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Widely tunable bottom-emitting vertical-cavity SOAs

  • Author(s): Cole, G D
  • Bjorlin, E S
  • Wang, C S
  • MacDonald, N C
  • Bowers, J E
  • et al.
Abstract

We present bottom-emitting tunable vertical-cavity semiconductor optical amplifiers (VCSOAs) with an effective wavelength tuning range of > 20 nm. These devices utilize a high reflectivity micromechanically tunable Bragg mirror as the back reflector. Compared with our first generation tunable VCSOAs, the bottom-emitting devices exhibit a two-fold increase in the effective tuning range as well as a five-fold reduction in the required tuning voltage.

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