Bragg Grating Sensors in Laser-written Single Mode Polymer Waveguides

Missinne, Jeroen; Vasiliev, Anton; Elmogi, Ahmed; Beneitez, Nuria Teigell; Bosman, Erwin; Hoe, Bram Van; Steenberge, Geert Van

doi:10.1016/j.proeng.2015.08.756

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…It is feasible to create tiny grating constants in hundreds of nanometers or fewer using modern X-ray photolithography (XRL) [ 108 ], electron beam lithography (EBL) [ 109 ], a focused ion beam (FIB), or nanoimprinting lithography (NIL) [ 110 ]. During the last few decades, DLW based on femtosecond (fs) pulse-induced light–matter interaction has grown significantly [ 111 , 112 ]. The ability to leverage numerous nonlinear light–matter interaction regimes as well as manage the thermal component of the process are fundamental benefits of employing fs lasers for DLW.…”

Section: Bg Structures Based On a Polymer Platformmentioning

confidence: 99%

Advances in Waveguide Bragg Grating Structures, Platforms, and Applications: An Up-to-Date Appraisal

2022

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A Bragg grating (BG) is a one-dimensional optical device that may reflect a specific wavelength of light while transmitting all others. It is created by the periodic fluctuation of the refractive index in the waveguide (WG). The reflectivity of a BG is specified by the index modulation profile. A Bragg grating is a flexible optical filter that has found broad use in several scientific and industrial domains due to its straightforward construction and distinctive filtering capacity. WG BGs are also widely utilized in sensing applications due to their easy integration and high sensitivity. Sensors that utilize optical signals for sensing have several benefits over conventional sensors that use electric signals to achieve detection, including being lighter, having a strong ability to resist electromagnetic interference, consuming less power, operating over a wider frequency range, performing consistently, operating at a high speed, and experiencing less loss and crosstalk. WG BGs are simple to include in chips and are compatible with complementary metal-oxide-semiconductor (CMOS) manufacturing processes. In this review, WG BG structures based on three major optical platforms including semiconductors, polymers, and plasmonics are discussed for filtering and sensing applications. Based on the desired application and available fabrication facilities, the optical platform is selected, which mainly regulates the device performance and footprint.

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Section: Bg Structures Based On a Polymer Platformmentioning

confidence: 99%

Advances in Waveguide Bragg Grating Structures, Platforms, and Applications: An Up-to-Date Appraisal

2022

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“…Beyond telecommunications, these waveguides find application in sensing realms, including refractive index, temperature, and strain measurements, leveraging the wavelength shift induced by fluctuations in the surrounding environment [8][9][10][11]. The ever-expanding versatility of BG waveguides serves as a driving force behind continuous innovations in optical communication [12] and sensing technologies [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Small Footprint and High Extinction Ratio Cladding-Modulated Bragg Grating Structure as a Wideband Bandstop Filter

Butt,

Piramidowicz

2024

Photonics

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This study presents a comprehensive numerical investigation of silicon Bragg grating (BG) waveguide structures with cladding modulation. The device design features a uniform silicon ridge waveguide with corrugated cladding on both sides. Two distinct architectures are explored: one where silicon serves as the cladding and another where gold (Au) is employed. Our detailed analysis uncovers compelling results for both configurations. The silicon corrugated cladding BG waveguide demonstrates a bandstop bandwidth of ~50 nm, accompanied by an extinction ratio (ER) of 7.98 dB. The device footprint is compact, measuring approximately 16.4 × 3 µm2. In contrast, the Au corrugated cladding BG waveguide exhibits exceptional performance, boasting a wideband bandstop bandwidth of ~143 nm and an impressive ER of 19.96 dB. Despite this enhanced functionality, the device maintains a reasonably small footprint at around 16.9 × 3 µm2. This investigation underscores the potential of Au corrugated cladding BG waveguides as ideal candidates for achieving high-spectral-characteristic bandstop filters. The significant improvement in bandstop bandwidth and ER makes them promising for advanced optical filtering applications.

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Flexible and low-cost fabrication of optical waveguides by UV laser resist-mask writing

Bonneville

Méndez-Rosales

Frankis

et al. 2019

Opt. Mater. Express

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Bragg Grating Sensors in Laser-written Single Mode Polymer Waveguides

Cited by 3 publications

References 8 publications

Advances in Waveguide Bragg Grating Structures, Platforms, and Applications: An Up-to-Date Appraisal

Advances in Waveguide Bragg Grating Structures, Platforms, and Applications: An Up-to-Date Appraisal

Small Footprint and High Extinction Ratio Cladding-Modulated Bragg Grating Structure as a Wideband Bandstop Filter

Flexible and low-cost fabrication of optical waveguides by UV laser resist-mask writing

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