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All-optical wavelength conversion integrated chip based on transient chirp jump

An all-optical wavelength conversion and integrated chip technology, applied in the fields of optics, nonlinear optics, instruments, etc., can solve the problems of difficult integration, inability to achieve integration, miniaturization and productization, and bulky wavelength conversion devices. effect of integration, overcoming electron rate bottlenecks, improving gain effective recovery time

Inactive Publication Date: 2012-12-26
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned prior art, the object of the present invention is to provide an all-optical wavelength conversion integrated chip based on a transient chirp transition with fast wavelength conversion speed, small volume and easy integration. The technical problems it aims to solve are: Some wavelength conversion devices need tunable filters to filter out the pump light, but the existing filters are passive devices, and the semiconductor optical amplifier is an active device. It is difficult to integrate the two together, which leads to wavelength The conversion device is bulky and cannot be integrated, miniaturized and commercialized

Method used

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  • All-optical wavelength conversion integrated chip based on transient chirp jump
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  • All-optical wavelength conversion integrated chip based on transient chirp jump

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Embodiment

[0022] Under the following specific parameters, the simulation of the all-optical wavelength conversion chip based on the transient chirp transition provided by the present invention is carried out. The semiconductor optical amplifier has an active region length of 1 mm, a carrier lifetime of 60 ps, ​​an operating current of 400 mA, and a mode loss of 17 cm -1 , the TE mode confinement factor is 0.2, and the TM mode confinement factor is 0.14; the pump light has a wavelength λ pump Gaussian pulsed light with a working rate of 1550nm, a working rate of 160Gb / s, a pulse width of 2ps, and a pulse peak power of 20mW; the probe light is a wavelength λ probe DC light at 1565nm with an average power of 1mW. The working band of the arrayed waveguide grating is 1550nm, the passband spacing is 200GHz, and the sideband suppression ratio is 20dB. The delay time of the delay interferometer is 2ps. The specific implementation above realizes the transfer of the digital signal from the ...

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Abstract

The invention discloses an all-optical wavelength conversion integrated chip based on transient chirp jump and belongs to the field of photoelectron. The integrated chip comprises a semiconductor optical amplifier, an array waveguide grating and a delay interferometer, wherein the semiconductor optical amplifier, the array waveguide grating and the delay interferometer are connected sequentially and are integrated on a same semiconductor substrate, thereby forming a chip; an input end of the semiconductor optical amplifier is connected with an optical power coupler through an optical fiber; the delay interferometer is connected with the optical fiber; and the optical fiber is arranged at an output end of the integrated chip. According to the all-optical wavelength conversion integrated chip based on the transient chirp jump, a crossing gain modulating effect of the semiconductor optical amplifier is utilized to modulate a signal on pump light to detecting light different in wavelength; under the blue shift filtering action of the array waveguide grating, an ultrafast transient chirp jump dynamic process is extracted; the limitation of slower gain recovery time of the semiconductor optical amplifier to the operating rate is overcome; the speed of wavelength conversion is increased; the integrated chip has the characteristics of high wavelength conversion speed, small volume, easiness in integrating, and the like; the size of the whole all-optical wavelength conversion integrated chip can be reduced to 4.5mm*2mm; and the all-optical wavelength conversion integrated chip can be applied to a routing system of the next generation optical network.

Description

technical field [0001] The invention relates to an all-optical signal processing technology in the field of optoelectronic technology, in particular to an all-optical wavelength conversion integrated chip based on a transient chirp transition. Background technique [0002] In wavelength division multiplexing optical communication network, wavelength conversion is a key technology to solve wavelength competition, realize wavelength reuse and non-blocking wavelength routing. It modulates the digital signal carried by the pump optical signal that requires wavelength conversion to another probe optical signal with a wavelength different from that of the pump optical signal, such as figure 1 As shown, the input wavelength at the first optical input end of the wavelength conversion device is λ pump The pulsed light carrying the digital signal is used as the pump light, and at the same time, the input wavelength is λ at the second optical input port probe The continuous light of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/35G02F1/365
Inventor 刘永王蕾陈立功张雅丽张尚剑陆荣国
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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