Optical Routing Architecture and Routing Chip
An optical circuit and chip technology, which is applied in the field of optical communication technology and optical sensing, can solve the problem that the maximum insertion loss of optical signals cannot be taken into account at the same time, achieve obvious market competitiveness and commercial prospects, ensure stability, and reduce loss.
Active Publication Date: 2022-08-02
QXP TECH INC +1
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[0012] In order to solve the problem that the existing optical routing structure cannot simultaneously consider the number of switches and the maximum insertion loss of optical signals pointed out in the background technology, the present invention provides an optical routing architecture, and also provides a routing chip using the optical routing architecture
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[0045] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0046] This embodiment provides a specific structure of an optical routing architecture, such as Figure 5 As shown, the architecture includes two parts, one part is the signal transparent transmission unit, and the other part is the aggregation download unit.
[0047] like Image 6 As shown, the number of signal transparent transmission units is roundup(M / K,0);
[0048] When M / K is an integer, each signal transparent transmission unit includes K input ports, K output ports, N columns of signal down...
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The invention discloses an optical routing architecture and a routing chip. The routing architecture includes a signal transparent transmission unit and a convergence download unit; the signal transparent transmission units are roundup (M / K, 0); each signal transparent transmission unit includes K an input port, K output ports, N columns of signal download channels and an optical switch matrix, the number of the optical switch matrix is K×N, and in the optical switch matrix, all the optical switches in each column are serially connected in sequence to form a signal download channel, All optical switches in each row are connected in series to form a signal output channel; the aggregation download unit is N 1×Q optical switch matrices; the 1×Q optical switch matrix includes roundup (M / K, 0) input ports, roundup ( M / K,0)‑1 optical switch and 1 download port; roundup(M / K,0)‑1 optical switch constitutes Roundup(Log 2 (roundup(M / K,0)),0) level switch; the output of the i-th signal download channel in all signal transparent transmission units is used as the input of the j-th 1×Q optical switch matrix. The optical routing architecture has a small number of optical switches and a small maximum insertion loss, thereby greatly reducing the cost of the product.
Description
technical field [0001] The invention belongs to the field of optical communication technology and optical sensing, and in particular relates to an optical routing architecture and a routing chip. Background technique [0002] In optical communication and optical sensing systems, there are multiple optical signals, such as M, that work at the same time, and these optical signals can be of different wavelengths or the same wavelength. When these optical signals are transmitted through the optical fiber to an optical signal transparent transmission and download device, some of the optical signals will be downloaded in this device, such as N, and the remaining optical signals will be output from M-N of the M output ports. transfer to the next device, such as figure 1 shown. In order to ensure the flexibility and freedom of the system, among the M optical signals reaching the device, N selected in any order must be able to be downloaded normally. [0003] In response to this d...
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IPC IPC(8): H04Q11/00G02B6/35
CPCH04Q11/0005G02B6/3546H04Q2011/0007
Inventor 徐之光赵臻青李庭州骆弟伟
Owner QXP TECH INC