faraday rotating mirrors to the two out-ports of the microfiber coupler, respectively. The sensor signal processing is based on a wavelength demodulation technique. We theoretically analyze the sensing characteristics with different device structure parameters. Besides, the results show that the date reading error decreases with the thinner waist region and longer arm difference. Through the experiment, the reflection spectra red-shifted as the sea water salinity increased; the highest response sensitivity of the OMCI salinity sensor reached 303.7 pm/‰ for a range of 16.6–23.8‰, and the resolution was less than 0.03‰. This study provides a new technical solution for the development of practical optical fiber seawater salinity sensors.

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Section: Sensing Principlementioning

confidence: 99%

Salinity Sensing Characteristics Based on Optical Microfiber Coupler Interferometer

Zhou

Huang

et al. 2020

Photonics

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“…In recent years, the optical whispering gallery mode (WGM) resonator has shown enormous potential in sensing applications, such as biology [ 15 , 16 , 17 ], temperature [ 18 , 19 , 20 ], gas [ 21 ], humidity [ 22 ], laser [ 23 ], and magnetic field sensing [ 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 ]. Compared with the traditional optical resonators, the WGM resonator possesses high quality factor (Q), small mode volume and long lifetime of quantum photons.…”

Section: Introductionmentioning

confidence: 99%

Magnetic Field Sensing Based on Whispering Gallery Mode with Nanostructured Magnetic Fluid-Infiltrated Photonic Crystal Fiber

Zhang

Hao

et al. 2022

Nanomaterials

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A kind of novel and compact magnetic field sensor has been proposed and investigated experimentally. The proposed sensor consists of a tapered single mode fiber coupled with a nanostructured magnetic fluid-infiltrated photonic crystal fiber, which is easy to be fabricated. The response of magnetic fluid to magnetic field is used to measure the intensity of magnetic field via whispering gallery mode. The magnetic field-dependent shift in resonance wavelength is observed. The maximum magnetic field intensity sensitivity is 53 pm/mT. The sensor sensitivity is inversely proportional to the thickness of the photonic crystal fiber cladding.

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“…In recent years, the inverse design method of ultra-compact silicon photonic devices have drawn more and more attentions 10 – 12 . The three-channel wavelength demultiplexer 13 has a pitch of 40 nm (1500, 1540, and 1580 nm), covering an area of 24.75 μm 2 .…”

Section: Introductionmentioning

confidence: 99%

Inverse-designed ultra-compact high efficiency and low crosstalk optical interconnect based on waveguide crossing and wavelength demultiplexer

Huang

Yang

et al. 2021

Sci Rep

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In this paper, we use the inverse design method to design an optical interconnection system composed of wavelength demultiplexer and the same direction waveguide crossing on silicon-on-insulator (SOI) platform. A 2.4 μm × 3.6 μm wavelength demultiplexer with an input wavelength of 1.3–1.6 μm is designed. When the target wavelength of the device is 1.4 μm, the insertion loss of the output port is − 0.93 dB, and there is − 18.4 dB crosstalk, in TE0 mode. The insertion loss of the target wavelength of 1.6 μm in TE0 mode is − 0.88 dB, and the crosstalk is − 19.1 dB. Then, we designed a same direction waveguide crossing, the footprint is only 2.4 μm × 3.6 μm, the insertion loss of the wavelength 1.4 μm and 1.6 μm in TE0 mode is − 0.99 dB and − 1 dB, and the crosstalk is − 12.14 dB and − 14.34 dB, respectively. Finally, an optical interconnect structure composed of two devices is used, which can become the most basic component of the optical interconnect network. In TE0 mode, the insertion loss of the output wavelength of 1.4 μm at the output port is − 1.3 dB, and the crosstalk is − 29.36 dB. The insertion loss of the output wavelength of 1.6 μm is − 1.39 dB, and the crosstalk is − 38.99 dB.

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Whispering gallery modes in a microsphere attached to a side-polished fiber and their application for Magnetic field sensing

Cited by 19 publications

References 0 publications

Salinity Sensing Characteristics Based on Optical Microfiber Coupler Interferometer

Salinity Sensing Characteristics Based on Optical Microfiber Coupler Interferometer

Magnetic Field Sensing Based on Whispering Gallery Mode with Nanostructured Magnetic Fluid-Infiltrated Photonic Crystal Fiber

Inverse-designed ultra-compact high efficiency and low crosstalk optical interconnect based on waveguide crossing and wavelength demultiplexer

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