A novel application of semi-insulating InGaAs to a complex coupled DFB-LD is described. Its superior performance in terms of optical efficiency, modulation bandwidth and chirp are described.
Inspec keywords: III-V semiconductors; optical transmitters; diffraction gratings; gallium arsenide; chirp modulation; semiconductor lasers; distributed feedback lasers; indium compounds
Other keywords:
Subjects: Optical communication devices, equipment and systems; Modulation and coding methods; Optical communication; Lasing action in semiconductors; Semiconductor lasers; Laser beam modulation, pulsing and switching; mode locking and tuning; Gratings, echelles; Design of specific laser systems
References
-
-
1)
- G.P. Li , T. Makino , R. Moore , N. Puctz . 1.55 µm index/gain coupled DFB lasers with strained layer multiquantum-well active grating. Electron. Lett. , 18 , 1726 - 1727
-
2)
- C. Park , J.S. Kim , D.K. Oh , D.J. Jang , C.Y. Park , J.H. Ahn , H.M. Kim , H.R. Choo , H. Kim , K.E. Pyun . Low threshold loss coupled laser diode by new grating fabrication technique. IEEE Photonics Technol. Lett. , 1 , 22 - 24
-
3)
- Z.M. Chuang , C.Y. Wang , W. Lin , H.H. Liao , J.Y. Su , Y.K. Tu . Very low threshold, high efficient, and low chirp 1.55 µm complex coupled DFB-LD with a current blocking grating. IEEE Photonics Technol. Lett. , 1435 - 1437
-
4)
- W.T. Tsang , F.S. Choa , M.C. Wu , Y.K. Chen , R.A. Logan , A.M. Sergent , C.A. Burrus . Long-wavelength InGaAsP/InP distributed feedback lasers incorporating gain coupled mechanism. IEEE Photonics Technol. Lett. , 212 - 215
-
5)
- R. Nagarajan , T. Fukushima , M. Ishikawa , J.E. Bowers , R.S. Geels , L.A. Coldren . Transport limits in high-speed quantum-well lasers: experiment and theory. IEEE Photonics Technol. Lett. , 2 , 121 - 123
-
1)
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