Regeneratively mode-locked fiber laser based on two-dimensional material photoelectric device

A fiber laser and optoelectronic device technology, applied in lasers, laser parts, electrical components, etc., can solve the problems of complex laser structure, and achieve the effect of high pulse repetition frequency, narrow junction pulse width and stable operation.

Active Publication Date: 2017-10-27
TIANJIN UNIVERSITY OF TECHNOLOGY
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AI Technical Summary

Problems solved by technology

Active mode-locking can provide a higher repetition rate, passive mode-locking can provide narrower pulses, and active-passive joint mode-locking can not only increase the pulse repetition frequency, but also make the pulse narrower, but the active-passive joint mode-locking mode will complicate the structure of the laser

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  • Regeneratively mode-locked fiber laser based on two-dimensional material photoelectric device
  • Regeneratively mode-locked fiber laser based on two-dimensional material photoelectric device

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Embodiment Construction

[0016] A regenerative mode-locked fiber laser based on a two-dimensional material optoelectronic device, comprising an erbium-doped fiber amplifier 1, a polarization controller 2, an electro-optic modulator 3, an optical fiber circulator 4, a two-dimensional material optoelectronic device 5, a narrowband microwave filter 6, A narrowband microwave amplifier 7, a microwave phase shifter 8, an adjustable optical fiber delay line 9, and a 20:80 optical fiber coupler 10, wherein the two-dimensional material optoelectronic device 5 is composed of a source 51, a drain 52, a two-dimensional tungsten disulfide nano Sheet 53, two-dimensional black phosphorus nanosheet 54, mirror 55, and silicon oxide substrate 56, wherein the electro-optic modulator 5 is composed of three ports a, b, and c, and the optical fiber circulator is composed of three ports d, e, and f Composition, 20:80 fiber coupler 10 is composed of three ports g, h, i, and other devices are composed of two ports, two-dimensi...

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Abstract

The invention discloses a regeneratively mode-locked fiber laser based on a two-dimensional material photoelectric device. The laser comprises an erbium-doped optical fiber amplifier (1), a polarization controller (2), an electro-optical modulator (3), an optical fiber circulator (4), the two-dimensional material photoelectric device (5), a narrowband microwave filter (6), a narrowband microwave amplifier (7), a microwave phase shifter (8), a tunable optical fiber delay line (9) and a 20: 80 optical fiber coupler (10), wherein the two-dimensional material photoelectric device (5) is formed by a source electrode (51), a drain electrode (52), a two-dimensional tungsten disulfide nanosheet (53), a two-dimensional black phosphorus nanosheet (54), a reflector (55) and a silicon oxide substrate (56); the two-dimensional material photoelectric device (5) has two functions in order to be both taken as a photoelectric detector and a saturable absorber.

Description

technical field [0001] The invention belongs to the technical fields of optical fiber communication and optoelectronics, in particular to a regenerative mode-locked optical fiber laser based on a two-dimensional material optoelectronic device. Background technique [0002] Fiber laser has many characteristics such as good beam quality, high efficiency, good stability, compact structure, low cost, easy heat dissipation, easy realization of high power, and easy maintenance, and has attracted widespread attention. In particular, modulated and mode-locked pulsed fiber lasers with high beam quality, high output power, and high stability have broad application prospects in various fields such as biomedicine, laser communication, laser ranging, laser weapons, and laser processing. Femtosecond pulses with low time-domain jitter and high repetition rate are required in many modern application fields, especially in the fields of optical frequency combs and fiber optic timing. The mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/098H01S3/067
CPCH01S3/067H01S3/1118
Inventor 潘洪刚张爱玲宋红云王洛欣姚远张悦
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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