CN1186688C - Parallel photon logic and gate device based on bacterial rhodopsin molecular material - Google Patents
Parallel photon logic and gate device based on bacterial rhodopsin molecular material Download PDFInfo
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Abstract
The present invention discloses a photon logic AND gate device made of bacterial rhodopsin materials, which comprises a signal light source, a signal extender lens, a signal filter, a signal collimating mirror, a first half-reverse semitransparent lens, a first electrical addressing space light modulator, a signal imaging lens, a second half-reverse semitransparent lens, a bacterial rhodopsin molecular film device, a first narrow band total reflector, an output imaging lens, a second narrow band total reflector, a third narrow band total reflector, a signal imaging lens, a second electrical addressing space light modulator, a fourth narrow band total reflector, a modulation collimating mirror, a modulation filter, a modulation extender lens, a modulation light source and a bottom plate. The bacterial rhodopsin is photosensitization protein molecules which are from cell membranes of halophilic bacteria, the bacterial rhodopsin has the advantages of strong reproductive capacity, no limitation of material sources, high resolution rate, high response speed, high contrast degree, high photosensitivity, many times of periodic duty, low material cost, etc., and the requirements for the existing super high density information storage and the existing large-capacity information handling can be satisfied.
Description
Technical field
The invention belongs to information laser technology, material science and areas of information technology, relate to a kind of method for optical information processing design of novel biomaterial, particularly a kind of parallel optical logic and door gear based on the bacteria rhodopsin molecular material.
Background technology
Quantity of information grows with each passing day at present, and so how effectively and apace handling and store huge quantity of information has become current urgent problem.The development of informationized society be unable to do without the high performance information processing technology, simultaneously the information processing technology also be always most important in the infotech also be one of part with fastest developing speed.And existing information processing medium (as semiconductor memory, disk, CD, tape etc.), owing to the performance of self material is very limited (also more and more higher with the requirement of the growth that closes on the limit, silicon single crystal and doping process as the optical semiconductor lithography.While, element spacing was constantly dwindled, and interelement interference is on the rise along with integrated level improves constantly, and heat dissipation problem also is difficult to solve).Therefore, people replace present silicon chip at the new material of urgent searching.Since this century the eighties, it is found that some biomolecule has the function of excellent photochromic, high speed optoelectronic response and switch storage and self-assembly and self-organization, can satisfy the demand of high speed, the parallel processing of high capacity deposit data information from now on, thereby rise the upsurge of biomolecular device and Biotic molecule computer research in the world.Halophiles purple membrane photosensitive protein-bacteria rhodopsin (Bacteriorhodopsin is called for short bacteriorhodopsin,BR or BR) is exactly an outstanding representative wherein.
Bacteria rhodopsin be wild Halophiles (Halobacterium, halobium) the two-dimentional crystallization that forms naturally on the cell membrane---purple membrane (and Purple membrane, PM) in unique protein ingredient, molecular weight is about 26000.It is organized in salinity than surviving in the high sabkha more than 6 times of seawater, comprise protein in the purple membrane---bacteria rhodopsin and phosphatide matrix (protein: phosphatide=3: 1), and formation has the trimer of quasicrystal structures, this trimer has the proton pump function of striding film transportation proton in bacterial cell, by absorbing photon, bacteria rhodopsin can be converted into the photopia state from the dark adatpation state, and cause a light cyclic process that has many intermediate states (bR-K-M-N-O-P-bR), stride membranous sub-gradient thereby produce, finish proton and transmit, luminous energy is converted into chemical energy phosphate and ADP are synthesized energy matter ATP from the film of striding of tenuigenin side (Cytoplasmic) to the cell outside (Extracellular).Bacteria rhodopsin for perpendicular to the polypeptide rod that contains 7 α spirals of surface of cell membrane, the polypeptide key strides across film, its C end is in film, N hold outside film, proton is finished by schiff bases and is striden film and transmit.Molecule film by the BR material preparation is unique crystallization biological membrane of finding at present, it has unique optical drive proton pump and suitable anti-switching function, and bistable state and rapid photoelectric response characteristic, particularly its good photochromic properties are in the dark tool Development Prospect of optical storage field.
