-
公开(公告)号：US5377210A
公开(公告)日：1994-12-27
申请号：US881013
申请日：1992-05-08
CPC分类号： G02F1/3538 , H01S3/305
摘要： A three-level atomic system in a resonance Raman configuration is provided, and self-pumped optical phase conjugation is performed in which the pumps are self-induced as standing waves in a Raman laser. Self-pumped reflectivities approaching five percent are obtained for input intensities of 20 watts per square cm. This low optical input intensity combined with predicted submicrosecond response times indicates that the resonant Raman interaction may provide the basis for a promising new class of non-linear optical materials.
摘要翻译： 提供了共振拉曼配置中的三级原子系统，并且执行自泵浦光相位共轭，其中泵在拉曼激光器中作为驻波自身感应。 对于20瓦/平方厘米的输入强度，获得接近5％的自抽反射率。 这种低光输入强度与预测的亚微秒响应时间相结合表明共振拉曼相互作用可为有前途的新一类非线性光学材料提供基础。
-
公开(公告)号：US08415640B2
公开(公告)日：2013-04-09
申请号：US13089547
申请日：2011-04-19
申请人： Thomas M. Babinec , Birgit J. M. Hausmann , Mughees Khan , Yinan Zhang , Philip R. Hemmer , Marko Loncar
发明人： Thomas M. Babinec , Birgit J. M. Hausmann , Mughees Khan , Yinan Zhang , Philip R. Hemmer , Marko Loncar
IPC分类号： G01N21/64
摘要： In a general aspect, a system includes a plurality of diamond nanowires disposed on the surface of a diamond substrate, at least some of the nanowires including a color center. The system also includes a light source configured to illuminate at least one of the plurality of nanowires with excitation light at a wavelength corresponding to an excitation wavelength of the color center included in the illuminated nanowire; and an optical receiver configured to receive a fluorescence emitted from the color center included in the illuminated nanowire in response to the excitation light.
摘要翻译： 在一般方面，系统包括设置在金刚石基底的表面上的多个金刚石纳米线，所述纳米线中的至少一些包括颜色中心。 该系统还包括一个光源，被配置为用与照亮的纳米线中包含的彩色中心的激发波长对应的波长的激发光照亮多个纳米线中的至少一个; 以及光接收器，被配置为响应于所述激发光接收从所述被照射的纳米线中包括的所述颜色中心发射的荧光。
-
公开(公告)号：US5303031A
公开(公告)日：1994-04-12
申请号：US880399
申请日：1992-05-08
IPC分类号： G01B9/02
CPC分类号： H04B10/00
摘要： Method of demultiplexing a composite signal light beam includes the steps of directing the composite signal light beam and a reference light beam at a photorefractive material, modulating the reference beam at a frequency about equal to the modulation frequency of a selected signal beam to be demultiplexed, and recovering the phase conjugate signal produced by interference of the reference beam with the composite signal light beam within the photorefractive material. The method also enables optical phase detection of the selected signal beam with respect to the reference beam.
摘要翻译： 对复合信号光束进行解复用的方法包括以复合信号光束和参考光束以光折射材料引导的方式，以大约等于要解复用的选定信号光束的调制频率的频率调制参考光束， 以及通过参考光束与光折射材料内的复合信号光束的干涉产生的相位共轭信号。 该方法还使得所选信号光束相对于参考光束的光学相位检测。
-
公开(公告)号：US5361222A
公开(公告)日：1994-11-01
申请号：US906987
申请日：1992-06-30
摘要： An associative memory apparatus having a 2f Fourier transform optical correlation configuration wherein the correlation spots produced in the correlation plane are projected back by a mirror through the inverse Fourier transform lens and a phase correction reference image filter to produce the output image representing the best match between the input image and the associative memory reference images. A 4f Fourier transform embodiment projects the correlation spots forward through a second filter and transform means and the output image can be fed back to the input image display SLM to enhance the output image.
摘要翻译： 一种具有2f傅里叶变换光学相关配置的相关存储装置，其中在相关平面中产生的相关点通过反傅立叶变换透镜和相位校正参考图像滤波器被反射镜投射回来，以产生表示最佳匹配的输出图像 输入图像和关联存储器参考图像。 4f傅立叶变换实施例通过第二滤波器和变换装置向前投影相关点，并且可以将输出图像反馈到输入图像显示SLM以增强输出图像。
-
5.发明授权Alignment-insensitive method for wideband tuning of an unmodified semiconductor laser 失效用于未修改半导体激光器的宽带调谐的对准不敏感方法
公开(公告)号：US5077747A
公开(公告)日：1991-12-31
申请号：US400618
申请日：1989-08-30
IPC分类号： H01S3/106
CPC分类号： H01S3/1062
摘要： Using simple optical components and an unmodified commercial off-the-shelf semiconductor laser, a frequency-selective self-aligning optical-feedback technique has been devised that allows a semiconductor laser to be tuned to and scanned about any optical frequency within the laser gain curve. This technique employs a graded-index rod lens cat's eye and an intracavity etalon for selecting one laser side mode. By changing the external cavity length, the laser frequency can be continuously tuned within one external cavity free spectral range. To further extend the tuning range, the laser injection current is changed to produce a discontinuous hop in the laser frequency. To eliminate the hops the cavity length and laser current are changed simultaneously.
