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Wide tuning range wavelength-swept laser with two semiconductor optical amplifiers

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4 Author(s)
Oh, W.Y. ; Wellman Center for Photomedicine, Massachusetts Gen. Hosp., Boston, MA, USA ; Yun, S.H. ; Tearney, G.J. ; Bouma, B.E.

We demonstrate a wide tuning range high-speed wavelength-swept semiconductor laser based on a polygon scanning filter that is common to two laser cavities. Linear wavelength tuning was achieved over 145 nm around 1310 nm at a tuning repetition rate of 20 kHz. The wavelength tuning filter is expandable to accommodate multiple semiconductor optical amplifiers for further widening of the laser wavelength tuning range.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 3 )