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Related Experiment Video

Updated: Jun 20, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Spatial light modulator and optical dynamic memory using a 6 x 6 array of self-electro-optic-effect devices.

G Livescu1, D A Miller, J E Henry

  • 1AT&T Bell Laboratories, Holmdel, New Jersey 07733, USA.

Optics Letters
|September 12, 2009
PubMed
Summary
This summary is machine-generated.

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Researchers developed an optically addressed spatial light modulator using quantum-well devices. This modulator converts visible images into infrared light, functioning in bistable or self-linearized modes and offering 30-second memory retention.

Area of Science:

  • Optoelectronics
  • Quantum Optics
  • Materials Science

Background:

  • Spatial light modulators (SLMs) are crucial for optical information processing.
  • Existing SLMs often face limitations in conversion efficiency, speed, or functionality.
  • Integrated quantum-well devices offer potential for advanced optoelectronic applications.

Purpose of the Study:

  • To demonstrate a novel optically addressed spatial light modulator (SLM).
  • To investigate the conversion of visible incoherent light to coherent infrared (IR) light using integrated quantum-well devices.
  • To explore the device's operational modes and memory capabilities.

Main Methods:

  • Fabrication of a 6 x 6 array of integrated quantum-well self-electro-optic-effect devices.

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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Last Updated: Jun 20, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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  • Characterization of the device's performance as an SLM under visible light input.
  • Analysis of output characteristics at different IR wavelengths to identify bistable and self-linearized modes.
  • Testing of the device's memory retention capabilities.

    • Main Results:

    • Successful demonstration of an optically addressed SLM converting visible incoherent images to coherent IR light.
    • Observation of two distinct operational modes: a positive, binary-thresholded output (bistable mode) and a linear, negative output (self-linearized mode), dependent on IR wavelength.
    • Demonstration of dynamic bistable memory functionality with internal state retention for up to 30 seconds without power.

    Conclusions:

    • The integrated quantum-well device effectively functions as an optically addressed SLM with versatile output capabilities.
    • The device's ability to operate in both bistable and self-linearized modes, along with its power-free memory, presents significant advantages for optical computing and signal processing.
    • This technology holds promise for advanced applications requiring efficient and dynamic light modulation and information storage.