摘要翻译： 使用简单的光学部件和未经修改的商业现成的半导体激光器，已经设计了频率选择性自对准光学反馈技术，其允许半导体激光器被调谐到扫描激光增益曲线内的任何光学频率 。 该技术采用渐变折射率棒状透镜猫眼和腔内标准具来选择一种激光侧模式。 通过改变外部腔体长度，可以在一个外腔自由光谱范围内连续调谐激光频率。 为了进一步扩展调谐范围，改变激光注入电流以在激光频率中产生不连续跳。 为了消除跳跃，腔体长度和激光电流同时变化。
-
公开(公告)号：US20110309265A1
公开(公告)日：2011-12-22
申请号：US13089547
申请日：2011-04-19
申请人： Thomas M. Babinec , Birgit J.M. Hausmann , Mughees Khan , Yinan Zhang , Philip R. Hemmer , Marko Loncar
发明人： Thomas M. Babinec , Birgit J.M. Hausmann , Mughees Khan , Yinan Zhang , Philip R. Hemmer , Marko Loncar
摘要： In a general aspect, a system includes a plurality of diamond nanowires disposed on the surface of a diamond substrate, at least some of the nanowires including a color center. The system also includes a light source configured to illuminate at least one of the plurality of nanowires with excitation light at a wavelength corresponding to an excitation wavelength of the color center included in the illuminated nanowire; and an optical receiver configured to receive a fluorescence emitted from the color center included in the illuminated nanowire in response to the excitation light.
摘要翻译： 在一般方面，系统包括设置在金刚石基底的表面上的多个金刚石纳米线，所述纳米线中的至少一些包括颜色中心。 该系统还包括一个光源，被配置为用与照亮的纳米线中包含的彩色中心的激发波长对应的波长的激发光照亮多个纳米线中的至少一个; 以及光接收器，被配置为响应于所述激发光接收从所述被照射的纳米线中包括的所述颜色中心发射的荧光。
-
7.发明申请Method Of Efficient Coupling Of Light From Single-Photon Emitter To Guided Radiation Localized To Sub-Wavelength Dimensions On Conducting Nanowires 审中-公开将光从单光子发射体到引导辐射的有效耦合的方法定位到亚波长尺寸在导电纳米线上公开(公告)号：US20100258784A1
公开(公告)日：2010-10-14
申请号：US12678907
申请日：2008-09-18
申请人： Mikhail D. Lukin , Alexander S. Zibrov , Alexey V. Akimov , Philip R. Hemmer , Hongkun Park , Aryesh Mukherjee , Darrick E. Chang , Chun Liang Yu
发明人： Mikhail D. Lukin , Alexander S. Zibrov , Alexey V. Akimov , Philip R. Hemmer , Hongkun Park , Aryesh Mukherjee , Darrick E. Chang , Chun Liang Yu
IPC分类号： H01L29/66 , G02B6/00 , H01L31/0232 , F21V8/00 , G02B6/26
CPC分类号： G02B6/1226 , B82Y20/00 , G02B6/107
摘要： A cavity free, broadband approach for engineering photon emitter interactions via sub-wavelength confinement of optical fields near metallic nanostructures. When a single CdSe quantum dot (QD) is optically excited in close proximity to a silver nanowire (NW), emission from the QD couples directly to guided surface plasmons in the NW, causing the wire's ends to light up. Nonclassical photon correlations between the emission from the QD and the ends of the NW demonstrate that the latter stems from the generation of single, quantized plasmons. Results from a large number of devices show that the efficient coupling is accompanied by more than 2.5-fold enhancement of the QD spontaneous emission, in a good agreement with theoretical predictions.
摘要翻译： 一种无腔宽带方式，用于通过金属纳米结构附近的光场的亚波长约束来工程化光子发射体相互作用。 当单个CdSe量子点（QD）在靠近银纳米线（NW）的情况下被光学激发时，来自QD的发射直接耦合到NW中的引导表面等离子体激元，导致电线端部点亮。 来自QD的发射和NW的末端之间的非经典光子相关性表明后者源于单个量子化等离子体的产生。 大量器件的结果表明，与理论预测有很好的一致性，有效耦合伴随着QD自发发射的2.5倍以上的增强。
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.011 秒)
