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

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

241
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
241
Integrated Healthcare System01:20

Integrated Healthcare System

1.7K
An integrated healthcare system (IHS) is a set of organizations that provides for or arranges to provide coordinated and continuous service to a defined population. The IHS takes responsibility for that particular population's health status and outcome, both clinically and fiscally. An integrated healthcare system is a well-organized, well-coordinated, and collaborative network. The integrated delivery system is a network that connects different healthcare providers to deliver organized,...
1.7K
Energy Stored In A Coaxial Cable01:31

Energy Stored In A Coaxial Cable

1.6K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.6K
Power System Distribution01:25

Power System Distribution

273
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
273
Distributed Loads01:19

Distributed Loads

559
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
559
Insulation Coordination01:23

Insulation Coordination

174
Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times...
174

You might also read

Related Articles

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

Sort by
Same author

Practice and challenges of HB-HTA in China: insights from hospital management and clinical perspectives.

International journal of technology assessment in health care·2026
Same author

Molecular understanding and clinical aspects of adoptive cellular immunotherapy in prostate cancer.

Critical reviews in oncology/hematology·2026
Same author

Seizure adequacy and safety of remimazolam in electroconvulsive therapy for patients with psychiatric disorders: a double-blind randomized crossover trial.

BMC psychiatry·2026
Same author

Overcoming ADC resistance in advanced colorectal cancer by dual targeting of TROP2 and PERK to suppress Wnt/β-catenin signaling.

Cell reports. Medicine·2026
Same author

Coastal ecological vulnerability assessment of the Bohai Sea under oil spill stress.

Marine pollution bulletin·2026
Same author

Oleanolic acid ameliorates podocyte injury by increasing autophagy to attenuate diabetic nephropathy.

The Journal of pharmacy and pharmacology·2026

Related Experiment Video

Updated: Jul 25, 2025

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

10.9K

Integrated SOAs enable energy-efficient intra-data center coherent links.

Aaron Maharry, Hector Andrade, Stephen Misak

    Optics Express
    |June 29, 2023
    PubMed
    Summary

    Integrated semiconductor optical amplifiers (SOAs) improve energy efficiency in short-reach coherent optical links. Placing SOAs after the modulator offers the best power savings, making QPSK links ideal for data centers.

    More Related Videos

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
    05:30

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

    Published on: September 8, 2023

    607
    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

    8.1K

    Related Experiment Videos

    Last Updated: Jul 25, 2025

    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.9K
    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
    05:30

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

    Published on: September 8, 2023

    607
    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

    8.1K

    Area of Science:

    • Optoelectronics
    • Data Center Networking
    • Optical Communications

    Background:

    • Coherent optical links are crucial for scaling data rates in intra-data center applications.
    • Current transceiver costs and power demands hinder the widespread adoption of high-volume, short-reach coherent links.
    • Conventional architectures designed for long-reach links require reassessment for short-reach implementations.

    Purpose of the Study:

    • To analyze the impact of integrated semiconductor optical amplifiers (SOAs) on coherent link performance and power consumption.
    • To identify optimal design spaces for low-cost and energy-efficient coherent links.
    • To evaluate the potential of SOAs in enabling advanced data center network architectures.

    Main Methods:

    • Simulation and analysis of coherent optical link performance with integrated SOAs.
    • Evaluation of energy efficiency (pJ/bit) under various link budget conditions.
    • Assessment of nonlinear impairments introduced by SOAs and their impact on modulation formats like QPSK.

    Main Results:

    • Placing SOAs after the modulator yields the most significant energy-efficient link budget improvement (up to 6 pJ/bit).
    • QPSK-based coherent links demonstrate increased robustness to SOA nonlinearities.
    • Larger supported link budgets facilitate the integration of optical switches, enhancing network capabilities.

    Conclusions:

    • Integrated SOAs are key to achieving cost-effective and energy-efficient short-reach coherent optical links.
    • Optimized SOA placement and modulation format selection (e.g., QPSK) are critical for maximizing performance.
    • The enhanced link budgets enabled by SOAs can revolutionize data center network design and improve overall energy efficiency.