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Related Concept Videos

Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
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Atomic Absorption Spectroscopy: Radiation and Light Sources01:13

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Atomic absorption spectroscopy (AAS) relies on the Beer-Lambert law, which requires that the radiation source emits a narrow range of wavelengths to match the absorption characteristics of the analyte atom. The primary criteria for choosing an appropriate radiation source in AAS is to provide a precise and intense emission at specific wavelengths that will allow accurate detection of the analyte.
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Atomic Emission Spectroscopy: Overview01:20

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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing...
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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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An integrated photonic engine for programmable atomic control.

Ian Christen1, Thomas Propson2, Madison Sutula2

  • 1Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, USA. ichr@mit.edu.

Nature Communications
|January 2, 2025
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Summary
This summary is machine-generated.

We developed a scalable photonic control system using integrated visible-light modulators for quantum technologies. This enables precise control of atom-based systems, advancing quantum computing and sensing applications.

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Area of Science:

  • Quantum Technologies
  • Integrated Photonics
  • Optics

Background:

  • Scalable, high-performance optical control is crucial for advancing atom-based quantum technologies.
  • Current integrated photonics at telecom wavelengths lack transparency for visible light atomic systems.
  • Modulating individual optical beams is key for controlling atom arrays.

Purpose of the Study:

  • To propose and implement a scalable, reconfigurable photonic control architecture for atom-based quantum systems.
  • To overcome the transparency limitations of telecom integrated photonics for visible light applications.
  • To enable precise spatial and spectral addressing of atom-like emitters.

Main Methods:

  • Development of integrated visible-light modulators using thin-film lithium niobate.
  • Combination of integrated photonics with free-space optics and holography.
  • Demonstration of multi-channel, gigahertz-rate visible beam shaping.

Main Results:

  • Successful implementation of a scalable and reconfigurable photonic control architecture.
  • Demonstration of gigahertz-rate visible beam shaping for precise control.
  • Enabling spatial and spectral addressing of silicon-vacancy artificial atoms.

Conclusions:

  • The proposed architecture provides a scalable solution for optical control in quantum technologies.
  • Integrated visible-light modulators offer a path beyond the limitations of existing photonic platforms.
  • This system facilitates dynamic control and addressing of individual atom-like emitters.