As a kind of novel molecule optical information material, BR has the unrivaled advantage of many other storage mediums: (1) can be assembled into molecular device, thereby can realize vast capacity information processing needs; (2) utilize photochromic characteristic between the different intermediate states of BR molecule, can obtain multiple information processing performance, thereby serve many purposes.The light cycle index of BR can reach 10 simultaneously
7Inferior, access times are close to infinitely repeatedly.(3) by different biological and chemical group of molecules packing techniques,, the molecules film of different molecular spread pattern can be obtained, the molecule arranging structure of various needs can be obtained as LB membrane technology, electro-deposition techniques etc.(4) by engineered dna modification and material biology, chemical modification, can change its some photochemical properties according to people's will, as prolong some intermediate state life-span, make a certain intermediate state become structure (as 9-cis) of stable state or the like.Make us obtain better material behavior, so that be suitable for the application of different occasions.(5) the BR molecular film can carry out mixing of special process with high molecular polymer, thereby is strengthened greatly at aspects such as optical homogeneity, molecule arranging structure and physical strengths, uses thereby be more suitable for coml.(6) the BR material is taken from nature salt Tanaka's Halophiles, draws materials easily, be easy to a large amount of breedings simultaneously and cultivate, so cost is very cheap, has important commercial and is worth.(7) the BR material has fabulous stability, and for example at 140 ℃ high temperature, desiccation and pH value are a kind of ideal engineering materials near still biologically active and photolytic activity under 0 the environment; (8) the BR material is the natural bacteria bioprotein, and its use can not cause damage and pollute nature and people, is the optical function material of a kind of pure " green ", meets the requirement of human kind sustainable development.
Through the data-searching that the applicant carried out, data related to the present invention has following document:
A. bacteria rhodopsin is used for the research of photon logic gates, Feng Xiaoqiang, Chen Feng, Hou Xun, photon journal, 2001,30 (1): 1～5.
B. the experimental study of bacteriorhodopsin,BR photon logic gates, Feng Xiaoqiang, Chen Feng, Yang Qing, Yang Wenzheng, Hou Xun, photon journal, 2000,29 (z1), 274～278.
c.Applications of light-sensitive protein bR film to photonic logicgates
Zhang，Tianhao(Nankai Univ)；
Zhang，Chunping；
Fu，Guanghua；
Zhang，Guangyin；
Li，Yudong；
Wang Song，Q.；
Parsons，Bruce；
Birge， Robert R.Source；Hongwai Yu Haomibo Xuebao/Journal of Infrared andMillimeter Waves，v 18，n 2，Apr，1999，p 177-182。
d.Bacteriorhodopsin based photonic logic gate and its applicationsto grey level image subtraction
Gu，Li-Qun(Nankai Univ)；
Zhang， Chun-Ping；
Niu，An-Fu；
Li，Jia；
Zhang，Guang-Yin；
Wang，Yong-Mei；
Tong， Ming-Rong；
Pan，Ji-Lun；
Song，Q.Wang；
Parsons，Bruce；
Birge，Robert R.Source；Optics Communications，v 131，n 1-3，Oct 15，1996，p 25-30。
e.All-optical logic gates using bacteriorhodopsin films
Zhang， Tianhao(Nankai Univ)；
Zhang，Chunping；
Fu，Guanghua；
Li，Yudong；
Gu， Liqun；
Zhang，Guangyin；
Song，Q.Wang；
Parsons，Bruce；
Birge，Robert R. Source：Optical Engineering，v 39，n 2，Feb，2000，p 527-534。
f.All-optical logic gates with bacteriorhodopsin films
Rao， D.V.G.L.N.(Univ of Massachusetts)；
Aranda，F.J.；
Narayana Rao，D.；
Chen， Z.；
Akkara，J.A.；
Kaplan，D.L.；
Nakashima，M.Source：OpticsCommunications，v 127，n 4-6，Jun 15，1996，p 193-199。
Summary of the invention
For existing technology, the components and parts that utilize molecule to make have the function of management on molecular level, storage and transmission information, thereby broken through restriction for traditional material, make device microminiaturized more or reach higher integrated level, obtain, transmit and handle in conjunction with the information that the parallel optical information processing technology of high-speed high capacity will be beneficial to realization magnanimity truly.The BR molecule has excellent photonics characteristic, as absorption band displacement between good stability, fast, the high quantum yield of luminscence of speed of photoresponse, excellent photochromic characteristic, very wide attitude and can carry out the molecular state operation repeatedly, be suitable for developing high performance molecule processing apparatus.The all-optical logic processing apparatus of Development of New Generation is to realize that photometry is calculated and the basis of optical information processing.
The information of light wave institute load is the important source of information.And but optical information processing has more high capacity, high-speed, information wide bandwidth multi-channel parallel or intersect characteristics such as propagation.The entrained relevant information of photon is handled too busy to get away logical operation, and its effective logical operation generally can realize that photon logic gates has become a critical component in the light information processor by the photon logic gates device.
