Optical intensity modulator based on optical resonator
A light intensity modulator, optical resonator technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of complex structure, input polarized light, etc., and achieve the effect of simple structure
Inactive Publication Date: 2019-05-21
台州市雅斯特丽灯具有限公司
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Problems solved by technology
[0003] Based on the above deficiencies, the present invention provides an optical intensity modulator based on an optical resonant cavity.
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Embodiment 1
[0013] combine figure 1 Describe this embodiment, an optical intensity modulator based on an optical cavity, including an isolator 1, a first coupler 2, a first optical waveguide 3, a second coupler 4, a second optical waveguide 5, and a piezoelectric ceramic tube 6 and a voltage source 7;
[0014] The optical output end of the isolator 1 is connected to the first optical input end of the first coupler 2, the first optical output end of the first coupler 2 is connected to the optical input end of the first optical waveguide 3, and the optical output of the first optical waveguide 3 end is connected to the optical input end of the second coupler 4, the first optical output end of the second coupler 4 is connected to the optical input end of the second optical waveguide 5, and the optical output end of the second optical waveguide 5 is connected to the optical output end of the first coupler 2 At the second optical input end, the first optical waveguide 3 and the second optical...
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The invention discloses a light intensity modulator based on an optical resonator; the light intensity modulator comprises an isolator, a first coupler, a first optical waveguide, a second coupler, a second optical waveguide, a piezoceramic tube, and a voltage source; the first coupler, the first optical waveguide, the second coupler and the second optical waveguide form the optical resonator; the optical resonator has two optical output ends; the first optical waveguide and the second optical waveguide are fixedly applied to the outer surface of the piezoceramic tube by tangling, and the first optical waveguide and the second optical waveguide are not in contact. The light intensity modulator has the advantages that the optical resonator and the piezoceramic tube are introduced, the optical waveguides of the optical resonator are fixed to the outer surface of the piezoceramic tube via tangling, and voltage between the inner and outer surfaces of the piezoceramic tube is adjusted to modulate intensity of output light; the light intensity modulator is simple in structure and low in cost and has no requirement on the polarization state of input light.
Description
technical field [0001] The invention relates to the technical field of optoelectronic devices, in particular to a light intensity modulator based on an optical resonant cavity. Background technique [0002] The light intensity modulator can modulate the intensity of its output light and make the intensity of the output light change according to a certain rule. The light intensity modulator has a wide range of applications in the fields of optical communication and optical sensing. The current light intensity modulators are mainly divided into acousto-optic, magneto-optic, and electro-optic modulators according to their principles, all of which can obtain good output light intensity modulation effects, but these modulators must build corresponding acousto-optic, magneto-optic or electro-optic modulators. The system can modulate the output light intensity. For example, in a magneto-optical optical intensity modulator, when light passes through a magneto-optic crystal (such as ...
Claims
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IPC IPC(8): G02F1/03G02F1/035G02F1/055
CPCG02F1/0305G02F1/035G02F1/055
Inventor 田赫崔金刚李景奎
Owner 台州市雅斯特丽灯具有限公司