发明名称 |
Circuit arrangement for optical frequency conversion |
摘要 |
<p>The switched input filter (EFA) incorporates a 1:n optical fibre switch (Sn) and a wavelength multiplexer/demultiplexer (DM) formed of a number of wavelength channel filters whose outputs are combined for transfer to a frequency converter (U) in the opposite direction to the modulated signal from a pumping laser (PL). This signal at a fixed frequency corresponds to a particular channel (k) of the input channel pattern (1-n). Output (A) is taken from the corresp. wavelength channel filter via a 2:1 selector (S2) affording a choice of the unconverted input signal from the corresp. switch fibre (sk).</p> |
申请公布号 |
EP0727884(A3) |
申请公布日期 |
2000.11.02 |
申请号 |
EP19960101679 |
申请日期 |
1996.02.06 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
DERR, FROWIN, DR.-ING. |
分类号 |
H04J14/00;G02B6/34;H04B10/66;H04J1/04;H04J14/02;H04Q11/00;(IPC1-7):H04B10/152 |
主分类号 |
H04J14/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|