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Ceramic insert needle of coaxial packaged semiconductor laser

A semiconductor and laser technology, applied in the field of coaxial packaged semiconductor laser ceramic pins, semiconductor laser coaxial packaged device accessories, can solve the problem of low output optical power, low coupling efficiency between ceramic core and capping laser, device application limitations, etc. problems, to achieve the effect of improving optical power, prolonging service life, and improving coupling efficiency

Active Publication Date: 2009-01-14
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the coupling efficiency between the ceramic core and the sealed cap laser is directly low, and the output power is not high, and the application of the device is greatly limited.

Method used

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  • Ceramic insert needle of coaxial packaged semiconductor laser
  • Ceramic insert needle of coaxial packaged semiconductor laser

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Embodiment Construction

[0016] see figure 1 ,and figure 2 ,exist figure 1 and figure 2 In the embodiment of the present invention, a coaxial package semiconductor laser ceramic ferrule includes:

[0017] An optical fiber 1, which uses an uncoated single-mode optical fiber whose end has been processed into an aspherical shape;

[0018] A hollow ceramic rod 2, the hollow ceramic rod 2 is cylindrical, and a circular hole 21 is opened in the axial center of the hollow ceramic rod 2, and the optical fiber 1 is located in the circular hole 21 on the central axis of the hollow ceramic rod 2, the The hollow ceramic rod 2 is made of nano-zirconia micropowder material, and the diameter of the round hole 21 of the hollow ceramic rod 2 is a clearance fit with the outer diameter of the optical fiber 1;

[0019] After the optical fiber 1 is put into the round hole 21 of the hollow ceramic rod 2, it is fixed with glue that is resistant to high and low temperature and can bond ceramics.

[0020] Wherein, the ...

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Abstract

A ceramic contact pin of a coaxial packaged semiconductor laser characterizes in including a fiber, a hollow cylindrical ceramic rod, among which, a round hole is opened on the axial center of the rod, said fiber is placed in the round hole of the central axis. This ceramic contact pin can easily match with the emit light field of the coaxial packaged semiconductor laser after sealing the head since it changes the geometrical shape of a fiber end face, which increases the coupled efficiency and increases the light power to prolong life of a semiconductor layer.

Description

technical field [0001] The invention belongs to the technical field of optical fiber communication, and more specifically relates to a coaxially packaged semiconductor laser ceramic ferrule, which is an accessory for a semiconductor laser coaxially packaged device. Background technique [0002] In optical fiber communication technology, semiconductor lasers are widely used as signal sources. Usually, the laser light emitted by semiconductor lasers needs optical fiber or lens coupling to extract the laser light before it can be applied to optical fiber communication systems. Therefore, many different coupling packaging forms have been produced, such as coaxial packaging, dual in-line packaging and butterfly packaging. Among them, coaxial packaged devices are widely used in access networks, metropolitan area networks, rack switching, and cable TV due to their small size, low cost, and convenient connection. Usually semiconductor laser coaxial devices, optical fibers and lase...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/42H01S5/022H04B10/12H01S5/02
Inventor 王欣祝宁华袁海庆
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI