High-speed mid-infrared quantum cascade lasers with direct modulation bandwidth of approximately 7 GHz have been developed. Error-free digital data transmission at 2.5 Gbit/s is demonstrated with devices emitting at 8 µm and operating at temperatures up to 85 K.
Inspec keywords: molecular beam epitaxial growth; ridge waveguides; aluminium compounds; III-V semiconductors; gallium arsenide; optical transmitters; error statistics; laser beams; waveguide lasers; optical fabrication; high-speed optical techniques; indium compounds; optical modulation; quantum well lasers
Other keywords:
Subjects: Laser beam modulation, pulsing and switching; mode locking and tuning; Semiconductor lasers; Optical fabrication, surface grinding; Optical communication devices, equipment and systems; Design of specific laser systems; Laser beam modulation, pulsing and switching; mode locking and tuning; Ultrafast optical techniques; Laser beam characteristics and interactions; Vacuum deposition; Vacuum deposition; Optical communication equipment; Optical waveguides; Optical waveguides and couplers; Lasing action in semiconductors
References
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-
1)
- R. Martini , C. Gmachl , J. Falciglia , F.G. Curti , C.G. Bethea , F. Capasso , E.A. Whittaker , R. Paiella , A. Tredicucci , A.L. Hutchinson , D.L. Sivco , A.Y. Cho . High-speed modulation and free-space optical audio/video transmissionusing quantum cascade lasers. Electron. Lett. , 111 - 112
-
2)
- S. Blaser , D. Hofstetter , M. Beck , J. Faist . Free-space optical data link using Peltier-cooled quantum cascade laser. Electron. Lett. , 778 - 780
-
3)
- R. Paiella , F. Capasso , C. Gmachl , D.L. Sivco , J.N. Baillargeon , A.L. Hutchinson , A.Y. Cho , H.C. Liu . Self-mode-locking in quantumcascade lasers with giant ultrafast optical nonlinearities. Science , 1739 - 1742
-
4)
- H.C. Liu , J. Lin , M. Buchanan , Z.R. Wasilewski . High-frequencyquantum-well infrared photodetectors measured by microwave-rectification technique. IEEE J. Quantum Electron. , 1024 - 1028
-
5)
- R. Paiella , R. Martini , F. Capasso , C. Gmachl , H.Y. Wang , D.L. Sivco , J.N. Baillargeon , A.Y. Cho , E.A. Whittaker , H.C. Liu . High-frequencymodulation without the relaxation oscillation resonance in quantum cascade lasers. Appl. Phys. Lett., to be published
-
6)
- J. Faist , F. Capasso , C. Sirtori , D.L. Sivco , A.Y. Cho , H.C. Liu , F. Capasso . (2000) Quantum cascade lasers, Intersubband transition in quantum wells:physics and device application II.
-
7)
- F. Capasso , C. Gmachl , R. Paiella , A. Tredicucci , A.L. Hutchinson , D.L. Sivco , J.N. Baillargeon , A.Y. Cho , H.C. Liu . New frontiers in quantum cascade lasers and applications. IEEE J. Sel. Top. Quantum Electron. , 931 - 947
-
8)
- R. Paiella , F. Capasso , C. Gmachl , C.G. Bethea , D.L. Sivco , J.N. Baillargeon , A.L. Hutchinson , A.Y. Cho , H.C. Liu . Generation and detection of high-speed pulses of mid-infrared radiationwith intersubbandsemiconductor lasers and detectors. IEEE Photonics Technol. Lett. , 780 - 782
-
9)
- P.F. Szajowski , G. Nykolak , J.J. Auburn , H.M. Presby , G.E. Tourgee , E. Korevaar , J. Schuster , I.I. Kim . 2.4 km free-spaceoptical communication 1550 nm transmission link operating at 2.5 Gb/s – experimental results. Proc. SPIE , 29 - 40
-
1)
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