The objective of the invention is to design a kind of photon logical AND gate device of making based on the bacteria rhodopsin molecule of biomaterial nonlinear optical effect, in order to be implemented in the new bio photosensitive medium---the information processing of the vast capacity on the bacteria rhodopsin molecular level.
To achieve these goals, the present invention has adopted the photon logical AND gate device with the bacteria rhodopsin material in structure, advantages such as the present invention has the resolution height, response speed is fast, contrast is high, luminous sensitivity is high, recycle often, production cost is low can be used on the high capacity message handler.
Bacteria rhodopsin as a kind of photo bio material have fabulous photochromic characteristic and light cycle characteristics, use that spectral range is wide, resolution is high, luminous sensitivity is high, cycle index is high, quantum efficiency is high, heat and only advantage such as chemical stability is good, material source is unrestricted, make it very big potentiality and application prospects be arranged in optical information processing and optical storage field.Based on the photochromic characteristic and the light cycle characteristics of bacteria rhodopsin molecule uniqueness, make it aspect the photon logic gates device, have some electricity or the irreplaceable advantage of optical logic gate at present.Because its spectrum usable range is wide, cycle index is high, quantum efficiency is high, make bacteria rhodopsin photon logic gates device the self-modulation function operation interval big, the life-span is long, efficient is high, good stability.Making high-resolution photon logic gates conversion equipment carry out quick multi-channel parallel to high capacity, high-resolution image information simultaneously handles.
Bacteria rhodopsin is from a kind of photosensitive protein molecule on the cell membrane of Halophiles, and Halophiles can be lived in the extremely abominable salt pan environment of nature, and fertility is very strong, makes material source unrestricted, can reduce cost of manufacture widely.
The principle of work of the photon logical AND gate device of bacteria rhodopsin material:
With the feature of door be only when two tunnel inputs are " 1 ", its logic output just is " 1 ", in other cases, exports and is " 0 ".
For realizing that this logical operation must have bias lighting to participate in, and the bias lighting role is under the situation of having only one tunnel input, can suppress the output of flashlight fully, make its logical consequence be " 0 ", and do the time spent simultaneously at two road light, be not enough to suppress fully the output of flashlight again, and make flashlight see through the output light I of BR
oSufficient intensity is arranged with presentation logic " 1 ".
Therefore Wavelength-selective is λ
1The light of (being positioned at B attitude absorption band) is as the optical wavelength of logic input, and the two is exported as logic through the light of BR device jointly simultaneously; The employing wavelength is λ
2Bias lighting I
bThe result of steering logic output.Supposing to suppress fully the required bias lighting intensity of one tunnel input is I
SM1, the bias lighting intensity that suppresses two tunnel input light fully is I
SM2Then with door operation to I
bRequirement be: I
SM1＜I
b＜I
SM2Therefore can analyze, when having only two tunnel input light actings in conjunction (the logic input is " 1 "), the output valve of logic gate just is " 1 "; Because the effect of bias lighting or do not have input, output is " 0 " under other situations.
The experimental result of table bacteria rhodopsin photon and door
| Logic function | Bias lighting (μ w) 415nm | Light input (μ w) (533nm) | The counterlogic input value | Light output (nw) 633nm | Logic output | ||
| Input A | Input B | Input 1 | Input 2 | ||||
| A+B | 32 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 2.1 | 0 | 1 | 15 | 0 | ||
| 2.1 | 0 | 1 | 0 | 15 | 0 | ||
| 2.1 | 2.1 | 1 | 1 | 390 | 1 | ||
Realize that the technical scheme of being taked with the photon logical AND gate device of bacteria rhodopsin material of the present invention is, with the photon logical AND gate device of bacteria rhodopsin material, this photon logical AND gate device comprises: signal optical source, the signal beam expanding lens, traffic filter, the signal collimating mirror, first half-reflecting half mirror, first electrical addressing spatial light modulator, the first signal imaging lens, second half-reflecting half mirror, the bacterial rhodopsin molecular membrane device, the first arrowband total reflective mirror, the output imaging lens, the second arrowband total reflective mirror, the 3rd arrowband total reflective mirror, the secondary signal imaging lens, second electrical addressing spatial light modulator, the 4th arrowband total reflective mirror, the modulation collimating mirror, modulated filter, the modulation beam expanding lens, modulated light source, base plate constitutes;
