Flying particle microlaser and temperature sensor in hollow-core photonic crystal fiber

Zeltner, Richard; Pennetta, Riccardo; Xie, Shangran; Russell, P. St. J.

doi:10.1364/ol.43.001479

Cited by 37 publications

(18 citation statements)

References 31 publications

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“…Remote sensing of electric field, temperature and irradiation was demonstrated using charged particles and fluorescent particles respectively with a spatial resolution down to tens [136], © 2018 Springer Nature; e, Ref. [137], © 2016 OSA of microns [128,131,132]. In this scheme, the trapped particle responds locally to the sensing quantities when it is passing through the region of interest and, determined by the particle's properties, it can react in different degrees of freedom including transverse motion, variations in speed, fluorescence radiation, etc.…”

Section: Hc-pcf Fotsmentioning

confidence: 99%

“…In addition to plasmonic FOTs, whispering-gallery mode (WGM) resonators based on HC-PCF traps combine small optical mode volumes with narrow resonance linewidths, making them great candidates for single photon sources. Zeltner et al constructed a WGM microlaser consisting of a dye-doped particle optically trapped in the core of HC-PCF [132]. SPS is theoretically possible if the resonator can achieve a higher Q factor.…”

Section: Single-photon Sourcesmentioning

confidence: 99%

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Optical Trapping and Manipulation Using Optical Fibers

Lou

Pang

2019

Adv. Fiber Mater.

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An optical trap forms a restoring optical force field to immobilize and manipulate tiny objects. A fiber optical trap is capable of establishing the restoring optical force field using one or a few pieces of optical fiber, and it greatly simplifies the optical setup by removing bulky optical components, such as microscope objectives from the working space. It also inherits other major advantages of optical fibers: flexible in shape, robust against disturbance, and highly integrative with fiber-optic systems and on-chip devices. This review will begin with a concise introduction on the principle of optical trapping techniques, followed by a comprehensive discussion on different types of fiber optical traps, including their structures, functionalities and associated fabrication techniques. A brief outlook to the future development and potential applications of fiber optical traps is given at the end.

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Section: Hc-pcf Fotsmentioning

confidence: 99%

Section: Single-photon Sourcesmentioning

confidence: 99%

Optical Trapping and Manipulation Using Optical Fibers

Lou

Pang

2019

Adv. Fiber Mater.

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“…Since Garrett et al demonstrated the first WGM lasers in 1961 2 , WGM microresonators have been widely used in the field of microlasers because of the high Q factor and the small mode volumes 8,25,53,[61][62][63][64] . Due to these advantages, microlasers based on WGM microresonators can obtain an ultralow lasing threshold.…”

Section: Microlasersmentioning

confidence: 99%

Sensing and lasing applications of whispering gallery mode microresonators

Zheng¹,

Wu²,

Shum³

et al. 2018

Opto-Electronic Advances

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Optical whispering gallery mode (WGM) microresonators have attracted great attention due to their remarkable properties such as extremely high quality factor, small mode volume, tight confinement of modes, and strong evanescent field. All these properties of WGM microresonators have ensured their great potentials for applications, such as physical sensors, bio/chemical sensors and microlasers. In this mini-review, the key parameters and coupling conditions of WGM microresonators are firstly introduced. The geometries of WGM optical microcavities are presented based on their fabrication methods. This is followed by the discussion on the state-of-the-art applications of WGM microresonators in sensors and microlasers.

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“…For example, nanothermometers in a form of fluorescent nanoparticles doped with Er 3+ dopants have been used to measure the temperature of living cells [25]. Local temperature sensing can also be performed by using rare-earth doped tips of optical fibres [26] or using WGM spectrum of a single dye-doped particle inside a hollow fibre [27]. Substances inside the measured sample can significantly distort the signal by absorption and presence of addition signals, such as autofluorescence and Raman peaks.…”

Section: Introductionmentioning

confidence: 99%

Remote and autonomous temperature measurement based on 3D liquid crystal microlasers

Pirnat¹,

Humar²,

Muševič³

2018

Opt. Express

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We demonstrate non-contact temperature measurement with one tenth of a kelvin precision at distances of several meters using omnidirectional laser emission from dye-doped cholesteric liquid crystal droplets freely floating in a fluid medium. Upon the excitation with a pulsed laser the liquid crystal droplet emits laser light due to 3D Bragg lasing in all directions. The spectral position of the lasing is highly dependent on temperature, which enables remote and contact-less temperature measurement with high precision. Both laser excitation and collection of light emitted by microlasers is performed through a wide telescope aperture optics at a distance of up to several meters. The optical excitation volume, where the droplets are excited and emitting the laser light is of the order of ten cubic millimeters. The measurement is performed with ten second accumulation time, when several droplets pass through the excitation volume due to their motion. The time of measurement could easily be shortened to less than a second by increasing the rate of the excitation laser. Since the method is based solely on measuring the spectral position of a single and strong laser line, it is quite insensitive to scattering, absorption and background signals, such as autofluorescence. This enables a wide use in science and industry, with a detection range exceeding tens of meters.

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Flying particle microlaser and temperature sensor in hollow-core photonic crystal fiber

Cited by 37 publications

References 31 publications

Optical Trapping and Manipulation Using Optical Fibers

Optical Trapping and Manipulation Using Optical Fibers

Sensing and lasing applications of whispering gallery mode microresonators

Remote and autonomous temperature measurement based on 3D liquid crystal microlasers

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