公开(公告)号：US20020154394A1

公开(公告)日：2002-10-24

申请号：US09838733

申请日：2001-04-19

Applicant: Tellamon Photonic Networks Inc.

Inventor： Hamid Hatami-Hanza ,  Nima Ahmadvand

IPC: H01S003/00

CPC classification number: H01S3/2383 ,  H01S3/06754 ,  H01S2302/00

Abstract: An optical amplifier for two adjacent bands of optical data channels provides gain across the entire spectrum, including the so-called dead-band, by splitting the entire input signal equally into two paths. One path is optimized to amplify one band and the other path is optimized to amplify the other. An optical delay in one path, usually the one optimized for the lower wavelength band, ensures equal optical path lengths for the two paths. The amplified signals in that two paths are then combined to yield or flat gain profile across the two bands and the gap in-between.

Abstract translation: 光学数据通道的两个相邻频带的光放大器通过将整个输入信号均匀地分成两个路径来提供包括所谓的死区在内的整个频谱的增益。 优化一个路径以放大一个频带，另一个路径被优化以放大另一个频带。 一个路径中的光学延迟，通常是针对较低波长带优化的一个路径，确保了两条路径的相等的光程长度。 然后将两条路径中的放大信号合并，以产生跨越两个波段的平坦增益曲线和中间的间隙。

公开(公告)号：US20010026655A1

公开(公告)日：2001-10-04

申请号：US09809795

申请日：2001-03-16

Applicant: Tellamon Photonic Networks Inc.

Inventor： Jae Dong Park ,  Ken Hongkeun Cho ,  Hamid Hatami-Hanza ,  Nima Ahmadvand

IPC: G02B006/13

CPC classification number: G02B6/29349 ,  G02B6/12007 ,  G02B6/29352 ,  G02B6/29395 ,  G02B2006/12159 ,  G02F1/3131 ,  G02F1/3136 ,  G02F2201/14 ,  G02F2201/16

Abstract: A method of making an asymmetric Mach-Zehnder Interferometer (MZI) adjusts the length of the arms of two Michelson Interferometers, (MI) to achieve desired wavelength response then combines the MIs to provide the MZI. An asymmetric MZI is, therefore, provided which comprises two asymmetric MIs optically connected back-to-back.

Abstract translation: 制造不对称马赫 - 曾德干涉仪（MZI）的方法调整两个迈克尔逊干涉仪（MI）臂的长度以实现所需的波长响应，然后组合MI以提供MZI。 因此，提供了一种非对称MZI，其包括两个背靠背光学连接的不对称MI。

公开(公告)号：US20010024543A1

公开(公告)日：2001-09-27

申请号：US09809847

申请日：2001-03-16

Applicant: Tellamon Photonic Networks Inc.

Inventor： Nima Ahmadvand ,  Hamid Hatami-Hanza

IPC: G02B006/28

CPC classification number: G02B6/29355 ,  G02B6/2804 ,  G02B6/2938 ,  H04J14/02

Abstract: WDM demultiplexers are provided utilizing, for example, cascaded asymmetric MZI filters, wherein the (asymmetric) differential delay is such that at the output of the first stage MZI demultiplexes the WDM channels in groups of two at its output. The result is a relaxed specification for the frequency response of the filters.

Abstract translation: 使用例如级联非对称MZI滤波器来提供WDM解复用器，其中（非对称）差分延迟使得在第一级MZI的输出处，在其输出处以两组的WDM信道解复用WDM信道。 结果是滤波器的频率响应放宽了规范。