The left side of a horizontal optical axis is equipped with signal optical source on base plate, the right side is equipped with the output imaging lens, signal optical source emission monochromatic light; Optical axis direction and a horizontal optical axis that signal optical source penetrates coincide, and on the optical axis direction that signal optical source penetrates between signal optical source and the output imaging lens signal beam expanding lens, traffic filter, signal collimating mirror, first half-reflecting half mirror, first electrical addressing spatial light modulator, the first signal imaging lens, second half-reflecting half mirror, bacterial rhodopsin molecular membrane device, the first arrowband total reflective mirror are installed successively; Signal optical source institute emitted light beams is assembled the traffic filter that expands bundle, put through the place, focal position of signal beam expanding lens in the back, is become a beam diameter and the identical collimated light beam of the effective working area of first electrical addressing spatial light modulator through the signal collimating mirror again through the signal beam expanding lens, and passes through first half-reflecting half mirror; Be divided into the identical two-beam of energy by flashlight behind first half-reflecting half mirror, wherein a branch of light is propagated along former horizontal optical axis, through first electrical addressing spatial light modulator, after the modulation of first electrical addressing spatial light modulator, flashlight is transformed into the road input information light that carries logical operation, again respectively by the first signal immaging lens, second half-reflecting half mirror, the vertical imaging of the light of light path incident is penetrated behind the first arrowband total reflective mirror, output immaging lens to the bacterial rhodopsin molecular membrane device more thus; Image planes position at the output immaging lens is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device;
First electrical addressing spatial light modulator and second electrical addressing spatial light modulator can become the electric signal that introduce the outside light signal that two-dimensional space distributes, thereby the light beam from signal optical source is carried out the spatial multichannel modulation, and the quantity of its passage is by the spatial resolution decision of electrical addressing spatial light modulator itself;
The left side of another the horizontal optical axis parallel with an above-mentioned horizontal optical axis is equipped with the 4th arrowband total reflective mirror on base plate, and the right side is equipped with the 3rd arrowband total reflective mirror; First half-reflecting half mirror and the 4th arrowband total reflective mirror are installed on same the vertical optical axis, between the 4th arrowband total reflective mirror and the 3rd arrowband total reflective mirror second electrical addressing spatial light modulator, secondary signal imaging lens are installed successively;
By behind first half-reflecting half mirror, another bundle of wherein telling incides the 4th arrowband total reflective mirror through 90 ° of light path adjustment of first half-reflecting half mirror to signal optical source institute emitted light beams in process; Light is propagated along horizontal optical axis, after the modulation of second electrical addressing spatial light modulator, flashlight is transformed into another road input information light that carries logical operation respectively, again respectively by secondary signal imaging lens, and 90 ° of light path adjustment of the 3rd arrowband total reflective mirror, incide second half-reflecting half mirror, the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device thus;
The left side of three the horizontal optical axis parallel with an above-mentioned horizontal optical axis is equipped with modulated light source on base plate, and the right side is equipped with the second arrowband total reflective mirror, and the light that modulated light source is launched is monochromatic light; The first arrowband total reflective mirror and the second arrowband total reflective mirror are positioned on same the vertical optical axis, and modulation beam expanding lens, modulated filter, modulation collimating mirror are installed between the modulated light source and the second arrowband total reflective mirror successively;
The angle of the optical axis direction that the first arrowband total reflective mirror and signal optical source penetrate is 135 °, the angle of the second arrowband total reflective mirror and modulated light source optical axis direction is 45 °, the first arrowband total reflective mirror is used to reflect the light beam from light modulated, its reflection kernel wavelength is the emission wavelength of modulated light source, its bandwidth is less than 50nm, can pass through it fully from the light beam of flashlight; Modulated light source institute emitted light beams through the modulation beam expanding lens assemble the back expand the modulated filter restrainting, put through the place, focal position of ovennodulation beam expanding lens, again behind the ovennodulation collimating mirror, become a beam diameter and the identical collimated light beam of the effective working area of bacterial rhodopsin molecular membrane device equally, 90 ° of light path adjustment through the second arrowband total reflective mirror, incide 45 ° the first arrowband total reflective mirror, the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device thus;
The two paths of signals light that carries the logic input information respectively after first electrical addressing spatial light modulator and the modulation of second electrical addressing spatial light modulator and incide on the bacterial rhodopsin molecular membrane device is being arrived light modulated after the light modulated effect of the first arrowband total reflective mirror incident, calculate the result as output light through the logical and photometry of bacterial rhodopsin molecular membrane device output, behind the first arrowband total reflective mirror, output imaging lens, penetrate; Image planes position at the output imaging lens is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device.
