Optical module
A technology of optical modules and optical fibers, which is applied in the field of optical transmission, can solve problems affecting the performance of laser transmitters, increase the intensity noise of laser transmitters, and affect the performance of optical modules, so as to improve the quality of eye diagrams, reduce return loss, and improve performance effect
Active Publication Date: 2021-08-24
ALIBABA GRP HLDG LTD
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[0003] However, in the current optical module, since the light encounters any end face, it will be reflected, so some of the light will inevitably be returned to the laser transmitter by the original path, and this part of the reflected light will affect the performance of the laser transmitter, such as causing the laser to emit The relative intensity noise of the device becomes larger, which affects the performance of the entire optical module
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[0029] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present specification as recited in the appended claims.
[0030] The terms used in this specification are for the purpose of describing particular embodiments only, and are not intended to limit the specification. As used in this specification and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the t...
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The invention provides an optical module. The optical module comprises a transmitting end assembly and a light-transmitting assembly. The light transmitting assembly comprises a first light transmission cavity used for transmitting light signals, the first light transmission cavity comprises a light transmission surface, and the light signals transmitted by the transmitting end assembly are transmitted to an optical fiber connected to the optical module through the light transmission surface; the optical transmission surface is provided with a first optical film layer, and the first optical film layer is used for reflecting or attenuating at least one part of optical signals guided out from the optical fiber and returning the optical signals to the transmitting end assembly.
Description
technical field [0001] This specification relates to the field of optical transmission technology, and in particular to an optical module. Background technique [0002] In the optical transmission network, the optical module sends and receives signals through optical fibers. in the receiver. [0003] However, in the current optical module, since the light encounters any end face, it will be reflected, so some of the light will inevitably be returned to the laser transmitter by the original path, and this part of the reflected light will affect the performance of the laser transmitter, such as causing the laser to emit The relative intensity noise of the device becomes larger, thereby affecting the performance of the entire optical module. Contents of the invention [0004] This specification proposes an optical module, which can reduce the optical signal returned to the transmitting end component and improve the performance of the optical module. [0005] According to t...
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IPC IPC(8): G02B6/42
CPCG02B6/4209G02B6/4214
Inventor 鲍赟王安斌谢崇进
Owner ALIBABA GRP HLDG LTD