Distributed feedback laser emitting at 1.3 µm for gigabit communication systems

A distributed feedback (DFB) laser emitting at 1.3 μm for gigabit lightwave communication systems has been developed. The distributed feedback structure has been introduced in a newly developed buried heterostructure and designs for stable single-mode operation, high speed modulation, and low noise...

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Veröffentlicht in:	Journal of lightwave technology 1987, Vol.5 (6), p.848-855
Hauptverfasser:	Ishikawa, H., Soda, H., Wakao, K., Kihara, K., Kamite, K., Kotaki, Y., Matsuda, M., Sudo, H., Yamakoshi, S., Isozumi, S., Imai, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Distributed feedback devices Fiber lasers Frequency response Laser feedback Laser modes Laser noise Noise reduction Optical design Parasitic capacitance Surface emitting lasers
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Beschreibung
Zusammenfassung:	A distributed feedback (DFB) laser emitting at 1.3 μm for gigabit lightwave communication systems has been developed. The distributed feedback structure has been introduced in a newly developed buried heterostructure and designs for stable single-mode operation, high speed modulation, and low noise have been done. Threshold current of 10-15 mA, differential efficiency of around 0.28 mW/mA, low noise, small signal modulation bandwidth of 13.9 GHz, and satisfactory modulation waveform at 5-Gbit/s NRZ modulation have been attained with high single-mode operation yield.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.1987.1075570