Described signal beam expanding lens and modulation beam expanding lens are the parts of same model, traffic filter and modulated filter are the parts of same model, signal collimating mirror and modulation collimating mirror are the parts of same model, the signal imaging lens, output immaging lens and first, the secondary signal imaging lens is the parts of same model, the 3rd arrowband total reflective mirror and the 4th arrowband total reflective mirror are the parts of same model, the first arrowband total reflective mirror and the second arrowband total reflective mirror are the parts of same model, and first electrical addressing spatial light modulator and second electrical addressing spatial light modulator are the parts of same model.
Another characteristics of the present invention are, the wavelength range of choice of described signal optical source is 530nm～600nm, and the wavelength range of choice of described modulated light source is 390nm～430nm.
Description of drawings
Fig. 1 is the structural representation of the photon logical AND gate device of bacteria rhodopsin material of the present invention, also is one embodiment of the present of invention.
Fig. 2 is the structural representation of the bacterial rhodopsin molecular membrane device 9 among Fig. 1.
Embodiment
The embodiment that finishes according to technical scheme of the present invention below in conjunction with accompanying drawing and inventor is described in further detail the present invention, but the invention is not restricted to these embodiment.
Embodiment 1
Referring to Fig. 1, Fig. 1 has provided the structural representation of the photon logical AND gate device of bacteria rhodopsin material of the present invention.In Fig. 1, the photon logical AND gate device of present embodiment is by signal optical source 1, signal beam expanding lens 2, traffic filter 3, signal collimating mirror 4, first half-reflecting half mirror 5, first electrical addressing spatial light modulator 6, the first signal imaging lens 7, second half-reflecting half mirror 8, bacterial rhodopsin molecular membrane device 9, the first arrowband total reflective mirror 10, output imaging lens 11, the second arrowband total reflective mirror 12, the 3rd arrowband total reflective mirror 13, secondary signal imaging lens 14, second electrical addressing spatial light modulator 15, the 4th arrowband total reflective mirror 16, modulation collimating mirror 17, modulated filter 18, modulation beam expanding lens 19, modulated light source 20, base plate 21 constitutes.
Signal beam expanding lens 2 and modulation beam expanding lens 19 are the parts of same model, traffic filter 3 and modulated filter 18 are the parts of same model, signal collimating mirror 4 and modulation collimating mirror 17 are the parts of same model, and the first signal imaging lens 7, output immaging lens 11 and secondary signal imaging lens 14 are the parts of same model; The 3rd arrowband total reflective mirror 13 and the 4th arrowband total reflective mirror 16 are the parts of same model, and the first arrowband total reflective mirror 10 and the second arrowband total reflective mirror 12 are the parts of same model; First electrical addressing spatial light modulator 6 and second electrical addressing spatial light modulator 15 are the parts of same model.
The left side of a horizontal optical axis is equipped with signal optical source 1 on base plate 21, the right side is equipped with output imaging lens 11, and the wavelength range of choice of signal optical source 1 is 530nm～600nm, and the light that it is launched is the monochromatic light that wavelength is positioned at above-mentioned scope.Optical axis direction and a horizontal optical axis that signal optical source 1 penetrates coincide, and on the optical axis direction that signal optical source 1 penetrates between signal optical source 1 and the output imaging lens 11 signal beam expanding lens 2, traffic filter 3, signal collimating mirror 4, first half-reflecting half mirror 5, first electrical addressing spatial light modulator 6, the first signal imaging lens 7, second half-reflecting half mirror 8, bacterial rhodopsin molecular membrane device 9, the first arrowband total reflective mirror 10 are installed successively.
1 emitted light beams of signal optical source is assembled the traffic filter 3 that expands bundle, put through the place, focal position of signal beam expanding lens 2 in the back, is become a beam diameter and the identical collimated light beam of first electrical addressing spatial light modulator, 6 effective working areas through signal collimating mirror 4 again through signal beam expanding lens 2, and passes through first half-reflecting half mirror 5; Be divided into the identical two-beam of energy by first half-reflecting half mirror, 5 back flashlights, wherein a branch of light is propagated along former horizontal optical axis, through first electrical addressing spatial light modulator 6, after 6 modulation of first electrical addressing spatial light modulator, flashlight is transformed into the road input information light that carries logical operation, again respectively by the first signal immaging lens 7, second half-reflecting half mirror 8, the vertical imaging of the light of light path incident is penetrated behind the first arrowband total reflective mirror 10, output immaging lens 11 to bacterial rhodopsin molecular membrane device 9 more thus.Image planes position at output immaging lens 11 is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device.
