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Multi-channel tunable laser

A multi-channel, laser technology, used in lasers, laser devices, laser parts and other directions, can solve the problems of large packaging, severe process, high cost, reduce chip space, save optical amplifiers, and reduce the size by half.

Active Publication Date: 2016-06-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently available tunable lasers have harsh processes or suffer from large packages
Higher cost due to wasted chip space or manufacturing process complexity

Method used

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Embodiment Construction

[0074] The following detailed description is presented in conjunction with the accompanying drawings, which form a part hereof, and show by way of illustration specific aspects in which the invention may be practiced. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not to be taken as limiting, but the scope of the present invention is defined by the appended claims.

[0075] It should be understood that comments made in relation to one described method may also apply to a corresponding device or system for performing the method, and vice versa. For example, if a specific method step is described, a corresponding device may include a unit for performing the described method step, even if this unit is not explicitly described or shown in the figures. Furthermore, it should be understood that the features of the var...

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Abstract

A multi-channel tunable laser includes: a frequency selective optical multiplexer comprising: a plurality of channel terminals for receiving / transmitting light; a plurality of channel waveguide blocks, each channel waveguide block comprising at least one reflectively terminated channel waveguide; and an optical coupling element optically coupling the plurality of channel terminals with the plurality of channel waveguide blocks, each of the channel waveguides of the plurality of channel waveguide blocks having a different length; a plurality of channel paths, each channel path coupled to a respective channel terminal of the plurality of channel terminals and comprising a gain element, a phase element and a reflective element; and a plurality of optical tuners, each one configured to tune the channel waveguides of a respective channel waveguide block of the plurality of channel waveguide blocks.

Description

technical field [0001] The invention relates to a multi-channel tunable laser, in particular to a wide-range tunable multi-channel laser using half an arrayed waveguide grating (AWG) to tune multiple optical channels and a multi-channel tuning laser method. Background technique [0002] Wavelength-agile single-frequency laser diodes are considered essential components for various telecommunication applications. Such laser diodes can be used as a replacement for fixed wavelength emitters. When a wavelength multiplexing (WDM) communication system operates on a large number of optical wavelength channels, a large number of fixed-wavelength transmitters must be used as spare parts, which generates high additional costs. However, with a broadly tunable laser capable of operating on any available optical channel, the cost can be significantly reduced. Tunable lasers are becoming key enabling components of optical networks. They can be used for functions such as packet switching...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/125H01S5/40H01S5/06G02B6/42G02B6/12
CPCH01S5/0607H01S5/0612H01S5/1007H01S5/1092H01S5/141H01S5/4062H01S5/0261H01S5/0268H01S5/0287H01S5/06246H01S5/1212H04J14/00H04B10/503
Inventor 拉姆西·萨利姆卡尔·博伊兰伊恩·里阿尔曼理查德·怀亚特大卫·罗杰斯
Owner HUAWEI TECH CO LTD
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