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    • 6. 发明授权
    • Optical switch using rare earth doped glass
    • 使用稀土掺杂玻璃的光开关
    • US07340124B2
    • 2008-03-04
    • US10820098
    • 2004-04-07
    • Falgun D. PatelJeffrey N. Miller
    • Falgun D. PatelJeffrey N. Miller
    • H04J14/00G02B6/26H01S3/00
    • H01S3/06754H01S3/10007
    • The present invention provides an optical switch including a loss element having a signal loss, and a rare earth doped gain element optically connected in series with the loss element. The rare earth doped gain element is operable to produce a signal gain. The signal gain and the signal loss are about equal. The present invention also provides a method of optical switching including optically connecting a loss element in series with a rare earth doped gain element and passing an optical signal through the loss element and the gain element. The loss element attenuates the optical signal by a first amount. The method further includes selectively applying an optical pump to the gain element to perform the switching, the gain element amplifying the optical signal by the first amount in response to the optical pump.
    • 本发明提供了一种光开关,其包括具有信号损耗的损耗元件和与损耗元件串联光学连接的稀土掺杂增益元件。 稀土掺杂增益元件可操作以产生信号增益。 信号增益和信号损耗大致相等。 本发明还提供一种光学切换的方法,包括将稀土元素与稀土掺杂的增益元件串联光学连接并使光信号通过损耗元件和增益元件。 损耗元件将光信号衰减第一量。 该方法还包括选择性地将光泵施加到增益元件以执行切换,增益元件响应光泵将光信号放大第一量。
    • 9. 发明授权
    • Optical cavities for optical devices
    • 光学器件的光学腔
    • US06833958B2
    • 2004-12-21
    • US09778661
    • 2001-02-06
    • Glenn H. RankinJeffrey N. Miller
    • Glenn H. RankinJeffrey N. Miller
    • G02B110
    • H01S5/18366H01S5/0614H01S5/18369H01S5/18388
    • The present disclosure relates to an optical cavity, comprising a first non-concave reflector positioned at a first end of the optical cavity and a second non-concave reflector positioned at a second end of the optical cavity that receives and reflects light reflected from the first non-concave reflector. The first non-concave reflector is configured to focus light that reflects off of the reflector back upon itself to avoid diffraction losses from the optical cavity. In one embodiment of the invention, the first non-concave reflector includes a layer of material that has a thickness that vanes as a function of radial distance out from an axial center of the layer. In another embodiment of the invention, the first non-concave reflector includes a layer of material that has an index of refraction that varies as a function of radial distance out from an axial center of the layer.
    • 本发明涉及一种光学腔,其包括位于光腔的第一端的第一非凹面反射器和位于光腔的第二端处的第二非凹面反射器,其接收和反射从第一 非凹面反射器。 第一非凹面反射器被配置为将反射回反射器的光聚焦在其自身上,以避免衍生自光腔的损耗。 在本发明的一个实施例中,第一非凹面反射器包括一层材料,该层具有从该层的轴向中心离开的径向距离的叶片的厚度。 在本发明的另一个实施例中,第一非凹面反射器包括一层材料,其具有根据从该层的轴向中心的径向距离而变化的折射率。