First electrical addressing spatial light modulator 6 and second electrical addressing spatial light modulator 15 can become the electric signal that introduce the outside light signal that two-dimensional space distributes, thereby the light beam from signal optical source is carried out the spatial multichannel modulation, the quantity of its passage is by the spatial resolution decision of electrical addressing spatial light modulator itself, and it also determines the port number of two-dimentional light logic operation of the present invention.
The left side of another the horizontal optical axis parallel with an above-mentioned horizontal optical axis is equipped with the 4th arrowband total reflective mirror 16 on base plate 21, and the right side is equipped with the 3rd arrowband total reflective mirror 13.First half-reflecting half mirror 5 and the 4th arrowband total reflective mirror 16 are installed on same the vertical optical axis, between the 4th arrowband total reflective mirror 16 and the 3rd arrowband total reflective mirror 13 second electrical addressing spatial light modulator 15, secondary signal imaging lens 14 are installed successively.
1 emitted light beams of signal optical source is after process is passed through half-reflecting half mirror 5, another bundle of wherein telling is through 90 ° of light path adjustment of first half-reflecting half mirror 5, incide the 4th arrowband total reflective mirror 16, light is propagated along horizontal optical axis, after 15 modulation of second electrical addressing spatial light modulator, flashlight is transformed into another road input information light that carries logical operation respectively, again respectively by secondary signal imaging lens 14, and 90 ° of light path adjustment of the 3rd arrowband total reflective mirror 13, incide second half-reflecting half mirror 8, the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device 9 thus.
The left side of three the horizontal optical axis parallel with an above-mentioned horizontal optical axis is equipped with modulated light source 20 on base plate 21, the right side is equipped with the second arrowband total reflective mirror 12, the wavelength range of choice of modulated light source 20 is 390～430nm, and the light that it is launched is the monochromatic light that wavelength is positioned at above-mentioned scope.On the first arrowband total reflective mirror 10 and 12 same vertical optical axis of the second arrowband total reflective mirror, modulation beam expanding lens 19, modulated filter 18, modulation collimating mirror 17 are installed successively between modulated light source 20 and arrowband second total reflective mirror 12.
The first arrowband total reflective mirror 10 is 135 ° with the angle of the optical axis direction that signal optical source penetrates, and the second arrowband total reflective mirror 12 is 45 ° with the angle of modulated light source 20 optical axis directions.The first arrowband total reflective mirror 10 is used to reflect the light beam from light modulated, and its reflection kernel wavelength is the emission wavelength of modulated light source, and its bandwidth is less than 50nm, can pass through it fully from the light beam of flashlight, and not have optical energy loss.20 emitted light beams of modulated light source through modulation beam expanding lens 19 assemble the back expand the modulated filter 18 restrainting, put through the place, focal position of ovennodulation beam expanding lens 19, again behind ovennodulation collimating mirror 17, become a beam diameter and the identical collimated light beam of bacterial rhodopsin molecular membrane device 9 effective working areas equally, 90 ° of light path adjustment through the second arrowband total reflective mirror 12, incide 45 ° of first arrowband total reflective mirror 10, the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device 9 thus.
The two paths of signals light that carries the logic input information respectively after electrical addressing spatial light modulator 6 and electrical addressing spatial light modulator 15 modulation and incide on the bacterial rhodopsin molecular membrane device 9 is being arrived light modulated after the light modulated effect of the first arrowband total reflective mirror, 10 incidents, calculates the result through the logical and photometry of bacterial rhodopsin molecular membrane device 9 outputs and penetrates behind the first arrowband total reflective mirror 10, output imaging lens 11 as output light.Image planes position at output imaging lens 11 is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device.
Embodiment 2
Referring to Fig. 2, symbol among Fig. 2 is expressed as respectively: anti-reflection film 22, glass substrate 23 (material is quartz glass or optical glass), bacterial rhodopsin molecular membrane 24, glass substrate 25 (material is quartz glass or optical glass), anti-reflection film 26, metal clamping ring 27 (material is aluminium, copper or stainless steel etc.), operation material is a bacterial rhodopsin molecular membrane 24, is clipped between glass substrate 23 and the glass substrate 25.Glass substrate plays a part to support and protection bacterial rhodopsin molecular membrane 24; Anti-reflection film 22 (claiming antireflecting film again), acting on anti-reflection film 26 (claiming antireflecting film again) is the loss that reduces the light energy output that causes owing to the glass substrate surface reflection.
