Single-fiber bi-directional optical component and optical module

An optical component and optical axis technology, applied in the field of optical communication, can solve the problems of complex manufacturing process and high production cost of single-fiber bidirectional optical components, and achieve the effect of reducing material cost and simplifying optical path.

Inactive Publication Date: 2019-01-15
HISENSE BROADBAND MULTIMEDIA TECH
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[0005] The embodiment of the present invention provides a single-fiber bidirectional optical component and an optical module, which are used t

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  • Single-fiber bi-directional optical component and optical module
  • Single-fiber bi-directional optical component and optical module
  • Single-fiber bi-directional optical component and optical module

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[0032] The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present invention. Rather, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0033] The terms "including" and "having" in the specification and claims of the present invention and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes unlisted steps or units, or optionally al...

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Abstract

An embodiment of the invention provides a single-fiber bi-directional optical component and an optical module. The single-fiber bi-directional optical component comprises a laser chip, a Faraday rotator, a polarization detection filter, a detector chip and an optical fiber ferrule. The laser chip, the Faraday rotator, the polarization detection filter and the optical fiber ferrule are sequentiallyarranged on a first optical axis. The detector chip is arranged on a second optical axis. The polarization detection filter is obliquely arranged at an intersection of the first optical axis and thesecond optical axis. After a polarized light emitted by the laser chip rotates by the Faraday rotator, the polarization state direction of the polarized light is consistent with the polarization detection direction of the polarization detection filter. The polarized light enters the optical fiber ferrule to transmit, and the light from the optical fiber ferrual is reflected by the polarization detection filter to enter the detector chip. According to the single-fiber bi-directional optical component provided by the embodiment of the invention, dual functions of isolation and light splitting are realized by the Faraday rotator and the polarization detection filter, so that the optical path is simplified, and the material cost is reduced.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of optical communication, and in particular, to a single-fiber bidirectional optical component and an optical module. Background technique [0002] With the development of optical communication technology, the single-fiber bidirectional technology, which can increase data transmission capacity and save fiber resources, has achieved rapid development. Single-fiber bidirectional optical sub-assembly (Bi-directional Optical Sub-Assembly, BOSA) is an important device to realize single-fiber bidirectional communication. [0003] The optical path of the single-fiber bidirectional optical component includes a transmitting optical path for transmitting signals and a receiving optical path for receiving signals. In order to prevent the reflected light from entering the laser chip, affecting the modulation characteristics and spectral characteristics of the laser, and further affecting the trans...

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Application Information

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IPC IPC(8): G02B6/42
CPCG02B6/4208G02B6/4209G02B6/2706G02B6/2773G02B6/4213H04B10/2589
Inventor 葛建平
Owner HISENSE BROADBAND MULTIMEDIA TECH
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