Select-cutoff Mach-Zehnder interferometer based on waist-enlarged technique and its multi-wavelength fiber laser application

Martinez-Ramirez, L.G.; Alvarado, E.C. Silva; Gallegos-Arellano, E.; Fernandez‐Jaramillo, Arturo A.; Estudillo‐Ayala, J. M.; Jáuregui-Vázquez, D.; Rojas-Laguna, R.; Sierra-Hernández, J. M.

doi:10.1016/j.infrared.2022.104508

Cited by 14 publications

(1 citation statement)

References 59 publications

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“…One of the most active research directions is based on the principle of multimode interference, interference between the core mode and cladding mode, and mode interference of special fibers. Previous researchers have predominantly concentrated on the fiber core-wrapped offset structure [5][6][7], the fiber taper or waist-enlarged structure [8][9][10], and the singlemode-multimode-single-mode structure [11,12]. More recent * Author to whom any correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

Research on sensing characteristics of microfluidic sensor based on photonic crystal fiber

Wang,

Luo

et al. 2024

Meas. Sci. Technol.

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To address the challenges associated with sample injection into the air hole of photonic crystal fiber and collimation, in this paper, we assemble a single-mode photonic crystal single-mode fiber structure sensor chip based on the Mach-Zehnder interference principle using microfluidic chip processing technology. The sensing principle is analyzed mathematically and the sensing characteristics are verified theoretically and experimentally. The temperature sensitivity of the sensor is −1.3325 nm/℃, and the refractive index sensitivity is 1666.2 nm/RIU. This structure solves the difficulty of filling and coupling photonic crystal fibers. Furthermore, it introduces a novel research methodology for the design and assembly of high-performance biosensors based on photonic crystal fibers.

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