Jul 15, 2025
Abstract: Sufficiently accurate, chirped fiber Bragg gratings for dispersion compensation at high bit rates are difficult to fabricate. We propose to determine local grating errors from a measured complex
Oct 05, 2025
On-Chip Dispersion Compensation in the 2-µm Waveband Based on Circulator-Free Silicon Nitride Chirped Bragg Grating Huang, Kan / Huang, Yanwei / Wei, Jincheng / Wang, Ruijun / Yu, Siyuanet
Jan 03, 2026
There are several types of FBG, including uniform FBG (UFBG), chirped FBG (CFBG), tilted FBG (TFBG) and long-period fiber grating (LPFG).
Aug 15, 2025
Our design is based on chirped fiber Bragg gratings (CFBGs), fabricated via femtosecond phase mask inscription, to provide tailored values of
Jul 15, 2026
Fiber Bragg grating (FBG), with its high sensitivity, immunity to electromagnetic interference, and capability for absolute measurements, exhibits excellent adaptability to diverse environmental
Oct 12, 2025
Structural health monitoring (SHM) is essential for ensuring the safety and longevity of civil engineering structures, particularly as many aging infrastructures face increased stress and
Jan 20, 2026
This work reviews the fiber‐optic sensors based on Bragg gratings, long period gratings, interferometers, surface plasmon resonance, fluorescence,
Aug 27, 2025
The advancement of sports science has heightened demands for precise monitoring of athletes'' technical movements, physiological status, and
Jun 15, 2026
Researchers at Shenzhen University have made a big leap in optical communications. They''ve demonstrated a new broadband signal filtering method using chirped and tilted fiber Bragg
Feb 15, 2026
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
Sep 12, 2025
In relation to Fiber Bragg Gratings (FBGs), chirped gratings have been widely used to address two traditional challenges: the need to broaden the bandwidth coupled by a uniform grating, and the
Aug 14, 2025
Calibration and cross-sensitivity remain significant challenges in optical fiber sensing, particularly for Fiber Bragg Grating (FBG) sensors, where the overlap between strain and
Sep 23, 2025
Abstract Overcoming inverse design problems in fiber Bragg gratings (FBGs) can be challenging due to the significant nonlinearity of the problem and the intricate relationship between
Jul 18, 2025
Conventional UV laser inscription of CTFBGs requires the optical fiber to be fixed behind the phase mask, which severely constrains the achievable grating length and makes it challenging to
Mar 12, 2026
Extended fiber-optic networks, including distributed fiber-optic sensing (DFOS) based on Rayleigh, Raman, and Brillouin scattering, together with multiplexed fiber Bragg grating (FBG)
Dec 26, 2025
Abstract: Chirped fiber Bragg gratings (CFBGs) are widely applied in telecommunications, sensing, and ultrafast laser systems due to their broadband dispersion properties. However,
May 26, 2026
By employing a chirped fiber Bragg grating (CFBG) or a bandpass filter (BPF), the pulse duration of seed is reduced to ∼1 ps. The pulses are then injected into the Yb-doped fiber amplifier
Dec 05, 2025
Based on this premise, CFBGs have found important applications in healthcare, mechanical engineering, and shock waves analysis, among others. This work reviews the present and emerging
Jan 06, 2026
We first provide some numerical results in order to prove the validity of our proposal, using a fiber Bragg grating as the dispersive device.
Jun 16, 2026
These two issues have been translated into IBG technology, where the design of integrated chirped gratings must take into account the wavelength dependence of the effective refractive index, as well
Nov 14, 2025
Abstract Chirped fiber Bragg gratings (CFBGs) have been extensively used in applications such as ultrafast lasers, fiber sensors, and fiber communications. This work presents a
Jun 03, 2026
An intensity-interrogated optical fiber hot-wire anemometer based on the chirp effect of fiber Bragg grating (FBG) is presented. The FBG is coated with
Aug 02, 2025
Furthermore, fiber Bragg grating based sensors are used to monitor the response to dynamic vehicular loading and deformations from an automotive-crash-type
Jan 30, 2026
Overcame inverse design challenges through deep learning, eliminating reliance on trial-and-error methods. Bridged the domains of photonics and artificial intelligence to enhance
May 02, 2026
This paper analyzes the principles of linear chirped fiber gratings and nonlinear chirped fiber gratings, and on the basis of summarizing the current design of chirped fiber gratings, two implementation
Mar 16, 2026
An all-polarization-maintaining (PM) figure-9 mode-locked Tm-doped fiber laser that leverages a nonlinear amplifying loop mirror (NALM) incorporated with a chirped fiber Bragg grating
Mar 05, 2026
The Bragg reflection, which determines laser performance, is influenced by the coupling coefficient, length, and grating optical loss. In order to achieve the DL effect, the lasing wavelength
Jan 18, 2026
Fiber Bragg Gratings (FBGs) are one of the most popular technology within fiber-optic sensors, and they allow the measurement of mechanical,
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