Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present inventionFormula is described in further detail.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of optical module provided in an embodiment of the present invention.The optical module 100 canTo include:
Fibre ribbon 101, and the silicon optical chip 102 being of coupled connections with one end of the fibre ribbon 101.
For the clearer relationship finding out the fibre ribbon in optical module 100 101 and silicon optical chip 102 and being of coupled connections, askIt is the effect picture that the fibre ribbon in optical module shown in fig. 1 is connect with silicon optical chip with reference to Fig. 2, Fig. 2, on the silicon optical chip 102It is provided with connection waveguide 1021, one end of the connection waveguide 1021 is connect with the first optical fiber 1011 in fibre ribbon 101, the connectionThe other end of waveguide 1021 is connect with the second optical fiber 1012 in optical fiber 101.
It in embodiments of the present invention,, can should when being detected to the optical module 100 before the optical module 100 factoryOptical module 100 is connected on detection device.It is exemplary, as shown in figure 3, Fig. 3 is a kind of optical module provided in an embodiment of the present inventionThe effect picture connecting with detection device, detection device 200 can be by connecting, to realize and light with the other end of fibre ribbon 101The connection of module 100.
The detection device 200 is used to send the first optical signal to the first optical fiber 1011, receives the transmission of the second optical fiber 1012First optical signal.Exemplary, the first optical signal transmitted in first optical fiber 1011 can be sent to by connecting waveguide 1021Second optical fiber 1012 so that detection device 200 can send the first optical signal to the first optical fiber 1011, and passes through the second lightFibre 1012 receives the first optical signal.
The detection device 200 is also used to: based on the first optical signal and the second optical fiber 1012 transmitted in the first optical fiber 1011First optical signal of middle transmission, determines whether silicon optical chip 102 and being of coupled connections for fibre ribbon 101 meet the requirements.
In embodiments of the present invention, detection device 200 can send the first optical signal, first light to the first optical fiber 1011After signal passes through the connection waveguide 1021 being arranged on silicon optical chip 102, detection device 200 is fed back to by the second optical fiber 1012,Enable that detection device 200 will transmit in the first optical signal transmitted in first optical fiber 1011 and the second optical fiber 1012 firstOptical signal is compared, so that it is determined that whether silicon optical chip 102 and being of coupled connections for fibre ribbon 101 meet the requirements out.
In conclusion optical module provided in an embodiment of the present invention, comprising: fibre ribbon, and one end coupling with the fibre ribbonClose the silicon optical chip of connection.It is provided with connection waveguide on the silicon optical chip, first in one end and fibre ribbon of the connection waveguideOptical fiber connects, the second optical fiber connection in the other end and optical fiber of the connection waveguide.When needing to detect the optical module,It only needs for the optical module to be connected on detection device, which can send the first light letter to the first optical fiber of fibre ribbonNumber, after which passes through the connection waveguide being arranged on silicon optical chip, inspection is fed back to by the second optical fiber in fibre ribbonMeasurement equipment enables detection device to believe the first optical signal transmitted in the first optical fiber and the first light transmitted in the second optical fiberIt number is compared, so that it is determined that whether silicon optical chip and being of coupled connections for fibre ribbon meet the requirements out.Without by optical module applicationIn real work scene, whether can be worked normally by detecting it and determine silicon optical chip and being of coupled connections for fibre ribbon isIt is no to meet the requirements, effectively simplify the process detected to optical module.
In embodiments of the present invention, the connection waveguide 1021 on silicon optical chip 102 can exist when transmitting the first optical signalThe phenomenon that loss, therefore, the optical power of the first optical signal transmitted in the first optical fiber 1011 in fibre ribbon 101, it will usually bigThe optical power of the first optical signal transmitted in the second optical fiber 1012.Detection device 200 can be by the second optical fiber 1012The optical power of the first optical signal transmitted in the optical power of first optical signal of transmission and the first optical fiber 1011 is compared, thusDetermine whether silicon optical chip and being of coupled connections for fibre ribbon meet the requirements.
Illustratively, which is used for: the optical power of the first optical signal transmitted in the first optical fiber 1011 of detectionWhether the difference with the optical power of the first optical signal transmitted in the second optical fiber 1012 is in reference optical power；Detecting the lightAfter the difference of power is in reference optical power, determine that silicon optical chip 102 and being of coupled connections for fibre ribbon 101 are met the requirements；It is examiningAfter the difference of the optical power is measured not in reference optical power, determine that being of coupled connections for silicon optical chip 102 and fibre ribbon 101 is discontentedFoot requires.
In embodiments of the present invention, the optical power and the second optical fiber 1012 of the first optical signal transmitted in the first optical fiber 1011The difference of the optical power of first optical signal of middle transmission refers to: the loss that connection waveguide 1021 is generated when transmitting the first optical signalPower, if the loss power in reference optical power, illustrates that silicon optical chip 102 and being of coupled connections for fibre ribbon 101 are met the requirements；If the loss power not in reference optical power, illustrates that silicon optical chip 102 and being of coupled connections for fibre ribbon 101 are unsatisfactory for requiring.
