Abstract: The present invention provides a module structure, which is adapted for the optical-electric module field in the field of optical communication. The module structure comprises a torsional spring that is fixed to a bail; the torsional spring comprises a left torsional spring and a right torsional spring that are symmetrically provided on the bail; the left torsional spring comprises a first supporting rod, a first screw hole, a first connecting rod and a second screw hole that are sequentially connected; the second screw hole is nested outside a third rotation shaft of the bail, the first screw hole is nested outside the first rotation shaft after passing through the L-shaped-rod formed first connecting rod, and the direction of the first supporting rod is upwardly inclining and forms an angle of less than 90° with the plane where the bail is located. The module has good shielding effect.

Abstract: A module retracting type installing and uninstalling device, including a base, a slide block, a pressing cover and a bail. The slide block includes a long-strip-shaped slide block base body, and U-shaped grooves are respectively formed in the middle part of two side walls of the slide block base body. A square hole is formed at the rear end of the slide block base body, and is sheathed onto a triangular lock catch of the base. First and second rotating shafts of the bail are respectively located in two snapping grooves at the front end of the base, and third and fourth rotating shafts are respectively located in the U-shaped grooves. The pressing cover includes a square pressing cover base body, and a pressure resilient sheet attached to the upper surface of the slide block and being pressed to the base.

Abstract: Provided is a working point controlling device and method for applying MZ modulator, which includes: a light modulator; a transimpedance amplifier, transmits current outputted by PD of the modulator into voltage signal; a low-noise amplifier, detects low-frequency signal and amplifies the signal, in order to improve the signal/noise ratio; a high Q band-pass filter, detects error signal and amplifies the signal, in order to improve the signal/noise ratio; a first power level conditioning, performs power level condition on error signal of phase, in order that signal output meets A/D input rang; a micro processor, generates low-frequency signal and finishes software synchronization detection wave and ratio integration PI adjusting algorithm; a second power level conditioning, finishes D/A output voltage condition, in order that D/A output is able to meet direct current offset whole controlling range power voltage range of the light modulator.

Abstract: Provided are a silica-on-silicon-based hybrid integrated optoelectronic chip and a manufacturing method therefor. The hybrid integrated optoelectronic chip comprises a silicon substrate (1), wherein the surface of the silicon substrate (1) is provided with a platform (8), lug bosses (6,7) and a groove (10); a silica waveguide element (2) is arranged in the groove (10), the lug bosses (6,7) are protruded from the surface of the platform (8), and the surface of the platform (8) is provided with a discontinuous metal electrode layer (3); and the surface of the metal electrode layer (3) is provided with solder bumps (4), and an active optoelectronic chip (5) is arranged above the solder bumps (4) and the lug bosses (6, 7).

Abstract: An electric-port SFP photoelectric module includes a base, an outer cover, a PCB and an RJ45 connector. The base is a rectangular parallelepiped with an inner cavity. The PCB and the RJ45 connector are connected in a combined manner. A combined structure of the PCB and the RJ45 connector is arranged in the inner cavity of the base. The upper part of the base is fastened with the outer cover.

Abstract: Disclosed is a portable downloader comprising a pen-shaped housing and a circuit board provided inside of the pen-shaped housing. Provided at one end of the circuit board is a micro-universal serial bus (MUSB) port. Connected to the circuit board are a ground wire and two data wires. Each data wire is connected to a probe at the other end. Provided at the end of the pen-shaped housing corresponding to the MUSB port is a socket. Provided at the other end are two position-fixing holes. The two probes penetrate the position-fixing holes. The MUSB port connects to a computer universal serial bus (USB) port through a USB-MUSB computer extension wire. The portable downloader uses USB power supply with no need for an external power supply, and supports hot plug. The downloader uses the two probes as the C2 port, and is convenient to transmit data to C2 slave devices. The downloader is of a pen-shaped packaging, and is therefore easy to carry.

Abstract: An in-application upgrade method is used for optical module firmware not breaking a service. A storage area for internal programs of an optical module is divided into two areas which are respectively used for storing upgrade and application programs, and is divided into an area for backing up an interrupt vector table of a Boot program. An upper computer is in communication with the optical module. The interrupt vector table is switched, and the jump between the Boot program and the application program is achieved. The method includes extracting the contents of firmware, entering a download mode and updating the firmware. The original firmware is erased, and new firmware is written. An application mode is entered, the upper computer sending an exit command from the download mode. The upgrade program exits and a new application program is executed. The optical module operates normally without interruption.

