Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 29, 2026

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Quasi synchronous tuning for grating feedback lasers.

Erjun Zang¹, Shaokai Wang, Yang Zhao

¹Center of Time and Frequency Metrology, National Institute of Metrology, Beijing, China.

|September 28, 2011

Summary

A new analytical form for grating feedback diode lasers enables quasi-synchronous tuning (QST). This method allows for a wide mode hopping free tuning range and simplifies external cavity diode laser design for improved stability.

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

Microglial PTP1B promotes synaptic pathology and cognitive deficits in chronic Toxoplasma gondii infection.

Brain, behavior, and immunity·2026

Same author

LncRNA modulates Dpp-mediated wing development to influence flight in Aedes aegypti.

Cellular and molecular life sciences : CMLS·2026

Same author

<i>Echinococcus Equinus</i> Found in Imported Donkeys (<i>Equus asinus</i>) From Central Asia.

Transboundary and emerging diseases·2026

Same author

Deletion of Plasmodium yoelii Merozoite Surface Protein 8 Protects Mice From Lethal Blood-Stage Malaria and Is Associated With Enhanced Splenic CCL19-CCR7 Signaling.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology·2026

Same author

WTop: A Wavelet-Driven Framework for Comprehensive Proteoform Characterization in Top-Down Mass Spectrometry.

Analytical chemistry·2026

Same author

Dynamic accumulation and co-occurrence of phthalates and squalene in settled dust: implications for assessing indoor phthalate homology and exposures.

Environmental science. Processes & impacts·2026

Area of Science:

Optics and Photonics
Laser Physics
Semiconductor Devices

Background:

Grating feedback diode lasers are crucial for tunable laser applications.
Controlling phase shift and mode hopping is essential for stable laser operation.
Existing designs often require complex adjustments and are prone to instability.

Purpose of the Study:

To propose a general analytical form for the round trip phase shift in grating feedback diode lasers.
To introduce the quasi-synchronous tuning (QST) condition for mode hopping free operation.
To simplify the design and enhance the stability of external cavity diode lasers.

Main Methods:

Development of a general analytical expression for round trip phase shift.
Analysis of the phase shift's dependence on the rotation angle.

More Related Videos

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Related Experiment Videos

Last Updated: May 29, 2026

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Identification of the quasi-synchronous tuning (QST) condition.

Main Results:

The round trip phase shift can be made independent of the rotation angle under the QST condition.
A significantly large mode hopping free tuning range is achievable within the QST region.
A single-freedom adjustment structure is sufficient to locate the quasi-synchronous pivot.

Conclusions:

The proposed analytical form simplifies the understanding and control of phase shifts in grating feedback diode lasers.
The QST condition facilitates easier design and more reliable, stable external cavity diode lasers.
This approach offers a pathway to more robust and user-friendly tunable laser systems.