An Optofluidic Tweeze-and-Drag Cell Stretcher in a Microfluidic Channel

Yao, Zhanshi; Kwan, Ching Chi; Poon, Wing On

doi:10.1364/cleo_si.2019.stu3h.1

Conference on Lasers and Electro-Optics 2019

DOI: 10.1364/cleo_si.2019.stu3h.1

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An Optofluidic Tweeze-and-Drag Cell Stretcher in a Microfluidic Channel

Zhanshi Yao¹,

Ching Chi Kwan²,

Wing On Poon³

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2022

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Cited by 1 publication

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A proposal for optomechanical bichromatic wavelength switching for two-color up-conversion application

Fanid

Rostami

2022

Opt Quant Electron

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This study focuses on the Optomechanical bichromatic wavelength switching system as an indirect two-color up-conversion process that relies on optical force and nanorod scattering effects. This system is used to control light coupling between four parallel optical waveguides made of silicon nitride (Si3N4) which form two identical parts. The parallel waveguides with 0.5 µm × 0.5 µm cross-section and 220 µm lengths suspended on a silica (SiO2) substrate embedded with the array of square silicon (Si) nanorods. By mid-IR plane wave illumination, as control light, with different intensities and different wavelengths on nanorods, scattering would increase and result in an improvement in attractive gradient optical force exerted on waveguides. Via bending waveguides toward each other, caused by optical gradient force, two different visible lights, as probe signals, propagating in the first waveguide of each section would couple to the adjacent waveguide. Simulation results reveal that when the distance between the parallel waveguides in the equilibrium position is 100 nm and the intensity of mid-IR light is 1.28 mW/µm 2 total coupling would occur in two situations: 1-when the control light is 4.5 µm, the probe light with 713 nm wavelength is transmitted to the output, 2-when the control light is 3 µm, the probe light with 609 nm wavelength is transmitted to the output. In the first case 1.92 pN/µm optical force is needed to bend each waveguide by 9 nm and in the second one, 1.28 pN/µm optical force is needed to bend each waveguide by 6 nm for total coupling. The efficiency of the coupled waveguides system is %88.6 for 609 nm probe light injection and %96.5 for 713 nm probe light injection.

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A proposal for optomechanical bichromatic wavelength switching for two-color up-conversion application

Fanid

Rostami

2022

Opt Quant Electron

View full text Add to dashboard Cite

show abstract

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An Optofluidic Tweeze-and-Drag Cell Stretcher in a Microfluidic Channel

Cited by 1 publication

References 5 publications

A proposal for optomechanical bichromatic wavelength switching for two-color up-conversion application

A proposal for optomechanical bichromatic wavelength switching for two-color up-conversion application

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