... JE: 1.3 m vertical -cavity amplifier IEEE Photonics Technol Lett 2000, 12:951 Bjorlin S, Abraham P, Pasquariello D, Piprek J, Chiu Yi-J, Bowers JE: High gain, high efficiency vertical -cavity semiconductor ... PL: photoluminescence; QWs: quantum wells; VCSEL: vertical cavity surface emitting laser; VCSOA: vertical cavity semiconductor optical amplifier Acknowledgements F.AI Chaqmaqchee is grateful to ... Bowers JE: Optical gain-bandwidth product of verticalcavity laser amplifiers Electron Lett 2001, 37:298 Karim A, Bjorlin S, Piprek J, Bowers JE: Long-wavelength vertical -cavity lasers and amplifiers...