CN-121995580-A - Multi-fiber multi-channel wavelength division multiplexing device and optical communication system
Abstract
The embodiment of the application relates to the technical field of optical communication and discloses a multi-fiber multi-channel wavelength division multiplexing device and an optical communication system. The multi-optical fiber multi-channel wavelength division multiplexing device comprises a first micro lens array, a filtering unit, a transparent substrate and a second micro lens array, wherein the first micro lens array comprises M rows and N columns of micro lenses, M represents the number of channels, N represents the number of optical fibers, the filtering unit comprises M filtering bands with central wavelengths, a first surface part of the transparent substrate is coated with a total reflection coating, the second micro lens array comprises 1 row and N columns of micro lenses, and N represents the number of optical fibers. The embodiment of the application realizes the shaping of the light beam through the micro lens array, adopts the multi-fiber multi-channel wavelength division multiplexing device, increases the bandwidth of the current network based on the standard WDM technology by N times, and can meet the bandwidth requirement of the current large data processing on the optical communication.
Inventors
- HE CHUN
- YANG XIAOFAN
Assignees
- 西安炬光科技股份有限公司
Dates
- Publication Date
- 20260508
- Application Date
- 20241106
Claims (6)
- 1. The multi-fiber multi-channel wavelength division multiplexing device is characterized by comprising a first micro lens array, a filtering unit, a transparent substrate and a second micro lens array, wherein: the first micro lens array comprises M rows and N columns of micro lenses, M represents the number of channels, and N represents the number of optical fibers; The filtering unit comprises M filtering wave bands with center wavelengths; a portion of the first side of the transparent substrate is coated with a total reflection coating; the second micro lens array is 1 row and N columns of micro lenses, and N represents the number of optical fibers.
- 2. The fiber optic coupler of claim 1, wherein the filter band is a thin film filter band.
- 3. An optical fiber communication system comprising the multi-fiber multi-channel wavelength division multiplexing device of claim 1 or 2, the optical fiber communication system further comprising an input and an output, the input and the output being connected to the first microlens array and the second microlens array, respectively.
- 4. A fiber optic communication system according to claim 3, wherein the input end and the output end are fiber optic ribbons, bundles or multi-core fibers.
- 5. An optical fiber communication system comprising the multi-fiber multi-channel wavelength division multiplexing device of claim 1 or 2, the optical fiber communication system further comprising an input and an output, the input and the output being connected to the second microlens array and the first microlens array, respectively.
- 6. The fiber optic communication system of claim 5, wherein the input end and the output end are fiber optic ribbons, fiber optic bundles, or multi-core fibers.
Description
Multi-fiber multi-channel wavelength division multiplexing device and optical communication system Technical Field The embodiment of the application relates to the technical field of optical communication, in particular to a multi-fiber multi-channel wavelength division multiplexing device and an optical communication system. Background Wavelength division multiplexers (WAVELENGTH DIVISION MULTIPLEXER, WDM) have been developed for many years, the key work of which was done by Michael Scobey in 1996. As technology advances, improvements have been made in the performance, manufacturability, or smaller size of wavelength division multiplexers. However, the wavelength division multiplexing devices and systems disclosed in the prior art are all based on single-fiber and multi-channel wavelength division multiplexing devices, and cannot meet the bandwidth requirement of large data processing on optical communication at the present stage. Disclosure of Invention In view of the above problems, embodiments of the present application provide a multi-fiber multi-channel wavelength division multiplexing device and system, which are used for solving the problem that the existing wavelength division multiplexing device and system cannot meet the bandwidth requirement of large data processing on optical communication at the present stage. According to an aspect of an embodiment of the present application, there is provided a multi-fiber multi-channel wavelength division multiplexing device, including a first microlens array, a filter unit, a transparent substrate, and a second microlens array, wherein: the first micro lens array comprises M rows and N columns of micro lenses, M represents the number of channels, and N represents the number of optical fibers; The filtering unit comprises M filtering wave bands with center wavelengths; a portion of the first side of the transparent substrate is coated with a total reflection coating; the second micro lens array is 1 row and N columns of micro lenses, and N represents the number of optical fibers. The embodiment of the application realizes the shaping of the light beam through the micro lens array, adopts the multi-fiber multi-channel wavelength division multiplexing device, increases the bandwidth of the current network based on the standard WDM technology by N times, and can meet the bandwidth requirement of the current large data processing on the optical communication. In an alternative, the filter zone is a thin film filter zone. The embodiment of the application adopts the closely arranged microlens array, the thin film filter band, the closely packed optical fiber band, the optical fiber bundle or the multi-core optical fiber, so that the multi-optical fiber multi-channel equipment occupies small space. It also effectively utilizes a thin film filter belt assembly, replacing a single lens with an MLA, thereby saving material and labor costs. In another aspect of the embodiment of the present application, an optical fiber communication system is provided, which includes the multi-optical fiber multi-channel wavelength division multiplexing device, and the optical fiber communication system further includes an input end and an output end, where the input end and the output end are respectively connected with the first microlens array and the second microlens array. In another aspect of the embodiment of the present application, an optical fiber communication system is further provided, which includes the multi-optical fiber multi-channel wavelength division multiplexing device, and the optical fiber communication system further includes an input end and an output end, where the input end and the output end are respectively connected with the second microlens array and the first microlens array. In an alternative form, the input end and the output end are optical fiber ribbons, bundles or multicore fibers. The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent. Drawings Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings: fig. 1 is a schematic diagram of a front view structure of a multi-fiber multi-channel wavelength division multiplexing device according to an embodiment of the present application; Fig. 2 is a schematic top view of a multi-fiber multi-channel wavelength division multiplexing device according to an embodiment of the present a