[12p-B415-1~14] 3.6 Ultrashort-pulse and high-intensity lasers

[12p-B415-11] Er-doped microtoroid with longitudinal mode spacing of 10 nm

〇Riku Imamura¹, Keigo Nagashima¹, Rammaru Ishida¹, Takasumi Tanabe¹ (1.Keio Univ.)

Keywords:microresonator, rare-earth doped device, microlaser

We report Er-doped microlasers with longitudinal mode spacing of 10 nm. These cavities lased at C-band with low threshold power (~ 5 μW).