Broadly wavelength-tunable external cavity lasers with extremely low power variation over tuning range

@article{Kwon2005BroadlyWE,
  title={Broadly wavelength-tunable external cavity lasers with extremely low power variation over tuning range},
  author={Oh Kee Kwon and Kang Ho Kim and Eun Deok Sim and Jong Hoi Kim and Hyun Soo Kim and Kwang Ryong Oh},
  journal={IEEE Photonics Technology Letters},
  year={2005},
  volume={17},
  pages={537-539}
}
Tunable external-cavity lasers with low power variation over a broad tuning range are demonstrated using asymmetric multiple quantum-wells with a wide and flat gain. For a 2.8-/spl mu/m-wide ridge waveguide laser of cavity length 380 /spl mu/m, when used in a grating external cavity and with an antireflection coating on one facet of laser diode chip, the power variation of less than -1 dB is obtained over a range of 80 nm. This extremely low power variation is a direct result of the spectrally… CONTINUE READING

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