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

Related Concept Videos

Linear Approximation in Frequency Domain

Linear Approximation in Frequency Domain

Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear.

You might also read

Related Articles

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

Sort by

Same author

Characterization studies of photonic wire bonding for fiber array integration.

Optics express·2026

Same author

Coherently distributed RF antenna arrays using photonic links.

Optics express·2025

Same author

Monolithically integrated ultra-wideband photonic receiver on thin film lithium niobate.

Communications engineering·2025

Same author

Compact thin film lithium niobate folded intensity modulator using a waveguide crossing.

Optics express·2022

Same author

Instantaneous microwave-photonic spatial-spectral channelization via k-space imaging.

Optics express·2021

Same author

Log-periodic temporal apertures for grating lobe suppression in k-space tomography.

Optics express·2020

Search research articles

Related Experiment Video

Updated: May 21, 2026

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

Dynamically induced nonlinearity in a resonant-cavity interferometric intensity modulator.

Janusz Murakowski¹, Garrett J Schneider, Dennis W Prather

¹Department of Electrical and Computer Engineering, University of Delaware, Newark, Delaware 19716, USA. jam@udel.edu

|June 21, 2012

Summary

This summary is machine-generated.

The spur-free dynamic range (SFDR) of injection-locked laser modulators was analyzed. SFDR approaches Mach-Zehnder performance near half the locking range but degrades at lower frequencies.

More Related Videos

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

Related Experiment Videos

Last Updated: May 21, 2026

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

Area of Science:

Photonics
Optical Communications
Laser Technology

Background:

Injection-locked lasers offer unique modulation properties.
Understanding performance limitations is crucial for optical system design.
Spur-free dynamic range (SFDR) is a key modulator performance metric.

Purpose of the Study:

To analyze the frequency dependence of SFDR in injection-locked laser modulators.
To compare the SFDR performance against standard Mach-Zehnder modulators.
To identify performance limitations at various modulation frequencies.

Main Methods:

Theoretical analysis of SFDR in injection-locked laser modulators.
Frequency-domain analysis of modulator performance.
Comparison with established Mach-Zehnder modulator characteristics.

Main Results:

SFDR approaches that of a Mach-Zehnder modulator as modulation frequency nears half the locking range.
At low frequencies, SFDR degrades by 2 dB per octave increase.
The analysis reveals frequency-dependent performance characteristics.

Conclusions:

Injection-locked laser modulators exhibit frequency-dependent SFDR.
Performance is comparable to Mach-Zehnder modulators under specific frequency conditions.
Low-frequency operation requires careful consideration due to SFDR degradation.