Abstract: Embodiment of present invention provide an optical interconnect apparatus. The apparatus includes an optical signal path; a first set of fibers attached to a first end of the optical signal path via a first wavelength-division-multiplexing (WDM) filter; and a second set of fibers attached to a second end of the optical signal path via a second WDM filter, wherein at least the first set of fibers is a ribbon fiber. Embodiment of present invention further provide an interconnected optical system that includes a first optical transport terminal having a first set of optical signal ports and a second optical transport terminal having a second set of optical signal ports, with the two sets of optical signal ports being interconnected by the optical interconnect apparatus.

Abstract: Embodiments of present invention provide an ultra-small-pitch optical filter assembly. The assembly includes a fiber collimator being able to receive an optical signal; a WDM filter module being able to de-multiplex the optical signal from the fiber collimator into multiple optical beams; and an optical lens assembly being able to receive the multiple optical beams from the WDM filter module and to reduce a physical spacing among the multiple optical beams from a first pitch D to a second pitch d, wherein D/d A method of fabricating the ultra-small-pitch optical filter assembly is also provided. A method of producing a set of optical beams with ultra-small-pitch of spacing is provided as well.

Abstract: Embodiment of present invention provide an optical interconnect apparatus. The apparatus includes an optical signal path; a first set of pigtail fibers attached to a first end of the optical signal path via a first wavelength-division-multiplexing (WDM) filter; and a second set of pigtail fibers attached to a second end of the optical signal path via a second WDM filter. Embodiment of present invention further provide an interconnected optical system that includes a first optical transport terminal having a first set of optical signal ports and a second optical transport terminal having a second set of optical signal ports, with the two sets of optical signal ports being interconnected by the optical interconnect apparatus.

Abstract: Embodiment of present invention provide an optical interconnect apparatus. The apparatus includes an optical signal path; a first set of fibers attached to a first end of the optical signal path via a first wavelength-division-multiplexing (WDM) filter; and a second set of fibers attached to a second end of the optical signal path via a second WDM filter, wherein at least the first set of fibers is a ribbon fiber. Embodiment of present invention further provide an interconnected optical system that includes a first optical transport terminal having a first set of optical signal ports and a second optical transport terminal having a second set of optical signal ports, with the two sets of optical signal ports being interconnected by the optical interconnect apparatus.

Abstract: Embodiments of the present disclosure disclose a resource leak detection method, apparatus, and system that includes obtaining a target resource called when target code of a program runs, where the target code is partial code in program code, determining a first storage resource amount occupied by the target resource, determining whether the first storage resource amount occupied by the target resource satisfies a first preset condition, and if the first storage resource amount occupied by the target resource satisfies the first preset condition, determining a storage location of the target code as a resource leak location. In the embodiments of the present disclosure, the target code of the program can be tracked, and further, by means of detection, the storage location of the target code can be determined as the resource leak location.

Abstract: Embodiments of present invention provide a WDM device which includes a first element having a first right surface and a first top surface; and a second element having a second left surface and a second bottom surface, wherein the second bottom surface is bonded together with the first top surface and the first right surface is coated with a WDM filtering coating which is adapted to, upon incident of an optical signal having at least a first and a second wavelength, cause the first wavelength of the optical signal to exit the first element at the first right surface, and cause rest of the optical signal to be reflected back into the first element, pass through the first top surface and the second bottom surface, and enter the second element. A method of making the WDM devices is also provided.

Abstract: Embodiment of present invention provides a method of making WDM devices. The method includes preparing a first sheet element having a first top surface and a first bottom surface, a first left surface and a first right surface, and a first WDM filtering coating being applied to the first right surface; preparing a second sheet element having a second top surface and a second bottom surface, a second left surface and a second right surface, and a second WDM filtering coating being applied to the second right surface; stacking the second bottom surface of the second sheet element on top of the first top surface of the first sheet element to form an optical assembly block; and slicing the optical assembly block into a plurality of WDM devices. WDM devices made by the method are also provided.

Abstract: An aspect of the invention relates to the field of an automatic chat support and analytics (recommender) engine for digital sales. The analytics engine interactively and iteratively collects the feature value of a client's profile by automatically generating questions in different styles and extracting the semantic information from the client's responses. The accumulated feature information for the client can enhance the capability of a recommender engine. Specifically, for item recommendation, the recommender engine includes components for item scoring and its confidence estimation, feature importance scoring, missing feature inference and confidence estimation by smoothing the corresponding feature values from the most similar clients. The recommender engine also involves a client response analytics component, which performs a quality check by evaluating the consistency between the inferred feature value from the similar clients and the extracted one from the client's response.

Abstract: An aspect of the invention relates to the field of an automatic chat support and analytics (recommender) engine for digital sales. The analytics engine interactively and iteratively collects the feature value of a client's profile by automatically generating questions in different styles and extracting the semantic information from the client's responses. The accumulated feature information for the client can enhance the capability of a recommender engine. Specifically, for item recommendation, the recommender engine includes components for item scoring and its confidence estimation, feature importance scoring, missing feature inference and confidence estimation by smoothing the corresponding feature values from the most similar clients. The recommender engine also involves a client response analytics component, which performs a quality check by evaluating the consistency between the inferred feature value from the similar clients and the extracted one from the client's response.

