Optical transceiver and production method thereof
An optical transceiver, optical transmission technology, applied in electromagnetic transceivers, printed circuit manufacturing, coupling of optical waveguides, etc., can solve problems such as the degradation of optical transmission quality
Inactive Publication Date: 2015-02-11
FUJITSU OPTICAL COMPONENTS LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
Such an impedance change is the cause of the degradation of optical transmission quality
Method used
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Embodiment Construction
[0026] Preferred embodiments will be described with reference to the drawings. Also, the optical transceiver and its manufacturing method disclosed in this application are not limited to the following embodiments.
[0027] First, the configuration of an optical transceiver according to an embodiment disclosed in this application will be explained. Figure 1A is an external perspective view of the optical transceiver 1 according to this embodiment. The optical transceiver 1 is used as an optical transceiver based on SFP (Small Form factor Pluggable: miniaturized and pluggable) or XFP (SFP supporting 10Gbps: SFP supporting 10Gbps) (SFP or XFP is a standard for optical transceivers that connect optical fibers to communication devices) Components of the optical module. Such as Figure 1A As shown, the optical transceiver 1 comprises a connector unit 33 attachable to a fiber optic cable. Therefore, the OLT, which is a station-side optical transmission device mounting the above op...
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Abstract
An optical transceiver includes a single-fiber bidirectional optical transmission / reception device, a circuit board, a transmission-side FPC, a reception-side FPC and a separation wall. The optical transceiver includes a single-fiber bidirectional optical transmission / reception device includes an LD stem that converts an electric signal into an optical signal and transmits it, and a PD stem that receives the optical signal and converts it into an electric signal. The transmission-side FPC electrically connects the LD stem and the circuit board. The reception-side FPC electrically connects the PD stem and the circuit board. The separation wall is formed between the transmission-side FPC and the reception-side FPC, and grounded to the chassis of the optical transceiver. The reception-side FPC is folded and set between the chassis and the separation wall such that the board front surface is an inner side, where the micro-strip line is formed on the above board front surface.
Description
technical field [0001] Embodiments discussed herein relate to optical transceivers and methods of fabricating optical transceivers. Background technique [0002] In the related art, with the development of communication technology, an optical network using an optical fiber to realize high-speed transmission has been popularized. Generally, an optical network is provided with an OLT (Optical Line Terminal: Optical Line Terminal) as an optical transmission device provided on the common carrier (common carrier) side, and an ONU (Optical Network Unit) as an optical user device provided on the user side. : optical network unit) and optical fiber cables connecting OLT and ONU. Although multiple solutions can be applied to the optical network, considering the simplification and lower cost of the network structure, the PON (Passive Optical Network: Passive Optical Network) solution is usually adopted. The PON scheme divides an optical fiber through an optical splitter and distribu...
Claims
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IPC IPC(8): G02B6/42H05K1/02H05K1/18
CPCY10T29/4913H05K1/147H05K3/30H05K1/0218H05K1/189H05K1/0215H05K3/02H04B10/40H05K2201/10121
Inventor 国井昌树大津努上冈正美山北真也
Owner FUJITSU OPTICAL COMPONENTS LTD