Tunable Fano-Like Lineshape in an Adiabatic Tapered Fiber Coupled to a Hollow Bottle Microresonator

Chenari, Z.; Latifi, Hamid; Ranjbar-Naeini, O. R.; Zibaii, Mohammad Ismaeel; Behroodi, Ebrahim; Asadollahi, Amir

doi:10.1109/jlt.2017.2772260

Cited by 18 publications

(7 citation statements)

References 22 publications

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“…In the experiment, we achieved the tuning of the Fano-like resonance and switched it among the Lorentzian, Fano, and EIT types by bending and twisting the device. Compared with other Fanolike resonance schemes achieved in photonic structures [1], [9]- [11], the proposed scheme can generate Fano-like resonance with only an in-line fiber structure, enabling a compact, stable and robust device. By merging the advantages of all-in-fiber device, this hybrid structure with fiber interferometer and grating shows great promises for Fano-like resonance based signal processing, multi-parameter measurement simultaneously, etc.…”

Section: Discussionmentioning

confidence: 99%

“…And electromagnetically induced transparency (EIT) is a result of Fano interference that requires coupling of a discrete transition to a continuum, creating a narrow transparency window due to elimination of the resonant absorption [8]. A variety of optical microresonators with narrow resonance linewidths such as chip-integrated microrings and microtoroids [9], individual microspheres [10], and microbottles [1], [11], have been coupled with interferometers of wide spectrum to form Fano-like resonance lineshapes. However, to access resonant modes in these microresonators, tapered microfibers or lensed fibers are essential, which make the coupling configurations rigorous and require the strict coupling gap and phase matching condition [12], [13].…”

Section: Introductionmentioning

confidence: 99%

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Fano-Like Resonance in an All-in-Fiber Structure

Jiang

Gan

et al. 2019

IEEE Photonics J.

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We achieve Fano-like resonances in an all-in-fiber structure embedded with an in-line Mach-Zehnder interferometer (MZI). A fiber Bragg grating is inserted into MZI's one arm to form a resonance, which functions as the discrete state of the Fano-like resonance to couple with the continuum propagating mode of MZI in the fiber core. A theoretical model predicts the controllable resonance lineshape by changing the phase difference between the MZI's two interference pathways. Fano-like resonances with an extinction ratio over 20 dB are experimentally observed, which are reliably tuned into Lorentzian and electromagnetically induced transparency-like resonances by versatile methods. The realization of Fano-like resonances with broad tunability in this all-in-fiber structure holds potentials in fiber-based applications of sensing, signal processing and nonlinear optics.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fano-Like Resonance in an All-in-Fiber Structure

Jiang

Gan

et al. 2019

IEEE Photonics J.

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“…[57] Considered for applications in optofluidic platforms and biosensing, a hollow bottle microresonator coupled with an adiabatic tapered fiber is utilized to generate Fano transmission lineshapes, which can be converted to the EIT types. [58] The hollow bottle microresonator is fabricated based on a pressurized silica capillary, [59] and theorical and experimental analysis shows effects of cavity position and incident light polarization in modifying transmission lineshapes. In a different hollow microbottle resonator, [60] the authors observed EIT-like transmission and pulse delay using the method of mode coupling or superposition of orthogonally polarized TE-TM WGMs.…”

Section: Electromagnetically Induced Transparencymentioning

confidence: 99%

Induced Transparency with Optical Cavities

Qin

Ding

Yin

2020

Advanced Photonics Research

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Induced transparency, an interference effect due to mode coupling, has attracted significant research interest. The first discovered and most striking type of induced transparency plays electromagnetically induced transparency (EIT) in atomic systems. Optical cavities serve as a more ideal and feasible platform for realizing the effects of induced transparency, which leads to considerable demonstrations in theory and experiments. This review provides a run‐through of research findings on different types of induced transparency phenomenon, including, inter alia, EIT, optomechanically induced transparency, plasmon‐induced transparency, Brillouin scattering induced transparency, optically induced transparency, photothermally induced transparency, and dipole‐induced transparency. Their mechanisms, developments, techniques, and applications are discussed in detail. Most importantly, the emerging area of induced transparency at exceptional points is analyzed for its great promise. The last section presents a brief summary and perspective of induced transparency with optical cavities.

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“…Since these types of resonators primarily confine WGM at their respective equatorial planes, they are generally considered as a two-dimensional resonator [7]. Subsequently, the study of resonators has been expanded to microcylindrical [8] and microbottle resonators [9] for their distinctive manner in confining WGM. Among them, the microbottle resonator is considered as a three-dimensional resonator due to the presence of two turning points [10,11].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Fluid Infiltrated Microbottle Resonator Sensor With Axial Confined Mode

Hou

Zhang

et al. 2020

IEEE Photonics J.

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We report a magnetic field sensor based on an optofluidic microbottle resonator (OFMBR) with whispering gallery mode (WGM) strongly confined in the axial direction, with the hollow core inherently easy to infiltrate the magnetic fluid. The device is simply fabricated along a silica capillary through a fusing splicer. And the influence of number of discharges on the size of the device is analyzed according to the state equation of ideal gas, which is verified by experimental results. In the magnetic field range from the critical value (40 Gs) to the saturated value (300 Gs), the resonant wavelength shifts linearly with the increase of magnetic field strength, with a sensitivity of 8.45 pm/Gs demonstrated, based on the axial confined mode of OFMBR with a Q-factor of 1.28×10 6. This sensor possesses advantages of simple structure, easy fabrication process, and compact size for magnetic field sensing.

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Tunable Fano-Like Lineshape in an Adiabatic Tapered Fiber Coupled to a Hollow Bottle Microresonator

Cited by 18 publications

References 22 publications

Fano-Like Resonance in an All-in-Fiber Structure

Fano-Like Resonance in an All-in-Fiber Structure

Induced Transparency with Optical Cavities

Magnetic Fluid Infiltrated Microbottle Resonator Sensor With Axial Confined Mode

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