(anti-reflection optical wavelength range 350nm～650nm adopts vacuum deposition method to anti-reflection film 22, can adopt magnesium fluoride MgF
21～6 layer, or zirconia (or titanium dioxide) and monox 4～8 tunics); (claim antireflecting film again, anti-reflection optical wavelength range 350nm～650nm adopts vacuum deposition method to anti-reflection film 26, can adopt magnesium fluoride MgF
21～6 layer, or zirconia (or titanium dioxide) and monox 4～8 tunics)).
In Fig. 2, the angle of the optical axis direction that the first arrowband total reflective mirror 10 and the signal optical source of present embodiment penetrates is 30 °, and the second arrowband total reflective mirror 12 is 150 ° with the angle of the optical axis direction that signal optical source penetrates.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 3:
In Fig. 2, second half-reflecting half mirror 8 of present embodiment is 60 ° with the angle of the optical axis direction that signal optical source penetrates, and the 3rd arrowband total reflective mirror 13 is 120 ° with the angle of the optical axis direction that penetrates with signal optical source.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 4:
In Fig. 2, the angle of the optical axis direction that the first arrowband total reflective mirror 10 and the signal optical source of present embodiment penetrates is 60 °, and the second arrowband total reflective mirror 12 is 120 ° with the angle of modulated light source 20 optical axis directions.The connecting relation of other parts and parts is identical with embodiment 1.
High-resolution photon logical AND gate device with the bacteria rhodopsin material of the present invention, has the resolution height, response speed is fast, the contrast height, the luminous sensitivity height, recycle often, many-sided advantage such as the cost of material is low can satisfy the needs of present Ultrahigh-Density Data Storage and high capacity information processing.
Claims (3)
1. parallel optical logic and door gear based on a bacteria rhodopsin molecular material, it is characterized in that this photon logical AND gate device comprises: signal optical source (1), signal beam expanding lens (2), traffic filter (3), signal collimating mirror (4), first half-reflecting half mirror (5), first electrical addressing spatial light modulator (6), the first signal imaging lens (7), second half-reflecting half mirror (8), bacterial rhodopsin molecular membrane device (9), the first arrowband total reflective mirror (10), output imaging lens (11), the second arrowband total reflective mirror (12), the 3rd arrowband total reflective mirror (13), secondary signal imaging lens (14), second electrical addressing spatial light modulator (15), the 4th arrowband total reflective mirror (16), modulation collimating mirror (17), modulated filter (18), modulation beam expanding lens (19), modulated light source (20), base plate (21) constitutes;
Signal optical source (1), right side are installed in the left side of the last horizontal optical axis of base plate (21) output imaging lens (11) is installed, signal optical source (1) emission monochromatic light; Optical axis direction and a horizontal optical axis that signal optical source (1) penetrates coincide, and on the optical axis direction that signal optical source (1) penetrates between signal optical source (1) and the output imaging lens (11) signal beam expanding lens (2), traffic filter (3), signal collimating mirror (4), first half-reflecting half mirror (5), first electrical addressing spatial light modulator (6), the first signal imaging lens (7), second half-reflecting half mirror (8), bacterial rhodopsin molecular membrane device (9), the first arrowband total reflective mirror (10) are installed successively; Signal optical source (1) institute emitted light beams is assembled the traffic filter (3) that expands bundle, put through the place, focal position of signal beam expanding lens (2) in the back, is passed through signal collimating mirror (4) again and become a beam diameter and the effective identical collimated light beam of working area of first electrical addressing spatial light modulator (6) through signal beam expanding lens (2), and passes through first half-reflecting half mirror (5); Be divided into the identical two-beam of energy by first half-reflecting half mirror (5) back flashlight, wherein a branch of light is propagated along former horizontal optical axis, through first electrical addressing spatial light modulator (6), after first electrical addressing spatial light modulator (6) modulation, flashlight is transformed into the road input information light that carries logical operation, again respectively by the first signal immaging lens (7), second half-reflecting half mirror (8), the vertical imaging of the light of light path incident is penetrated behind the first arrowband total reflective mirror (10), output immaging lens (11) to bacterial rhodopsin molecular membrane device (9) more thus; Image planes position at output immaging lens (11) is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device;
First electrical addressing spatial light modulator (6) and second electrical addressing spatial light modulator (15) can become the electric signal that introduce the outside light signal that two-dimensional space distributes, thereby the light beam from signal optical source is carried out the spatial multichannel modulation, and the quantity of its passage is by the spatial resolution decision of electrical addressing spatial light modulator itself;
