Efficient transmission scheme for AWG-based DWDM millimeter-wave fiber-radio systems

被引：11
|
作者：
Gamage, Prasanna A. [1 ]
Nirmalathas, A.
Lim, C.
Bakaul, M.
Novak, D.
Waterhouse, R.
机构：
[1] Univ Melbourne, ARC Special Res Ctr Ultra Broadband Informat Netw, Melbourne, Vic 3010, Australia
[2] Univ Melbourne, Natl ICT Australia Ltd, Melbourne, Vic 3010, Australia
[3] Pharad LLC, Glen Burnie, MD 21061 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 2-4期
基金：
澳大利亚研究理事会;
关键词：
arrayed waveguide grating (AWG); carrier-to-sideband ratio (CSR); millimeter-wave (mm-wave) fiber-radio; multiplexer/demultiplexer; optica I single sideband modulation; wavelength interleaving (WI);
D O I：
10.1109/LPT.2006.889986
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 propose and demonstrate an upstream transmission scheme using a semiconductor optical amplifier (SOA) for arrayed waveguide grating (AWG)-based dense wavelength-division-multiplexed (DWDM) millimeter-wave fiber-radio systems and show improved link performance. In our scheme, unused optical carriers from the cyclic AWG in the downlink (DL) are tapped for uplink (UL) transmission. An SOA in conjunction with the AWG simultaneously amplifies the DL RF subcarriers and UL optical carrier, thus improving carrier-to-sideband ratio in the DL while also yielding an improved power budget for the UL. Our experimental results show that the proposed scheme can be a practical solution for future bidirectional wavelength interleaved DWDM transmission systems.
引用
收藏
页码：206 / 208
页数：3
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