Photochromic Laser Element for Direct Optical Lasing Control
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Solution Overview
Problem
In optoelectronic technologies, thermal loss and signal noise during the conversion of optical signals to electrical signals and vice versa limit the accuracy, speed, and efficiency of information processing, necessitating a solution to reduce the number of conversion elements and improve signal control.
Innovation Solution
A laser element comprising a gain medium and a photochromic compound, where the gain medium includes specific ions and anions, and the photochromic compound is controlled by optical signals to modulate lasing, utilizing a laser device with multiple light sources to excite the gain medium and control laser oscillation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If optical signals are converted to electrical signals and vice versa, then information processing can be performed, but thermal loss and signal noise increase, limiting accuracy and speed
Solution Approach 1:
The patent merges the functions of optical signal reception, signal processing, and laser control into a single integrated system. The photochromic compound directly modulates the laser medium's properties in response to optical signals, eliminating the need for separate optical-to-electrical conversion elements and reducing thermal loss while improving accuracy.
Solution Approach 2:
The photochromic compound acts as an intermediary between the optical signal and the laser medium. It receives optical signals and translates them into property changes of the laser medium, enabling direct optical control without electrical conversion, thereby reducing thermal loss and maintaining signal accuracy.
2Loss of information
If optical signals are converted to electrical signals and vice versa, then information processing can be performed, but signal noise increases, limiting speed and accuracy
Solution Approach 1:
The patent combines optical signal detection and laser control into a single integrated process. The photochromic compound directly responds to optical signals and modulates the laser medium, eliminating multiple conversion steps that generate noise, thereby reducing signal noise and improving processing speed.
Solution Approach 2:
The photochromic compound serves as an intermediary that directly translates optical signals into laser medium property changes without electrical conversion. This direct translation pathway minimizes signal noise generation while maintaining high-speed information processing capability.
3Adaptability or versatility
If multiple conversion elements are used, then optical and electrical signals can be mutually converted, but the number of elements increases, increasing device complexity
Solution Approach 1:
The patent merges multiple conversion elements into a single integrated system where the photochromic compound and laser medium work together to perform both optical signal detection and laser control functions, reducing the number of elements while maintaining full signal conversion capability.
Solution Approach 2:
The photochromic compound performs multiple functions: it detects optical signals, translates them into property changes, and controls the laser medium. This multi-functionality eliminates the need for separate conversion elements, reducing device complexity while maintaining adaptability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient control of lasing by optical signals, reducing thermal loss and signal noise, and enhancing the speed and accuracy of information processing by minimizing the number of conversion elements.
Implementation Method 1
an emission intensity of the semiconductor nanoparticle changes depending on a state of the photochromic molecule
Implementation Method 2
a first ion, a second ion, and an anion or a ligand... the gain medium in the laser element contains
Data Source
AI summary
The laser element includes a gain medium and a photochromic compound that receives a carrier from the gain medium. The gain medium may contain: a first ion including at least one selected from the group consisting of an alkali metal ion, an ammonium ion, a formamidinium ion, a guanidium ion, an imidazolium ion, a pyridinium ion, a pyrrolidinium ion, and a protonated thiourea ion; a second ion including at least one selected from the group consisting of lead, germanium, tin, antimony, and bismuth; and an anion or a ligand including at least one selected from the group consisting of a chloride ion, a bromide ion, an iodide ion, a cyanide ion, a thiocyanate, an isothiocyanate, and a sulfide.