The left side of going up another the horizontal optical axis parallel with an above-mentioned horizontal optical axis at base plate (21) is equipped with the 4th arrowband total reflective mirror (16), and the right side is equipped with the 3rd arrowband total reflective mirror (13); First half-reflecting half mirror (5) and the 4th arrowband total reflective mirror (16) are installed on same the vertical optical axis, between the 4th arrowband total reflective mirror (16) and the 3rd arrowband total reflective mirror (13) second electrical addressing spatial light modulator (15), secondary signal imaging lens (14) are installed successively;
By behind first half-reflecting half mirror (5), another bundle of wherein telling incides the 4th arrowband total reflective mirror (16) through 90 ° of light path adjustment of first half-reflecting half mirror (5) to signal optical source (1) institute emitted light beams in process; Light is propagated along horizontal optical axis, after second electrical addressing spatial light modulator (15) modulation, flashlight is transformed into another road input information light that carries logical operation respectively, again respectively by secondary signal imaging lens (14), and 90 ° of light path adjustment of the 3rd arrowband total reflective mirror (13), incide second half-reflecting half mirror (8), the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device (9) thus;
The left side of going up three the horizontal optical axis parallel with an above-mentioned horizontal optical axis at base plate (21) is equipped with modulated light source (20), and the right side is equipped with the second arrowband total reflective mirror (12), and the light that modulated light source (20) is launched is monochromatic light; The first arrowband total reflective mirror (10) and the second arrowband total reflective mirror (12) are positioned on same the vertical optical axis, and modulation beam expanding lens (19), modulated filter (18), modulation collimating mirror (17) are installed between the modulated light source (20) and the second arrowband total reflective mirror (12) successively;
The first arrowband total reflective mirror (10) is 135 ° with the angle of the optical axis direction that signal optical source penetrates, the second arrowband total reflective mirror (12) is 45 ° with the angle of modulated light source (20) optical axis direction, the first arrowband total reflective mirror (10) is used to reflect the light beam from light modulated, its reflection kernel wavelength is the emission wavelength of modulated light source, its bandwidth is less than 50nm, can pass through it fully from the light beam of flashlight; Modulated light source (20) institute emitted light beams through modulation beam expanding lens (19) assemble the back expand the modulated filter (18) restrainting, put through the place, focal position of ovennodulation beam expanding lens (19), again behind ovennodulation collimating mirror (17), become a beam diameter and the effective identical collimated light beam of working area of bacterial rhodopsin molecular membrane device (9) equally, 90 ° of light path adjustment through the second arrowband total reflective mirror (12), incide 45 ° the first arrowband total reflective mirror (10), the light of light path incident vertically is imaged onto on the bacterial rhodopsin molecular membrane device (9) thus;
The two paths of signals light that carries the logic input information respectively after first electrical addressing spatial light modulator (6) and second electrical addressing spatial light modulator (15) modulation and incide on the bacterial rhodopsin molecular membrane device (9) is being arrived light modulated after the light modulated effect of first arrowband total reflective mirror (10) incident, calculate the result as output light through the logical and photometry of bacterial rhodopsin molecular membrane device (9) output, behind the first arrowband total reflective mirror (10), output imaging lens (11), penetrate; Image planes position at output imaging lens (11) is an interface position, i.e. the output face of this bacteria rhodopsin photon logical AND gate device.
2. the photon logical AND gate device of bacteria rhodopsin material according to claim 1, it is characterized in that, the wavelength range of choice of described signal optical source (1) is 530nm～600nm, and the wavelength range of choice of described modulated light source (20) is 390nm～430nm.
3. the photon logical AND gate device of bacteria rhodopsin material according to claim 1, it is characterized in that, described signal beam expanding lens (2) and modulation beam expanding lens (19) are the parts of same model, traffic filter (3) and modulated filter (18) are the parts of same model, signal collimating mirror (4) and modulation collimating mirror (17) are the parts of same model, the first signal imaging lens (7), output immaging lens (11) and secondary signal imaging lens (14) are the parts of same model, the 3rd arrowband total reflective mirror (13) and the 4th arrowband total reflective mirror (16) are the parts of same model, the first arrowband total reflective mirror (10) and the second arrowband total reflective mirror (12) are the parts of same model, and first electrical addressing spatial light modulator (6) and second electrical addressing spatial light modulator (15) are the parts of same model.
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