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

Cascaded Op Amps01:16

Cascaded Op Amps

1.3K
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...
1.3K

You might also read

Related Articles

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

Sort by
Same author

Financial Toxicity of Shorter Versus Longer Partial Breast Irradiation: A Randomized Clinical Trial.

International journal of radiation oncology, biology, physics·2026
Same author

Regression Models of Viability and Apoptosis Can be Generated Leveraging Cluster Analysis From Ovizio iLineF PRO Image Data.

Biotechnology journal·2026
Same author

Diode laser-assisted periosteal fenestration for peri-implant vestibuloplasty: A clinical technique.

Clinical advances in periodontics·2026
Same author

Multiplex methylation-specific PCR for distinguishing semen, saliva, and blood.

International journal of legal medicine·2026
Same author

PNET-PRISM: a multicenter-validated radiomics nomogram for noninvasive grading of pancreatic neuroendocrine tumors.

Insights into imaging·2026
Same author

Multicolor interband solitons in microcombs.

Light, science & applications·2026

Related Experiment Video

Updated: May 3, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

9.7K

Flexible, compact WDM receivers using cascaded optical and electrical down-conversion.

Hyun-chul Park, Molly Piels, Mingzhi Lu

    Optics Express
    |February 12, 2014
    PubMed
    Summary

    We introduce a novel wavelength division multiplexing (WDM) receiver architecture that eliminates optical filtering. This flexible WDM receiver simultaneously recovers multiple channels, boosting data capacity with increased electrical sub-carrier channels.

    More Related Videos

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    9.8K
    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.0K

    Related Experiment Videos

    Last Updated: May 3, 2026

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    9.7K
    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    9.8K
    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.0K

    Area of Science:

    • Optical Communications
    • Photonics
    • Electrical Engineering

    Background:

    • Wavelength division multiplexing (WDM) systems are crucial for increasing optical network capacity.
    • Traditional WDM receivers often require complex and costly optical filtering.
    • High-speed data transmission demands efficient and scalable receiver architectures.

    Purpose of the Study:

    • To propose a novel super-channel flexible WDM receiver architecture.
    • To demonstrate a receiver design that eliminates the need for optical filtering.
    • To enhance receiver data capacity through electrical down-conversion.

    Main Methods:

    • Utilizing a pair of coherent optical detectors (I and Q phases).
    • Implementing cascaded optical and electrical down-conversion techniques.
    • Developing and demonstrating a two-channel (± 25 GHz) receiver integrated circuit (IC).

    Main Results:

    • Simultaneous recovery of multiple wavelength-multiplexed channels without optical filtering.
    • Successful demonstration of a two-channel receiver IC with 2.5 Gb/s binary-phase-shift-key (BPSK) modulated channels.
    • Receiver data capacity shown to increase proportionally with the number of electrical sub-carrier channels.

    Conclusions:

    • The proposed WDM receiver architecture offers a filterless and flexible solution.
    • The demonstrated receiver IC is a key component for scalable WDM systems.
    • This approach enables higher data capacities in optical communication networks.