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1.2 GB/S CLOSELY-SPACED FDMA-FSK DIRECT-DETECTION STAR NETWORK

被引：23
作者：
WILLNER, AE
KAMINOW, IP
KUZNETSOV, M
STONE, J
STULZ, LW
机构：
[1] AT&T Bell Laboratories, Crawford Hill Laboratory, Holmdel
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1990年 / 2卷 / 03期
关键词：
D O I：
10.1109/68.50896
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 demonstrate an FDMA-FSK two-channel direct-detection star network operating at 1.2 Gb/s. The FSK signal is converted to ASK format by a tunable fiber Fabry-Perot (FFP) filter that acts simultaneously as a demodulator and demultiplexer. Frequency-tunable two-electrode DFB laser transmitters produce distorted FSK spectra due to nonuniform FM response for modulation frequencies above ~200 Mb/s. The frequency-domain properties of the laser are related directly to the time-domain properties of the transmitted data stream. We show the critical dependence on the FFP passband width and center frequency location for undistorted signal recovery. By optimizing these parameters, the data transmission rate can be increased while keeping the power penalty due to signal distortion below 1 dB. © 1990 IEEE
引用
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页码：223 / 226
页数：4
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