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Debugging method for silicon-based CWDM (coarse wavelength division multiplexer) component

A technology of coarse wavelength division multiplexer and debugging method, which is applied to instruments, electrical components, optical components, etc., can solve the problems of complex process control, long process flow, large volume, etc., and achieves high coupling efficiency, simple production process, The effect of improving integration

Inactive Publication Date: 2018-11-23
NANJING HUAMAI TECH
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Problems solved by technology

[0003] For conventional coarse wavelength division multiplexing devices, thin-film filter technology (TFF for short) is currently used, but the core filter in TFF needs to be optically coated, which has problems such as complicated process control and high cost, and a single TFF device can only do Single-port or dual-port, for multi-channel wavelength division multiplexer products, only the hot-melt cascading method can be used
Therefore, the product volume is large and the process is long

Method used

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  • Debugging method for silicon-based CWDM (coarse wavelength division multiplexer) component
  • Debugging method for silicon-based CWDM (coarse wavelength division multiplexer) component
  • Debugging method for silicon-based CWDM (coarse wavelength division multiplexer) component

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] The implementation of this solution mainly includes the coupling and alignment of the three optical components of the single-core optical fiber array component, the silicon-based coarse wavelength division multiplexing chip and the multi-core optical fiber array component. Among them, the substrate of the silicon-based coarse wavelength division multiplexing chip is silicon, and the upper part is the transmission optical waveguide. The material is silicon dioxide, and the upper cladding layer is also silicon dioxide. Total reflection in the waveguide reduces optical attenuation; The single-core optical fiber array assembly includes single-mode optical fiber, square capillary and LC ladle needle. The main function of the LC ladle needle is to connect the optical path when the overall assembly is applied to the optical module. Multi-core optical fiber array compo...

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Abstract

The invention discloses a debugging method for a silicon-based CWDM (coarse wavelength division multiplexer) component, and the method comprises the steps: enabling an optical fiber of a square capillary tube end of a single-core fiber array component to be aligned with an input waveguide of a silicon-based CWDM chip; and enabling the fiber core of a multi-core fiber array to be aligned with an output waveguide of the silicon-based CWDM chip. The beneficial effects of the invention lie in that the method improves the integration degree of a product, is simple in production flow, is high in reliability, and is easy for batch production.

Description

technical field [0001] The invention relates to the field of optical communication and systems, in particular to a wavelength division multiplexing device for optical communication, in particular to a debugging method for a silicon-based coarse wavelength division multiplexer component. Background technique [0002] With the continuous improvement of optical communication technology, 200G / 400G high-speed, large-capacity network and the evolution of 5G technology, wavelength division multiplexing technology has become the preferred solution for network expansion and speed-up. [0003] For conventional coarse wavelength division multiplexing devices, thin-film filter technology (TFF for short) is currently used, but the core filter in TFF needs to be optically coated, which has problems such as complicated process control and high cost, and a single TFF device can only do For single-port or dual-port, for multi-channel WDM products, only thermal fusion cascading can be used. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/293H04B10/073
CPCG02B6/2938H04B10/0731
Inventor 刘光清耿玲王玉芹朱红华
Owner NANJING HUAMAI TECH
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