Fiber-coupled erbium microlasers on a chip

Yang, Lan; Armani, D. K.; Vahala, K. J.
August 2003
Applied Physics Letters;8/4/2003, Vol. 83 Issue 5, p825
Academic Journal
An erbium-doped, toroid-shaped microlaser fabricated on a silicon chip is described and characterized. Erbium-doped sol-gel films are applied to the surface of a silica toroidal microresonator to create the microcavity lasers. Highly confined whispering gallery modes make possible single-mode and ultralow threshold microlasers.


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