CN101957479B - Method for realizing output of optical microcavity coupling system by temperature modulation and coupling structure thereof - Google Patents

Method for realizing output of optical microcavity coupling system by temperature modulation and coupling structure thereof Download PDF

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Publication number
CN101957479B
CN101957479B CN2010102430504A CN201010243050A CN101957479B CN 101957479 B CN101957479 B CN 101957479B CN 2010102430504 A CN2010102430504 A CN 2010102430504A CN 201010243050 A CN201010243050 A CN 201010243050A CN 101957479 B CN101957479 B CN 101957479B
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optical microcavity
coupled system
temperature
microheater
optical
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CN101957479A (en
Inventor
熊继军
严英占
闫树斌
刘俊
张文栋
张会新
吉喆
赵敏
刘正
李�杰
张宇光
李鹏
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North University of China
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North University of China
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Abstract

The invention provides a method for realizing output of an optical microcavity coupling system by temperature modulation and a coupling structure thereof. The coupling structure is mainly characterized in that one side of the coupling system is equipped with a microheater, a lead of the microheater is connected with a temperature control device, and the whole optical microcavity, a coupler and the microheater are accommodated in a packaging body by an optical transparent packaging material. The method is characterized in that output of the optical microcavity coupling system is regulated and stabilized by adjusting and controlling the temperature of the optical microcavity coupling system. The invention solves the technical problems for developing relevant devices in the technical field and provides a feasible and simple-structure technical scheme.

Description

The output intent and the coupled structure thereof of temperature modulation optical microcavity coupled system
Technical field
The invention belongs to the Micro-Opto-Electro-Mechanical Systems technical field, relate generally to a kind of temperature control method and structural approach thereof of device, particularly relate to a kind of output intent and coupled structure thereof of temperature modulation optical microcavity coupled system.
Background technology
The high Q optical microcavity of Whispering-gallery-mode (WGM) has obtained broad research in recent years.In this pattern, laser is propagated in the total reflection mode along the optical microcavity great circle.Therefore, luminous energy has only minimum part to be leaked to outside the chamber in the microcavity, thereby has formed the high Q value optical mode of propagating along the interface.Ultrahigh Q-value makes this type of optical microcavity can be applicable to fields such as low threshold value Laser emission, high sensitive sensor, optical communication device.
The working point of the coupled system that optical microcavity of find making in the applied research of microcavity and coupled apparatus constitute often is not our best operating point in application,, need finely tune the output of coupled system for this reason.Because working long hours of optical microcavity can cause the thermal effect of coupled system, directly translates into the temperature drift of coupled system.These temperature drifts will cause the instability of coupled system working point.
How the stable work of this coupled system is finely tuned and made to the optical microcavity coupled system, be the technological difficulties of related device development in the art all the time, and the technical scheme of well not dealing with problems.
Summary of the invention
The objective of the invention is to be difficult for regulating for the working point that overcomes the coupled system that passes optical microcavity and coupling mechanism composition, and the working point is subjected to influence of temperature change easily, provide and effectively to finely tune, and make the output intent and the coupled structure thereof of the temperature modulation optical microcavity coupled system of the stable work of this coupled system.
For realizing above-mentioned purpose, the present invention takes following technical scheme:
The output intent of temperature modulation optical microcavity coupled system, employed this optical microcavity coupled system is to be made of optical microcavity and coupling mechanism, it is characterized in that:, adjust output with stable optical microcavity coupled system by adjusting and control the temperature of optical microcavity coupled system.
Described adjustment and control optical microcavity coupled system temperature are to use the microheater of coupling mechanism side dress in the optical microcavity coupled system, and external attemperating unit; Adjust the size of the thermal value of microheater by attemperating unit, promptly adjust the temperature of optical microcavity coupled system, output signal by the optical microcavity coupled system that detects, obtain the equilibrium temperature point of optical microcavity coupled system, and the temperature of control of the feedback temperature control system by attemperating unit or inching optical microcavity coupled system on equilibrium temperature point, with the stable output of acquisition optical microcavity coupled system.
The coupled structure of temperature modulation optical microcavity coupled system comprises optical microcavity, coupling mechanism and packaging body, it is characterized in that: also be included in the microheater that coupled systemes is unified side; Described packaging body is solidified by the optical clear encapsulating material and constitutes, and whole optical microcavity, coupling mechanism and microheater are inclusive in the packaging body; Described microheater connects lead, and lead is drawn outside the packaging body.
Described microheater and coupling mechanism in coupling mechanism one side, both distances of its microheater and coupling mechanism are in hundred microns.
Described microheater connects attemperating unit by lead, and is controlled the size of the thermal value of microheater by attemperating unit.
The invention has the beneficial effects as follows:
The output intent and the coupled structure thereof of temperature modulation optical microcavity coupled system of the present invention, solved is the technical barrier of related device development in the art all the time, provides practicable, technical scheme simple in structure.Realized the temperature control of optical microcavity coupled system, can be with the temperature of optical microcavity coupled system being controlled on the optimum steadily.This will be significant for advancing the optical microcavity research and development and applying.
Description of drawings
Fig. 1 is the coupled structure synoptic diagram of temperature modulation optical microcavity coupled system of the present invention.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the coupled structure synoptic diagram of temperature modulation optical microcavity coupled system of the present invention.The coupled structure of temperature modulation optical microcavity coupled system comprises optical microcavity 1, coupling mechanism 2 and packaging body 3, reaches the microheater 5 of unifying side at coupled systemes; Described packaging body is solidified by the ultraviolet glue encapsulation and constitutes, and whole optical microcavity, conical fiber coupling mechanism and microheater are included in the packaging body; Described microheater connects lead 4, and lead draws outside the packaging body, and connects attemperating unit 6 by lead, and by the size of the thermal value of attemperating unit control microheater.Described in coupling mechanism one side microheater and conical fiber coupling mechanism distance in hundred microns.Wherein:
● optical microcavity comprises types such as optics microballoon chamber, optics dish type microcavity, optics annular micro-cavity, optical waveguide racetrack microcavity.The embodiment of the invention is optics microballoon chamber.
● coupling mechanism comprises types such as conical fiber coupling mechanism, prism coupler, side polish line coupling mechanism, grating coupler.The coupling mechanism of example of the present invention is the conical fiber coupling mechanism.
● the refractive index of low-consumption optical transparent encapsulation material will be lower than the refractive index of optical microcavity and coupling mechanism; It comprises the materials such as optical fiber coatings of low-refraction ultraviolet glue, low-refraction.The low-consumption optical transparent encapsulation material that the embodiment of the invention is used is the ultraviolet glue cohesive material of silicon dioxide refractive index, and refractive index is 1.32 ultraviolet glue.
● miniature hot device comprises minisize thermoelectric resistance, minisize thermoelectric diaphragm, or other electricity heating components and parts.The miniature hot device that the embodiment of the invention is selected for use is the minisize thermoelectric resistance.
The output intent of temperature modulation optical microcavity coupled system of the present invention, this optical microcavity coupled system is made of optical microcavity and coupling mechanism, realizes the output of optical microcavity coupled system by the temperature of adjusting and control the optical microcavity coupled system.Described adjustment and control optical microcavity coupled system method of temperature adopt coupled system side dress microheater in the optical microcavity coupled system, and external attemperating unit; Adjust the size of the thermal value of microheater by attemperating unit, promptly adjust the temperature of optical microcavity coupled system, when the optical microcavity coupled system that detects is output as satisfied signal, obtain the temperature spot of optical microcavity coupled system, and be controlled at this temperature spot, and make the temperature stabilization of optical microcavity coupled system by the feedback temperature control system of attemperating unit.
Wherein: attemperating unit is a kind of electronic device, is prior art, and the embodiment of the invention is used existing temperature control electronic device.

