Phys.org November 18, 2024
By introducing wavelength tunability, InGaN single longitudinal mode lasers can be used for pumping wavelength conversion devices with a small pump wavelength tolerance. Researchers in Japan designed a 405 nm InGaN tunable slotted laser designed and fabricated by a simple process without high-resolution lithography and epitaxial regrowth leading to continuous-wave single-mode oscillation. By current injection to active and slotted channels separately, they demonstrated a wavelength tuning range of 0.55 nm in InGaN in-plane single-mode lasers… read more. Open Access TECHNICAL ARTICLE
Fabrication process… Credit: Applied Physics Express, Volume 17, Number 8, 12 August 2024Â