6 THZ RANGE TUNABLE 2.5 GB/S FREQUENCY-CONVERSION BY A MULTIQUANTUM-WELL Y-LASER

被引:6
作者
SCHILLING, M
IDLER, W
BAUMS, D
DUTTING, K
LAUBE, G
WUNSTEL, K
HILDEBRAND, O
机构
[1] ALCATEL SEL, Research Center, Optoelectronic Components Division
关键词
D O I
10.1109/3.234441
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report on improved monolithic interferometric semiconductor lasers in Y configuration. When operated as an electronically tunable light source, single longitudinal mode emission with a very large CW tuning range up to 51 nm is accessed. By using all-quaternary compressively strained MQW active layers also low dc threshold currents down to < 10 mA per segment are obtained (i.e., < 40 mA for the total 1500 mum long and branched device being pumped uniformly). New asymmetrical Y laser configurations are studied which exhibit simplified current control schemes allowing for improved wavelength tuning response. Single current step tuning spans up to 8 nm range. In the all-optical wavelength converter operation mode the wide tunability of Y lasers across the whole spectrum of the semiconductor gain profile can be fully exploited. Ultrawide range tunable frequency conversion up to 6 THz within the 1550 nm wavelength window including blue and red shift is demonstrated. High-speed 2.5 Gb/s data streams are converted with 10(-9) BER.
引用
收藏
页码:1835 / 1843
页数:9
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