Abstract: A slow-disk detection method is disclosed, the method includes: periodically performing sampling in a detection period; each time sampling is performed, obtaining a first delay of data reading or writing that is performed on a hard disk in current sampling, and a first-delay-related indicator value; determining a first range to which the first-delay-related indicator value belongs; and if the first range is full, calculating a first ratio of the first delay to an average delay in a range; and each time after one detection period ends and before a next detection period starts, if a quantity of all delay-related indicator values fall within all full ranges is greater than or equal to a second threshold, calculating an average value of first ratios; and if the average value of the first ratios is greater than or equal to a third threshold, determining that the hard disk is a slow disk.

Abstract: Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a first and a second reflectively terminated element and an optical switch being capable of selectively connecting to one of the first and second reflectively terminated elements, and wherein the at least one of the plurality of dispersion compensation units is adapted to provide a substantially zero dispersion to an optical signal, coming from the multi-port optical circulator, when the optical switch connects to the first reflectively terminated element and is adapted to provide a non-zero dispersion to the optical signal when the optical switch connects to the second reflectively terminated element.

Abstract: The present invention provides a disk detection method and apparatus. The method includes: collecting a set of N pieces of real-time data that are in a one-to-one correspondence with N input/output I/O-related counters of a disk, where the N I/O-related counters include an I/O response time of the disk and a counter affecting the I/O response time; the I/O response time is a time between delivery of an operation request by an application and reception of a response of the disk to the request; determining, according to the N pieces of real-time data, whether the I/O response time is abnormal; and outputting a detection result if the I/O response time is abnormal, where the detection result is used to represent that the I/O response time is abnormal.

Abstract: A method and an apparatus for determining a leak of a program running resource are disclosed that relate to the field of computer applications. The method for predicting a usage condition of a program running resource includes collecting program running resource usage at least once within each program running resource usage period; decomposing the collected program running resource usage into different resource components; for data contained in each resource component, determining a prediction function for the resource component; determining an overall prediction function for a program running resource according to the determined prediction functions for all the resource components; and predicting a usage condition of the program running resource based on the determined overall prediction function.

Abstract: Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a first and a second reflectively terminated element and an optical switch being capable of selectively connecting to one of the first and second reflectively terminated elements, and wherein the at least one of the plurality of dispersion compensation units is adapted to provide a substantially zero dispersion to an optical signal, coming from the multi-port optical circulator, when the optical switch connects to the first reflectively terminated element and is adapted to provide a non-zero dispersion to the optical signal when the optical switch connects to the second reflectively terminated element.

Abstract: Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator; and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a fiber-bragg grating (FBG) having a first port and a second port; and an optical switch being capable of selectively connecting to one of the first port and the second port of the FBG, wherein the at least one of the plurality of dispersion compensation units is adapted to provide a positive dispersion to an optical signal, from the multi-port optical circulator, when the optical switch connects to the first port of the FBG and is adapted to provide a negative dispersion to the optical signal when the optical switch connects to the second port of the FBG.

Abstract: Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator; and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a fiber-bragg grating (FBG) having a first port and a second port; and an optical switch being capable of selectively connecting to one of the first port and the second port of the FBG, wherein the at least one of the plurality of dispersion compensation units is adapted to provide a positive dispersion to an optical signal, from the multi-port optical circulator, when the optical switch connects to the first port of the FBG and is adapted to provide a negative dispersion to the optical signal when the optical switch connects to the second port of the FBG.

Abstract: Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator; and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a fiber-bragg grating (FBG) having a first port and a second port; and an optical switch being capable of selectively connecting to one of the first port and the second port of the FBG, wherein the at least one of the plurality of dispersion compensation units is adapted to provide a positive dispersion to an optical signal, from the multi-port optical circulator, when the optical switch connects to the first port of the FBG and is adapted to provide a negative dispersion to the optical signal when the optical switch connects to the second port of the FBG.

Abstract: Embodiments of present invention provide an optical signal transportation system. The system includes a first and a second optical line protection (OLP) node; a working signal transmission medium and a protection signal transmission medium between the first and second OLP nodes providing transportation paths for an optical signal from the first OLP node to the second OLP node; and at least one digital dispersion compensation module (DDCM) connected to at least one of the working and protection signal transmission media inside the second OLP node, wherein the DDCM includes a plurality of dispersion compensation units (DCUs) with each DCU being capable of providing either a positive or a negative dispersion selected by an optical switch to the optical signal, and wherein the DDCM is capable of providing the optical signal a total dispersion determined by the optical switch of each of the plurality of DCUs.

Abstract: Embodiments of the present disclosure disclose a resource leak detection method, apparatus, and system that includes obtaining a target resource called when target code of a program runs, where the target code is partial code in program code, determining a first storage resource amount occupied by the target resource, determining whether the first storage resource amount occupied by the target resource satisfies a first preset condition, and if the first storage resource amount occupied by the target resource satisfies the first preset condition, determining a storage location of the target code as a resource leak location. In the embodiments of the present disclosure, the target code of the program can be tracked, and further, by means of detection, the storage location of the target code can be determined as the resource leak location.

Abstract: An optical wavelength multiplexer/demultiplexer is disclosed to use double reflections on the same filter twice through help of a mirror to enhance the reflection channel isolation without comprising optical performance. It employs only one filter and one mirror on a support substrate. The optical wavelength multiplexer/demultiplexer offers a smaller size than a conventional one and lower cost of manufacturing.