Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Expression, prognostic value and function of LMBR1L in gastric cancer.

Molecular genetics and genomics : MGG·2026
Same author

Pure reduced polyoxometalate materials as electroactive materials for assembling proton energy storage devices.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

C-band high-power (519 mW CW/ 750 mW quasi-CW), low-noise distributed feedback semiconductor laser diode.

Optics express·2026
Same author

Partial Atomic Disordered Ti<sub>2</sub>Nb<sub>10</sub>O<sub>29</sub> <sub>-x</sub> Induced by Joule Thermal Shock for Superior Lithium-Ion Storage.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Dual-wavelength DFB lasers based on continuous-phase-shift gratings for MMW/THz photomixing.

Optics letters·2026
Same author

Transcriptomics and comparative physiological analyses reveal hormone-mediated reprogramming during adventitious root induction in American chestnut (Castanea dentata).

Plant physiology and biochemistry : PPB·2026

Related Experiment Video

Updated: Jul 29, 2025

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

8.2K

DFB laser array based on four phase-shifted sampled Bragg gratings with precise wavelength control.

Yiming Sun, Bocheng Yuan, Xiao Sun

    Optics Letters
    |May 23, 2023
    PubMed
    Summary

    This study presents a novel four-laser array using sampled Bragg grating distributed feedback (DFB) lasers. The DFB laser array simplifies fabrication and meets dense wavelength division multiplexing system requirements.

    More Related Videos

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.9K
    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
    07:55

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

    Published on: September 22, 2017

    10.2K

    Related Experiment Videos

    Last Updated: Jul 29, 2025

    Writing Bragg Gratings in Multicore Fibers
    08:48

    Writing Bragg Gratings in Multicore Fibers

    Published on: April 20, 2016

    8.2K
    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.9K
    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
    07:55

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

    Published on: September 22, 2017

    10.2K

    Area of Science:

    • Photonics and Optical Engineering
    • Semiconductor Device Physics

    Background:

    • Distributed feedback (DFB) lasers are crucial for optical communication systems.
    • Achieving precise wavelength spacing and high performance in laser arrays is challenging.

    Purpose of the Study:

    • To propose, fabricate, and demonstrate a novel four-laser array based on sampled Bragg gratings.
    • To simplify the fabrication process for DFB laser arrays.

    Main Methods:

    • Utilizing sampled Bragg gratings with four phase-shift sections per sampled period.
    • Employing a ridge waveguide with sidewall gratings.
    • Integrating a semiconductor optical amplifier.

    Main Results:

    • Accurate wavelength spacing of 0.8 nm ± 0.026 nm between adjacent lasers.
    • Single mode suppression ratios exceeding 50 dB.
    • Output power up to 33 mW and optical linewidth as narrow as 64 kHz.

    Conclusions:

    • The developed DFB laser array simplifies fabrication through a single MOVPE step and III-V etching process.
    • The laser array meets the stringent requirements for dense wavelength division multiplexing (DWDM) systems.