Nonrepeating photonic crystal may enable more tunable, reliable semiconductor lasers
Over the past two decades, photonic-crystal surface-emitting lasers (PCSELs) have shown promise as a type of advanced semiconductor laser useful in defense- and aerospace-related applications.
Over the past two decades, photonic-crystal surface-emitting lasers (PCSELs) have shown promise as a type of advanced semiconductor laser useful in defense- and aerospace-related applications.
The short version
- Typically, these devices are made with photonic crystal patterns that repeat across the area of the device.
- But new research from the lab of electrical and computer engineering professor Kent Choquette has demonstrated a quasi-periodic photonic-crystal surface-emitting laser (QPCSEL).
- Fabricated with their buried dielectric platform, the group's device highlights a new avenue for creating tunable, more reliable semiconductor lasers.
What happened
Their findings appear in Applied Physics Letters. by Jeni Bushman, University of Illinois Grainger College of Engineering This article has been reviewed according to Science X's editorial process and policies .
Why it matters
Editors have highlighted the following attributes while ensuring the content's credibility: One challenge for the PCSEL field has been its reliance on geometry-dependent device fabrication.
Summary by Nerd News Network. Read the full article at Phys.org via the links above and below.