Wavelength Tuning of Multimode Interference Fiber Lasers: A Review

Guzmán-Sepúlveda, J. R.; Castillo-Guzman, A.

doi:10.1002/adpr.202100051

Cited by 9 publications

(3 citation statements)

References 38 publications

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“…Here, artificial SAs includes NPR, nonlinear optical loop mirror series (NOLM, NALM, NAbLM), Mamyshev oscillator, and NMI. [36][37][38] Real SAs includes SESAM, CNTs, graphene, and other lowdimensional nanomaterials. [39][40][41] In Section 3, typical research achievements based on traditional and emerging mode-locking techniques are discussed in more detail.…”

Section: Generation Technologies For Mid-ir Ultrashort Pulsesmentioning

confidence: 99%

Advances and Challenges of Ultrafast Fiber Lasers in 2–4 µm Mid‐Infrared Spectral Regions

Zhang,

Wu,

Guang

et al. 2023

Laser & Photonics Reviews

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Mid‐infrared (mid‐IR) ultrafast lasers are widely employed in biomedicine, molecular spectroscopy, material processing, and nonlinear optics. With the improvement of fiber gain media and other fiber optical elements, low‐cost, compact, and high‐efficiency fiber lasers open up new opportunities for 2–4 µm pulse generations, which calls for a comprehensive review of their mode‐locking mechanisms, gain media, and fiber laser system performance. This paper, beginning with an overview of pulse‐generation technologies, reviews recent progress on 2–4 µm mid‐IR ultrafast fiber lasers, including Tm3+‐, Ho3+‐doped, Tm3+/Ho3+ codoped silicate fiber 2 µm lasers, and Er3+‐, Dy3+‐doped, and Ho3+/Pr3+ codoped ZBLAN fiber 2.5–4 µm lasers. Among them, the status of 2–4 µm ultrafast fiber lasers based on 2D material passive mode‐locking is emphatically discussed. Meanwhile, the novel advances on mode‐locking and gain fibers of mid‐IR ultrafast fiber lasers are explored. Furthermore, current and prospective applications of such laser systems are also introduced in detail. This review finally summarizes challenges associated with future development of mid‐IR ultrafast fiber lasers, which provides an outlook on how to achieve more desirable laser performance (e.g., higher average power, higher pulse energy, and longer emission wavelength) that can lead to more practical uses of such lasers.

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Section: Generation Technologies For Mid-ir Ultrashort Pulsesmentioning

confidence: 99%

Advances and Challenges of Ultrafast Fiber Lasers in 2–4 µm Mid‐Infrared Spectral Regions

Zhang,

Wu,

Guang

et al. 2023

Laser & Photonics Reviews

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“…When transitions between SMF (single-mode fibre) and MMF (multi-mode fibre) are used, other processes may be activated within the cavity (optofluidic, stress optic, thermooptic, nonlinear), which produce radiation wavelength tuning [41]. It is necessary to mention that the wavelength tuning methods relying on a piece of multi-mode fibre are mostly for proof of concept and not frequently used because of high losses, because it is necessary to use liquid, because mechanically moving parts are required, and so forth.…”

Section: Elements For Output Wavelength Tuning In Short-pulsed Fibre ...mentioning

confidence: 99%

Methods of Radiation Wavelength Tuning in Short-Pulsed Fibre Lasers

Kobtsev

2023

Photonics

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Methods of output wavelength tuning in short-pulsed fibre lasers are analysed. Many of them rely on spectral selection principles long used in other types of lasers. For compatibility with the fibre-optical format, the corresponding elements are sealed in compact, airtight volumes with fibre-optical radiation input and output. A conclusion is presented about the relatively small number of inherently “fibre-optical” ways of tuning the wavelength of radiation. It is demonstrated that the range of output wavelength tuning in short-pulsed fibre lasers may span hundreds of nanometres (even without extension beyond the active medium gain contour through nonlinear effects). From the presented review results, it may be concluded that the search for the optimal tuning method complying with the user-preferred all-PM-fibre short-pulsed laser design is not yet complete.

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“…In addition, the already outstanding sensing capabilities of optical fibers can be enhanced further by tapering them in order to induce stronger evanescent interactions [11][12][13]. Moreover, the multimodal interference (MMI) phenomenon in optical fibers has been thoroughly studied, giving rise to many photonic devices, particularly fiber optic sensors [14][15][16][17][18][19] and lasers [20]. Furthermore, many RH sensors have been developed based on the MMI effect due to their simplicity, ease of assembly, low-cost requirement, and dexterity to set up non-conventional sensing schemes.…”

Section: Introductionmentioning

confidence: 99%

Relative Humidity Measurement Based on a Tapered, PVA-Coated Fiber Optics Multimode Interference Sensor

Quiñones-Flores,

Guzman-Sepulveda,

Castillo-Guzman

2023

Optics

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A relative humidity (RH) fiber optic sensor is demonstrated based on the multimode interference (MMI) phenomenon utilizing a no-core fiber (NCF) coated with polyvinyl alcohol (PVA). The sensor’s structure is simple and consists of a section of NCF spliced between two standard single-mode fibers (SMFs). The fabrication and testing of a tapered version with enhanced sensitivity is also presented. The native MMI sensor showed a sensitivity of 5.6nm/RH%, in the range from 87 RH% to 93 RH%, while the tapered one exhibited an increased sensitivity of 6.6nm/RH%, in the range from 91.5 RH% to 94 RH%. The sensitivity values obtained with these MMI sensors are at least twice as large as the most sensitive fiber optics humidity sensor reported in the literature in a similar RH range.

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Wavelength Tuning of Multimode Interference Fiber Lasers: A Review

Cited by 9 publications

References 38 publications

Advances and Challenges of Ultrafast Fiber Lasers in 2–4 µm Mid‐Infrared Spectral Regions

Advances and Challenges of Ultrafast Fiber Lasers in 2–4 µm Mid‐Infrared Spectral Regions

Methods of Radiation Wavelength Tuning in Short-Pulsed Fibre Lasers

Relative Humidity Measurement Based on a Tapered, PVA-Coated Fiber Optics Multimode Interference Sensor

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