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

Power Factor Correction01:20

Power Factor Correction

335
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
335
Gain01:15

Gain

291
Gain and phase shift are properties of linear circuits that describe the effect a circuit has on a sinusoidal input voltage or current. The circuit's behavior that contains reactive elements will depend on the frequency of the input sinusoid. As a result, it is observed that the gain and phase shift will all be frequency functions.
Gain:
Suppose Vin is the input and Vout is the output signal to a circuit.
291
Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

205
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
205
Maximum Power Transfer01:16

Maximum Power Transfer

617
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
617
Cascaded Op Amps01:16

Cascaded Op Amps

874
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
874
Characteristics of OpAmp01:17

Characteristics of OpAmp

1.4K
The operational amplifier, commonly known as an op-amp, is a specially designed electronic circuit component. Its purpose is to work in conjunction with other circuit elements to execute a defined signal-processing operation. Consider an equivalent circuit model of an op-amp, as depicted in Figure 1; the output section comprises a voltage-controlled source in parallel with the output resistance Ro.
1.4K

You might also read

Related Articles

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

Sort by
Same author

Attention-assisted deep neural network for nonlinear equalization and denoising in time-stretched photonic ADC.

Optics express·2026
Same author

Long-Term Outcomes From a Decade of Donation After Circulatory Death Heart Transplantation in Australia.

JACC. Heart failure·2026
Same author

Intermodal all-optical pulse switching and frequency conversion using temporal reflection and refraction in multimode fibers.

Nanophotonics (Berlin, Germany)·2025
Same author

112.5 Gbit/s long reach passive optical network with over 31 dB power budget enabled by semiconductor optical amplifiers.

Scientific reports·2025
Same author

Another carfentanil fatal outbreak in Florida?

Drug and alcohol dependence·2025
Same author

Australian outcomes from heart transplantation in the machine perfusion era.

Annals of cardiothoracic surgery·2024
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Nov 12, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

14.8K

Power optimization for phase quantization with SOAs using the gain extinction ratio.

Aneesh Sobhanan, Arjun Iyer, Aravind Anthur

    Optics Express
    |March 17, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Optimizing phase-sensitive amplifiers (PSAs) for phase quantization is crucial. This study introduces a method using gain extinction ratio (GER) in semiconductor optical amplifiers (SOAs) for efficient M-level phase quantization.

    More Related Videos

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
    05:57

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

    Published on: April 1, 2020

    8.3K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    11.1K

    Related Experiment Videos

    Last Updated: Nov 12, 2025

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    14.8K
    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
    05:57

    Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

    Published on: April 1, 2020

    8.3K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    11.1K

    Area of Science:

    • Nonlinear optics
    • Quantum information processing

    Background:

    • Phase-sensitive amplifiers (PSAs) enable M-level phase quantization through coherent wave mixing in nonlinear media.
    • Optimizing relative powers of mixing waves is essential for quantizer quality.
    • Gain in nonlinear media, like semiconductor optical amplifiers (SOAs), complicates optimization.

    Purpose of the Study:

    • To present a general method for optimizing phase quantization in SOAs.
    • To utilize the experimentally measurable gain extinction ratio (GER) for optimization.
    • To derive the optimal GER for achieving M-level quantization.

    Main Methods:

    • Developing a simple theory to determine the optimal GER.
    • Utilizing PSAs constructed with SOAs.
    • Experimentally demonstrating two- and four-level phase quantization schemes.

    Main Results:

    • A general method for optimizing phase quantization in SOAs using GER is presented.
    • The optimal GER required for M-level quantization is theoretically derived.
    • Successful experimental demonstration of two- and four-level phase quantization was achieved.

    Conclusions:

    • The GER is an effective metric for optimizing phase quantization in SOAs.
    • The developed method allows for efficient M-level phase quantization.
    • Low pump power levels (as low as 1 mW) are sufficient for effective phase quantization using SOAs.