Abstract: An optical probe package structure is provided, used in a test environment for testing a plurality of optical chips on a wafer, including: a main body, an optical fiber, an optical fiber positioning area, a mode field conversion waveguide structure, and an optical waveguide. Wherein, the mode field conversion waveguide structure is used to convert the propagation field of the optical signal, and the optical signal transmitted by the mode field conversion waveguide structure enters the optical waveguide. The optical waveguide has an emitting end, and the emitting end is provided with a facet, the facet has a facet angle, and the facet angle makes the optical signal after field conversion mode field conversion to produce total reflection and output along a second direction. The optical signal after total reflection enters the optical chips. Thereby, an optical probe package structure that can test before wafer cutting and polishing is provided.

Abstract: An alignment structure of optical element is provided, including: an optical fiber, having a parallel fiber segment and a plurality of bare fiber segments; a cover plate, provided with a plurality of side-by-side guide grooves and a plurality of first coupling parts, the bare fiber segments of the optical fiber being arranged in the corresponding guide grooves, cross-sectional shapes of the guide grooves being at least one of U-shaped or V-shaped; and a silicon chip, provided with lines and a plurality of second coupling parts; when the cover plate is matched with the silicon chip, the first coupling parts and the second coupling parts being coupled and positioned with each other respectively, and the optical fiber being fixed between the silicon chip and the cover plate. As such, precise positioning and rapid assembly are achieved.

Abstract: An optical probe for optoelectronic integrated circuits is provided, applicable to a test environment for testing a plurality of optical chips on a wafer. The optical chips include at least one optical waveguide, and the optical probe includes a substrate and an optical fiber. The facet of the optical fiber has a first angle, and the first angle causes the optical signal transmitted by the optical fiber to generate total reflection, and the optical signal after total reflection enters the optical waveguide of the optical chip. Thereby, an optical probe able to perform testing before wafer cutting and polishing is provided, and a high-speed, effective and reliable detection is achieved.

Abstract: A fiber optic connector structure contains a base, a covering member, and a fitting sleeve. The base includes a holding face, two contacting portions, and at least one slot. A respective one of the at least one slot has an opening and has a bottom portion. The bottom portion of the respective one of the at least one slot has at least one notch, and a respective one of the at least one notch has a first inserting segment and a second inserting segment. The covering member includes two resilient extensions corresponding to the two contacting portions and a sliding block sliding from the opening to the bottom portion. The fitting sleeve is fitted on the base and the covering member, and provides a force on the sliding block, so that the sliding block retains the fiber stub and the field fiber.

Abstract: A fiber optic connector structure contains: a base, a covering member, and a fitting sleeve. The base includes: a holding face, two contacting portions, and at least one slot, wherein a respective one of the at least one slot has an opening and has a bottom portion, the bottom portion of the respective one of the at least one slot has at least one notch, and a respective one of the at least one notch has a first inserting segment and a second inserting segment. The covering member includes two resilient extensions corresponding to the two contacting portions and a sliding block sliding from the opening to the bottom portion. The fitting sleeve is fitted on the base and the covering member, and providing a force on the sliding block so that the sliding block retains the fiber stub and the field fiber.

Abstract: A guiding connector for optical fiber extension has a positioning section in the accommodating hole to receive a optical fiber and has a ventilative recess defined on one side to communicate with the positioning section of the accommodating hole. The positioning section adjacent to the ventilative recess achieves a ventilative portion to discharge gas inside the positioning section so that optical fibers are assembled and processed precisely and rapidly.

Abstract: A bi-directional transceiver, integrated module based on a silicon optical bench is provided, which comprises at least a laser diode, at least a signal detector, at least a thin film filter, at least an optical lens, an optical fiber and an SiOB. As the optical signal of specific wavelength can be reflected or inserted by thin film filter, the module has functions of a wavelength division multiplexer and a bi-direction transceiver. Furthermore, the optical lens improves the coupling efficiency between the laser diode and the optical fiber. On the other hand, a plurality of optical elements are integrated on the same SiOB. Hence, only a single optical fiber is used and optical signals of multiple wavelengths can be handled simultaneously.

Abstract: The present invention discloses an optic based wavelength division multiplexer device made by a micro lithography and etching process, utilizing the special crystal lattice structure of a silicon wafer. The device comprises a silicon substrate with grooves, an input fiber optic of incoming port with its front lens, a fiber optic of pass port with its front lens, a fiber optic of reflect port with its front lens, and a thin-film filter. The fiber optics, lenses, and the thin-film filter are inserted into grooves to complete the fiber-to-fiber alignment and coupling. The present invention provides both functions of wavelength multiplexing and wavelength demultiplexing. The present invention also has the characteristics of automatic alignment and passive alignment.

Abstract: An optical circulator having reduced size and low polarization mode dispersion is disclosed. A transparent optical circulator comprises a first birefringent crystal, a first pair of Faraday polarization rotators having two Faraday polarization rotators aligned in parallel with the propagation direction of an optical signal, a second birefringent crystal, a second pair of Faraday polarization rotators similar to the first pair of Faraday polarization rotators, and a third birefringent crystal. The optical circulator with a reflector or an input/output device and the Faraday rotators together reduce the total size of the circulator, increase the number of input/output ports, and improve the propagation quality of the optical signal by decreasing the polarization mode dispersion. A reflective optical circulator is also presented.