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Related Experiment Video

Updated: Apr 17, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

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High-bandwidth directly modulated quantum-well-intermixed membrane feedback laser on silicon.

Nikolaos-Panteleimon Diamantopoulos, Erina Kanno, Takuro Fujii

    Optics Letters
    |April 15, 2026
    PubMed
    Summary
    This summary is machine-generated.

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    We developed a new laser for AI data centers that achieves a record 36 GHz bandwidth, enabling faster data transfer at low energy consumption. This breakthrough supports next-generation optical interconnects for high-density computing.

    Area of Science:

    • Photonics and Optical Engineering
    • Semiconductor Lasers
    • Data Center Technology

    Background:

    • Rapid AI cluster scaling necessitates high-density, energy-efficient optical interconnects.
    • Existing solutions face challenges meeting stringent bandwidth and power demands for short-reach communication.

    Purpose of the Study:

    • To present a novel directly modulated laser for enhanced optical interconnects.
    • To achieve high bandwidth and low operating energy for AI data center applications.

    Main Methods:

    • Developed a membrane III-V-on-SiO2/Si distributed-reflector laser.
    • Utilized quantum-well-intermixed passive Bragg reflectors for stable optical feedback.
    • Employed the detuned-loading (DL) effect for bandwidth enhancement.

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    Related Experiment Videos

    Last Updated: Apr 17, 2026

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
    12:19

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

    Published on: April 4, 2017

    9.0K
    Gradient Echo Quantum Memory in Warm Atomic Vapor
    10:00

    Gradient Echo Quantum Memory in Warm Atomic Vapor

    Published on: November 11, 2013

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    Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
    09:46

    Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

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    Main Results:

    • Achieved a DL-induced relaxation oscillation frequency up to ~24 GHz.
    • Demonstrated a record 3-dB DL-enhanced modulation bandwidth exceeding 36 GHz (+45% improvement).
    • Supported 128 Gb/s PAM-4 operation with a low bit-error rate (BER < 3.8 × 10^-3) at 0.21 pJ/bit.

    Conclusions:

    • The developed laser offers robust bandwidth enhancement and low operating energy.
    • It is suitable for next-generation co-packaged optics and short-reach data center connectivity.
    • This technology addresses critical needs for high-performance AI infrastructure.