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Modelocked distributed Bragg reflector laser

Modelocked distributed Bragg reflector laser

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The fabrication and performance of a modelocked distributed Bragg reflector laser is described. The laser has a threshold current of 60 mA and differential efficiency of 0.05 mW/mA when coupled into a singlemode fibre. Modelocked pulses with 7 ps pulsewidth, with a time-bandwidth (ΔtΔν) product of ~0.7 at ~5 GHz, have been obtained.

Inspec keywords: optical transmitters; laser mode locking; distributed Bragg reflector lasers; quantum well lasers

Other keywords: 7 ps; distributed Bragg reflector laser; modelocked laser; 5 GHz; 60 mA; differential efficiency; modelocked pulses; pulsewidth; time-bandwidth product; threshold current; singlemode fibre coupling

Subjects: Laser beam modulation, pulsing and switching; mode locking and tuning; Optical communication equipment; Laser beam modulation, pulsing and switching; mode locking and tuning; Design of specific laser systems; Optical communication devices, equipment and systems; Lasing action in semiconductors; Semiconductor lasers

References

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      • P.B. Hansen , G. Raybon , U. Koren , B.I. Miller , M.G. Young , M. Newkirk , M.D. Chien , B. Tell , C.A. Burrus . InGaAsP monolithic extended-cavity lasers with integrated saturable absorbersfor active, passive, and hybrid mode locking at 8.6 GHz. Appl. Phys. Lett.
    3. 3)
      • Y.K. Chen , M.C. Wu , T. Tanbun-Ek , R.A. Logan , M.A. Chin . Subpicosecond monolithic colliding-pulse mode-locked multiple quantumwell lasers. Appl. Phys. Lett.
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