View source for 18479706. SURFACE EMITTING QUANTUM CASCADE LASER AND CONTROL METHOD THEREOF simplified abstract (KABUSHIKI KAISHA TOSHIBA)

=SURFACE EMITTING QUANTUM CASCADE LASER AND CONTROL METHOD THEREOF=


==Organization Name==

[[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]


[[Category:KABUSHIKI KAISHA TOSHIBA]]

==Inventor(s)==

[[:Category:Rei Hashimoto of Edogawa Tokyo (JP)|Rei Hashimoto of Edogawa Tokyo (JP)]][[Category:Rei Hashimoto of Edogawa Tokyo (JP)]]

[[:Category:Shinji Saito of Yokohama Kanagawa (JP)|Shinji Saito of Yokohama Kanagawa (JP)]][[Category:Shinji Saito of Yokohama Kanagawa (JP)]]

[[:Category:Tsutomu Kakuno of Fujisawa Kanagawa (JP)|Tsutomu Kakuno of Fujisawa Kanagawa (JP)]][[Category:Tsutomu Kakuno of Fujisawa Kanagawa (JP)]]

[[:Category:Kei Kaneko of Yokohama Kanagawa (JP)|Kei Kaneko of Yokohama Kanagawa (JP)]][[Category:Kei Kaneko of Yokohama Kanagawa (JP)]]

==SURFACE EMITTING QUANTUM CASCADE LASER AND CONTROL METHOD THEREOF - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18479706 titled 'SURFACE EMITTING QUANTUM CASCADE LASER AND CONTROL METHOD THEREOF

==Simplified Explanation==

The abstract describes a surface emitting quantum cascade laser with specific components and configurations.

* First surface emitting laser light
* Second surface opposite to the first surface
* Active layer between the surfaces
* Photonic crystal with predetermined periodicity
* First electrode on the first surface
* Second electrode on the second surface with photonic crystal in between
* Third electrode on the second surface, separated from the second electrode

== Potential Applications ==
This technology could be used in:
* Telecommunications
* Sensing and detection systems
* Medical imaging

== Problems Solved ==
This technology addresses issues such as:
* Improving laser efficiency
* Enhancing beam quality
* Increasing output power

== Benefits ==
The benefits of this technology include:
* Higher performance
* Greater precision
* Improved reliability

== Potential Commercial Applications ==
The potential commercial applications of this technology could be in:
* Laser manufacturing companies
* Research institutions
* Defense and security industries

== Possible Prior Art ==
One possible prior art could be the development of photonic crystals in laser technology to enhance performance and efficiency.

=== Unanswered Questions ===

=== How does this technology compare to traditional laser systems in terms of efficiency and output power? ===
This article does not provide a direct comparison between this technology and traditional laser systems in terms of efficiency and output power. Further research or testing may be needed to determine the specific advantages of this surface emitting quantum cascade laser.

=== What are the potential limitations or challenges in implementing this technology on a larger scale for commercial use? ===
The article does not address the potential limitations or challenges in implementing this technology on a larger scale for commercial use. Factors such as cost, scalability, and manufacturing processes could be important considerations that need to be explored further.


==Original Abstract Submitted==

According to one embodiment, a surface emitting quantum cascade laser includes: a first surface that emits laser light; a second surface opposite to the first surface; an active layer provided between the first surface and the second surface; a photonic crystal provided between the active layer and the first surface or between the active layer and the second surface, the photonic crystal having a predetermined periodicity; a first electrode located on the first surface outside a region where the laser light is emitted; a second electrode provided on the second surface, the photonic crystal being located between the first surface and the second electrode; and a third electrode provided on the second surface and separated from the second electrode, the active layer extending between the first surface and the second electrode and between the first surface and the third electrode.



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