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関連する概念動画

Electro-mechanical Systems01:19

Electro-mechanical Systems

1.5K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.5K
Solenoids01:17

Solenoids

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A solenoid is a conducting wire coated with an insulating material, wound tightly in the form of a helical coil. The magnetic field for a solenoid is the vector sum of the magnetic field due to its individual turns. For an ideal solenoid, the magnetic field inside is almost uniform and parallel to the solenoid axis, while the magnetic field outside the solenoid is nearly zero.
Each turn in a solenoid can be approximated as a circular current carrying coil that generates a dipole moment. The...
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Semiconductors01:22

Semiconductors

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There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
1.2K
LC Circuits01:21

LC Circuits

3.1K
An LC circuit consists of an inductor and a capacitor, either in series or parallel. Consider a charged capacitor connected with an inductor in series. Before the switch is closed, all the energy of the circuit is stored in the electric field of the capacitor. When the switch is closed, the capacitor begins to discharge, producing a current in the circuit. The current, in turn, creates a magnetic field in the inductor. Because of the induced emf in the inductor, the current cannot change...
3.1K
Clamper Circuit01:14

Clamper Circuit

853
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
853
Integrator and Differentiator01:13

Integrator and Differentiator

1.3K
Op-amp circuits have significant applications in various fields, including automotive engineering. One such application is cruise control systems in cars, where op-amp circuits are integral for maintaining a constant speed. In these systems, op-amps function as both integrators and differentiators.
An integrator within an op-amp circuit produces an output directly proportional to the integral of the input signal. This is achieved by replacing the feedback resistor in a typical inverting...
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Updated: Dec 18, 2025

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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統合された鍵付きソリトンマイクロコンブ

Boqiang Shen1, Lin Chang2, Junqiu Liu3

  • 1T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA, USA.

Nature
|June 20, 2020
PubMed
まとめ
この要約は機械生成です。

研究者は新しいソリトンマイクロコンブシステムを開発し ポンプレーザーと統合し 即座に動作させました この突破は複雑な起動プロトコルを簡素化し,チップベースの光学周波数の大量生産を可能にします.

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関連する実験動画

Last Updated: Dec 18, 2025

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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科学分野:

  • フォトニックと光学工学
  • 統合光学
  • 量子技術

背景:

  • 光学周波数は多くの科学技術的な用途に不可欠です.
  • マイクロレゾナー内の分散型ケルソリトンは,ミニチュアおよび統合したのシステムの鍵です.
  • 既存のマイクロコンブシステムは複雑な起動とフィードバックを必要とし,統合を妨げています.

研究 の 目的:

  • ポンプレーザーと統合されたソリトンのマイクロコンブの鍵付き操作体制を実証する.
  • マイクロコンブシステムの複雑な光学および電子制御回路の必要性を排除する.
  • チップベースのソリトンマイクロコンブの大量生産を可能にします.

主な方法:

  • 新しいソリトンのマイクロコンブ操作の実験的実証と理論的記述.
  • マイクロレゾナーとポンプレーザーの併用
  • 高品質のSi3N4共振器を使用しています.

主要な成果:

  • パンプレーザーを起動すると即座にソリトンの生成が示され,複雑な起動は排除されます.
  • 繰り返しの周波数が15GHzほど低いマイクロコンブを達成した.
  • 業界標準のバターフライパックに 統合しました

結論:

  • 開発された鍵付き操作システムはマイクロコンブシステムを大幅に簡素化します.
  • この進歩は,チップベースのソリトンマイクロコンブを広く採用する道を開きます.
  • 統合され操作が容易なシステムは 大量生産に強い利点をもたらします