REPEATED WAVELENGTH CONVERSION OF 10-GBIT/S SIGNAL USING WAVELENGTH-TUNABLE SEMICONDUCTOR-LASERS

被引:4
|
作者
YASAKA, H
ISHII, H
YOSHIKUNI, Y
OE, K
机构
[1] NTT Opto-electronics Laboratories, Atsugi-Shi, Kanagawa Pref., 243–01, 3–1, Morinosato Wakamiya
关键词
D O I
10.1109/68.345909
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
Repeated wavelength conversion of 10 Gbit/s pseudorandom non-return-to-zero signals is demonstrated using superstructure grating distributed Bragg reflector lasers operating in the 1.55-mum wavelength region. Error-free and very low-power-penalty wavelength conversion can be achieved in both first and second wavelength conversion for a fixed converted wavelength over a broad wavelength range from 1.486 to 1.573 mum (about 90-nm wide). The power penalty of the transmitted signal light through the first wavelength conversion device increases when the converted wavelength is switched from 1.544 to 1.573 mum periodically at a repetition frequency of 40 MHz. The increase in power penalty, however, is less than 6 dB even when the bit error rate is 10(-12).
引用
收藏
页码:161 / 163
页数:3
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