Researchers demonstrate room-temperature multiband microlasers spanning a large wavelength range!
As reported in Advanced Photonics in August 2022, a team from Huazhong University of Science and Technology employed polymer-assisted thermal doping to fabricate RE-doped microcavities with ultrahigh intrinsic Q factors exceeding 100,000,000.
Read the written article summary here: spie.org/news/...