Claims (3)

1. the output intent of a temperature modulation optical microcavity coupled system, employed this optical microcavity coupled system is to be made of optical microcavity and coupling mechanism, it is characterized in that:, adjust output with stable optical microcavity coupled system by adjusting and control the temperature of optical microcavity coupled system;
Described adjustment and control optical microcavity coupled system temperature are to use the microheater of coupling mechanism side dress in the optical microcavity coupled system, and external attemperating unit; Adjust the size of the thermal value of microheater by attemperating unit, promptly adjust the temperature of optical microcavity coupled system, output signal by the optical microcavity coupled system that detects, obtain the equilibrium temperature point of optical microcavity coupled system, and the temperature of control of the feedback temperature control system by attemperating unit or inching optical microcavity coupled system is on equilibrium temperature point, with the stable output of acquisition optical microcavity coupled system.
2. the coupled structure of a temperature modulation optical microcavity coupled system comprises optical microcavity (1), coupling mechanism (2) and packaging body (3), it is characterized in that: also be included in coupled systemes and unify the microheater of side (5); Described packaging body is solidified by the optical clear encapsulating material and constitutes, and whole optical microcavity, coupling mechanism and microheater are inclusive in the packaging body; Described microheater connects lead (4), and lead is drawn outside the packaging body.
3. the coupled structure of temperature modulation optical microcavity coupled system according to claim 2 is characterized in that: described microheater connects attemperating unit (6) by lead, and is controlled the size of the thermal value of microheater by attemperating unit.
CN2010102430504A 2010-07-27 2010-07-27 Method for realizing output of optical microcavity coupling system by temperature modulation and coupling structure thereof Expired - Fee Related CN101957479B (en)

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CN103245639A (en) * 2013-04-22 2013-08-14 中国科学院苏州生物医学工程技术研究所 WGM (Whispering Gallery Mode) system silicon-based optomagnetic biosensor
CN104635301B (en) * 2015-02-11 2018-01-12 中北大学 The encapsulating structure and method for packing of high q-factor optical microcavity coupling system based on LTCC
CN105098575A (en) * 2015-07-22 2015-11-25 南京邮电大学 Narrow-band fiber laser for mixed medium microcavity full-optical tuning
CN106549295B (en) * 2017-01-24 2019-02-26 厦门大学 A kind of encapsulating structure and method of optical resonator coupled system
CN108646350B (en) * 2018-03-30 2019-10-25 中国科学技术大学 Mechanical vibrator microcavity coupling body and the optical circulators for using it
CN115421343B (en) * 2022-08-17 2023-06-27 北京大学长三角光电科学研究院 Optical micro-disc cavity packaging structure and packaging method, electronic equipment and storage medium

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CN1729599A (en) * 2002-12-18 2006-02-01 罗斯蒙德公司 Tunable optical filter
CN1848556A (en) * 2005-03-03 2006-10-18 日本电气株式会社 Tunable laser, optical module, and control method thereof
CN101202409A (en) * 2007-11-26 2008-06-18 北京交通大学 Separate linetype cavity wavelength interval tunable single polarization dual wavelength optical fibre grating laser
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