公开(公告)号：US20030081200A1

公开(公告)日：2003-05-01

申请号：US10274804

申请日：2002-10-21

Applicant: JDS Uniphase Corporation

Inventor： Brian Lee Heffner ,  Robert R. McLeod

IPC: G01J001/00

CPC classification number: H04B10/0795 ,  G01J1/18

Abstract: The invention relates to a simple and relatively inexpensive way of determining the optical bit rate of an optical signal, which is based on the fact that different percentages of the signal will be transmitted through a narrow-band optical filter depending on the bit rate. Increasing the bit rate of an optical signal results in a broadening of the channel spectrum, therefore, if the optical filter is designed with a passband thinner than all (or all but one) of the channel widths, then signals with different bit rates will have distinctive amounts of transmitted light relative to the amount of input light. In the preferred embodiment the optical signal is divided into two sub-beams by a beam splitter, and one of the sub-beams is passed through the optical filter. The power of filtered sub-beam is compared to the power of the unfiltered sub-beam to provide a ratio, which is compared to one or more predetermined values indicative of the bit rate. The optical filter is preferably a Fabry-Perot etalon with a periodic response tuned to the ITU grid.

Abstract translation: 本发明涉及一种确定光信号的光比特率的简单且相对便宜的方法，其基于根据比特率将信号的不同百分比通过窄带滤光器传输的事实。 增加光信号的比特率导致信道频谱的扩大，因此，如果光滤波器被设计成具有比通道宽度的全部（或全部除外）通道更薄的通带），则具有不同比特率的信号将具有 相对于输入光量的透射光的特征量。 在优选实施例中，光信号由分束器分成两个子光束，其中一个子光束通过滤光器。 将滤波后的子波束的功率与未滤波的子波束的功率进行比较，以提供与指示比特率的一个或多个预定值进行比较的比率。 光滤波器优选地是法布里 - 珀罗标准具，具有调谐到国际电联电网的周期性响应。

公开(公告)号：US20040096212A1

公开(公告)日：2004-05-20

申请号：US10295365

申请日：2002-11-15

Applicant: JDS Uniphase Corporation

Inventor： Robert R. McLeod ,  Wei-Hung Loh

IPC: H04B010/08

CPC classification number: H04B10/0795

Abstract: An apparatus for measuring optical performance of a plurality of channels within an input optical multi-channel signal employs at least one optical interleaver to deinterleave the input signal into a plurality of channel subsets, each channel subset having a greater channel spacing than the input multi-channel signal, and a switch for sequentially submitting the deinterleaved subsets to an optical performance monitor (OPM). The design allows for relaxed specification of the OPM, e.g. its resolution and number of pixels.

Abstract translation: 用于测量输入光多通道信号内的多个通道的光学性能的装置使用至少一个光学交织器将输入信号解交织成多个通道子集，每个通道子集具有比输入多通道信号更大的通道间隔， 信道信号，以及用于将解交织的子集顺序地提交到光学性能监视器（OPM）的开关。 该设计允许OPM的轻松规范，例如。 其分辨率和像素数。

公开(公告)号：US20030098982A1

公开(公告)日：2003-05-29

申请号：US09993550

申请日：2001-11-28

Applicant: JDS Uniphase Corporation

Inventor： Robert R. McLeod ,  Gang Lei ,  Long Yang ,  Kuochou Tai

IPC: G01B009/02

CPC classification number: G02B6/29346 ,  G01J3/26 ,  G01J3/4532 ,  G01J9/02 ,  G01J2009/028 ,  G02B6/32 ,  G02B26/001 ,  H04J14/02

Abstract: A truncated series-based cavity interferometer contains a multi-reflection cavity upon which an input light beam is directed at an acute angle, to produce a spatially spread series of multiple order beams through which the transfer function (e.g., a generally square pass/stop profile) of the interferometer is defined. Because the input beam is incident upon the cavity at an acute angle, it is non counter-propagating with respect to the reflected beam, so that no circulator is required for beam separation. The intensity profile of the energy contained in the composite set of spatially separated multiple order beams comprises a spatially separated decaying series of reflections, that are intercepted by independently positionable spatial filter elements.

Abstract translation: 截断的基于系列的空腔干涉仪包含多反射腔，输入光束在该多反射空腔上以锐角指向，以产生空间上扩展的多阶光束系列，通过该光束传递函数（例如，大致平方通过/停止 定义了干涉仪的轮廓。 因为输入光束以锐角入射到空腔上，所以它不会相对于反射光束反向传播，因此光束分离不需要循环器。 包含在空间分离的多阶光束的复合组中的能量的强度分布包括由独立可定位的空间滤光元件截取的空间分离的衰减系列的反射。

公开(公告)号：US20030002787A1

公开(公告)日：2003-01-02

申请号：US10160636

申请日：2002-06-03

Applicant: JDS Uniphase Corporation

Inventor： Tokuyuki Honda ,  Robert R. McLeod

IPC: G02B006/293 ,  G02B006/32 ,  H04J014/02

CPC classification number: G02B6/2938 ,  G02B6/29365 ,  G02B6/29367 ,  G02B6/32

Abstract: A diffraction-compensated WDM (wavelength division multiplexer) uses TTFs (thin film filters) as concave mirrors. The WDM has a plurality of filter elements for guiding the optical signal along a predetermined optical path, each filter element being transparent to a predetermined wavelength range and including compensating means for at least partially compensating for diffraction of the optical signal. Each filter element has a thin film coated on a substrate, and the compensating means is a curved surface of each thin film. The WDM is more robust than prior art WDM devices using flat TTFs.

Abstract translation: 衍射补偿WDM（波分复用器）使用TTF（薄膜滤光片）作为凹面镜。 WDM具有多个用于沿预定光路引导光信号的滤光元件，每个滤光元件对于预定波长范围是透明的，并且包括用于至少部分补偿光信号衍射的补偿装置。 每个过滤器元件具有涂覆在基板上的薄膜，并且补偿装置是每个薄膜的弯曲表面。 WDM比使用平坦TTF的现有技术的WDM设备更加坚固。