Abstract: Provided is a working point controlling device and method for applying MZ modulator, which includes: a light modulator; a transimpedance amplifier, transmits current outputted by PD of the modulator into voltage signal; a low-noise amplifier, detects low-frequency signal and amplifies the signal, in order to improve the signal/noise ratio; a high Q band-pass filter, detects error signal and amplifies the signal, in order to improve the signal/noise ratio; a first power level conditioning, performs power level condition on error signal of phase, in order that signal output meets A/D input rang; a micro processor, generates low-frequency signal and finishes software synchronization detection wave and ratio integration PI adjusting algorithm; a second power level conditioning, finishes D/A output voltage condition, in order that D/A output is able to meet direct current offset whole controlling range power voltage range of the light modulator.

Abstract: Disclosed is a mounting and fixing structure for an optical fiber of a photoelectron device. The photoelectron device comprises a tube shell (120), with a tail tube (140) extending outwards being arranged on the tube shell (120). One end of an optical fiber is provided with a coupling structure (340), and the optical fiber comprises a fiber core (201) and an envelope (202) which is made of the same material as the fiber core (201) and covers the fiber core. One end of the optical fiber close to the coupling structure (340) forms a bare optical fiber (230) which consists of a fiber core (201) and an envelope (202), and the other end forms a basic optical fiber (200) which consists of a fiber core (201), an envelope (202) and a coating (203); and the optical fiber penetrates into the tail tube (140). The bare optical fiber (230) of the optical fiber is welded and fixed to the tail tube (140) through glass solder (160).

Abstract: A side-coupling optical fiber assembly comprises a first substrate (200), on a surface of which at least one concave groove is provided; an optical fiber (210) disposed in the concave groove; and a second substrate (220) disposed on the first substrate (200) and pressed on the optical fiber (210). The end of the optical fiber (210) between the first substrate (200) and the second substrate (220) is set as a slant surface (240), which is used for performing total reflection for the light beam transmitted in the optical fiber (210). A method for making the side-coupling optical fiber assembly is provided.

Abstract: A side-coupling optical fiber assembly comprises a first substrate (200), on a surface of which at least one concave groove is provided; an optical fiber (210) disposed in the concave groove; and a second substrate (220) disposed on the first substrate (200) and pressed on the optical fiber (210). The end of the optical fiber (210) between the first substrate (200) and the second substrate (220) is set as a slant surface (240), which is used for performing total reflection for the light beam transmitted in the optical fiber (210). A method for making the side-coupling optical fiber assembly is provided.

Abstract: A bail type-unlocking device for an opto-electronic module, which pertains to an unlocking device for a hot pluggable type opto-electronic module in the optical communication field.

Abstract: A coaxial opto-electronic device used for SFF (Small Form Factor) and SFP (Small Form-Factor pluggable) opto-electronic transceiver module comprises an opto-electronic TO CAN (201) having a cap border (106) at one end, a metal tube (203) disposed around the opto-electronic TO CAN (201), and an isolation ring (202) interposed between the end face of the metal tube (203) and the cap border (106). The coaxial opto-electronic device allows the device's metal case ground to be insulated from the inner data ground, and at the same time, the device outer form is small enough and the size of inner part thereof is enlarged.

Abstract: An unlocking and resetting device for an opto-electronic module comprises a casing having a blind hole and a horizontal slide slot, and first and second mounting parts; an elastic piece; a shell; first springs; an insert block adapted to be inserted into the blind hole; a brake member adapted to be inserted and disposed in the horizontal slide slot; second springs; first and second pressing blocks adapted to be mounted onto first and second mounting parts; and a bail having a cam portion. The single-arm bail of the unlocking and resetting device can return the start position automatically without manual repositions.

Abstract: An unlocking and resetting device for an opto-electronic module comprises a casing having a blind hole and a horizontal slide slot, and first and second mounting parts; an elastic piece; a shell; first springs; an insert block adapted to be inserted into the blind hole; a brake member adapted to be inserted and disposed in the horizontal slide slot; second springs; first and second pressing blocks adapted to be mounted onto first and second mounting parts; and a bail having a cam portion. The single-arm bail of the unlocking and resetting device can return the start position automatically without manual repositions.