Narrowband interrogation of plasmonic optical fiber biosensors based on spectral combs

González-Vila, Álvaro; Kinet, Damien; Mégret, Patrice; Caucheteur, Christophe

doi:10.1016/j.optlastec.2017.05.015

Cited by 35 publications

(9 citation statements)

References 38 publications

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“…Similar approaches have been reported in the literature for interrogating strain sensors [21] and plasmonic biosensors [22]. However, the setup reported in [20] was focused on strain measurements, and the one reported in [22] was not designed to account for undesirable temperature variations during the measurements as is the setup reported herein. The signals measured in the optical spectrum analyzers (OSA) or photodetectors (DET) are, therefore, a combination of the FBGs and TFBG responses.…”

Section: Sensor Setup and Principle Of Operationmentioning

confidence: 88%

Gasoline Quality Sensor Based on Tilted Fiber Bragg Gratings

2019

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We report on the study of an intensity-based optical fiber sensor for gasoline quality monitoring. The sensor setup employs two Bragg gratings with different spectral responses to interrogate the optical response of a tilted Bragg grating. The sensor operation is based on the tilted Bragg grating sensitivity to external refractive index changes, which are translated as power variations by the interrogation scheme. Gasoline–ethanol solutions with concentrations ranging from 0% to 60% ethanol were used to demonstrate the sensor performance. The results allowed to estimate that the sensor is able, within its resolution limit, to detect ethanol concentration variations of 1.5% in gasoline–ethanol solutions and discriminate temperature variations of 0.5 °C. The all-optical sensor setup is compact and robust, making it a competitive alternative for the realization of fuel quality analyses in practical applications.

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Section: Sensor Setup and Principle Of Operationmentioning

confidence: 88%

Gasoline Quality Sensor Based on Tilted Fiber Bragg Gratings

2019

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“…Integrated optical modulators with high modulation speed, small footprint and large optical bandwidth are poised to be the enabling devices for on-chip optical interconnects [48,49]. Here, for optical modulation, a cascaded silicon Mach-Zehnder Interferometer (MZI) optical modulator is utilized [50].…”

Section: Optical Modulatormentioning

confidence: 99%

Temporal analog optical computing using an on-chip fully reconfigurable photonic signal processor

Babashah

Kavehvash

Khavasi

et al. 2019

Optics & Laser Technology

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This paper introduces the concept of on-chip temporal optical computing, based on dispersive Fourier transform and suitably designed modulation module, to perform mathematical operations of interest, such as differentiation, integration, or convolution in time domain. The desired mathematical operation is performed as signal propagates through a fully reconfigurable on-chip photonic signal processor. Although a few number of photonic temporal signal processors have been introduced recently, they are usually bulky or they suffer from limited reconfigurability which is of great importance to implement large-scale general-purpose photonic signal processors. To address these limitations, this paper demonstrates a fully reconfigurable photonic integrated signal processing system. As the key point, the reconfigurability is achieved by taking advantages of dispersive Fourier transformation, linearly chirp modulation using four wave mixing, and applying the desired arbitrary transfer function through a cascaded Mach-Zehnder modulator and phase modulator. Our demonstration reveals an operation time of 200 ps with high resolution of 300 f s. To have an on-chip photonic signal processor, a broadband photonic crystal waveguide with an extremely large group-velocity dispersion of 2.81 × 10 6 ps 2 km is utilized. Numerical simulations of the proposed structure reveal a great potential for chip-scale fully reconfigurable all-optical signal processing through a bandwidth of 400 GHz.

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“…The polarization handling devices based on PCFs filled with material, such as polarization splitters (PS) [20][21][22] and polarization rotators (PR) [23,24], have important applications in optical fiber sensing [25,26]. The PS could be divided into two fundamental modes (HE x 11 and HE y 11 ) and propagate them in different directions.…”

Section: Of 12mentioning

confidence: 99%

Design of Polarization Splitter via Liquid and Ti Infiltrated Photonic Crystal Fiber

Luo

et al. 2019

Crystals

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We propose a new polarization splitter (PS) based on Ti and liquid infiltrated photonic crystal fiber (PCF) with high birefringence. Impacts of parameters such as shape and size of the air holes in the cladding and filling material are investigated by using a vector beam propagation method. The results indicate that the PS offers an ultra-short length of 83.9 μm, a high extinction ratio of −44.05 dB, and a coupling loss of 0.0068 dB and at 1.55 μm. Moreover, an extinction ratio higher than −10 dB is achieved a bandwidth of 32.1 nm.

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Narrowband interrogation of plasmonic optical fiber biosensors based on spectral combs

Cited by 35 publications

References 38 publications

Gasoline Quality Sensor Based on Tilted Fiber Bragg Gratings

Gasoline Quality Sensor Based on Tilted Fiber Bragg Gratings

Temporal analog optical computing using an on-chip fully reconfigurable photonic signal processor

Design of Polarization Splitter via Liquid and Ti Infiltrated Photonic Crystal Fiber

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