Optionally, referring to FIG. 4, Fig. 4 is the structural schematic diagram of another optical module provided in an embodiment of the present invention, the lightModule 100 can also include optical fiber interface 103, and one end of fibre ribbon 101 can pass through the fibre-optical splice 103 and silicon optical chip102 are of coupled connections.The optical module 100 can also include optical interface 104, and the other end of fibre ribbon 101 can be with the optical interface 104Connection.In embodiments of the present invention, detection device 200 can be connect with the optical interface 104 of the optical module 100.
It should be noted that fibre ribbon 101 is made of multifiber merging, referring to FIG. 5, Fig. 5 is that Fig. 4 is shownThe effect picture that fibre ribbon in optical module is connect with silicon optical chip.Fibre-optical splice 103 has and the multifiber in fibre ribbon 101The joint structure 103a, each joint structure 103a to connect one to one can be of coupled connections with silicon optical chip 102.
Multiple connection waveguides 1021 are provided on silicon optical chip 102 in the optical module 100.Light in the optical module 100Fibre ribbons 101 may include: more first optical fiber 1011 to connect one to one with one end of multiple connection waveguides 1021, and,More second optical fiber 1012 to connect one to one with the other end of multiple connection waveguides 1021.
At this point, detection device 200 can send the first optical signal to more first optical fiber 1011 simultaneously, more second are receivedThe first optical signal that optical fiber 1012 transmits, and to the first optical signal and more second optical fiber of the transmission of more first optical fiber 1011First optical signals of 1012 transmission are compared, the coupling for determining silicon optical chip 102 and fibre ribbon 101 that can be more accurateWhether connection meets the requirements.
In embodiments of the present invention, multiple connection waveguides 1021 and multiple reference optical powers are stored in detection device 200Corresponding relationship.Exemplary, the designer of optical module can be determined and be somebody's turn to do by the length of each connection waveguide 1021Connect the corresponding reference optical power of waveguide 1021, and the inspection that the corresponding reference optical power of each connection waveguide 1021 is storedIn measurement equipment 200.
When being provided with multiple connection waveguides 1021 on silicon optical chip 102, which is also used to: in detection theThe optical power of the first optical signal transmitted in the optical power of the first optical signal transmitted in one optical fiber 1011 and the second optical fiber 1012Difference whether in reference optical power before, it is determining with the first optical fiber based on the corresponding relationship stored in the detection device 200The corresponding reference optical power of connection waveguide 1021 of 1011 connections.It is subsequent can be by the reference optical power determined, detection theThe optical power of the first optical signal transmitted in the optical power of the first optical signal transmitted in one optical fiber 1011 and the second optical fiber 1012Difference whether in reference optical power, to realize to whether silicon optical chip 102 and being of coupled connections for fibre ribbon 101 meetIt is required that detection.
Optionally, as shown in fig. 6, Fig. 6 is the another kind that the fibre ribbon in optical module shown in Fig. 4 is connect with silicon optical chipEffect picture is additionally provided with the first coupled waveguide group 1022 and the second coupled waveguide group 1023 on the silicon optical chip 102, first couplingMultiplex leads group 1022 and is of coupled connections with fibre ribbon 101 with the second coupled waveguide group 1023.It is exemplary, the first coupled waveguide group1022 and second coupled waveguide group 1023 all have waveguiding structure, waveguiding structure and the second coupling in the first coupled waveguide group 1022Multiplex leads the waveguiding structure in group 1023, can connect with the joint structure 103a in fibre-optical splice 103, to realize silicon lightChip 102 is of coupled connections with fibre ribbon 101.
The first coupled waveguide group 1022 includes: the first wave guide for the first optical signal to be sent to silicon optical chip1022a；The second coupled waveguide group 1023 includes: that the second waveguide of the first optical signal is issued for receiving silicon optical chip 1021023a.One end of first wave guide 1022a is connect with the first optical fiber 1011, the other end and silicon light core of first wave guide 1022aOne end connection for the connection waveguide 1021 being arranged on piece 102.One end of second waveguide 1023a is connect with the second optical fiber 1012,The other end for the connection waveguide 1021 being arranged on the other end and silicon optical chip 102 of second waveguide 1023a connects.
In embodiments of the present invention, the first optical signal of the first optical fiber 1011 transmission can successively pass through first wave guideAfter 1022a, connection waveguide 1021 and second waveguide 1023a, it is transmitted to the second optical fiber 1012.
Optionally, which can also include: for the second optical signal to be sent to silicon optical chipThird waveguide 1021b, fibre ribbon 101 can also include: the third optical fiber 1013 connecting with third waveguide 1021b.In this hairIn bright embodiment, the second optical signal that third optical fiber 1013 can be transmitted is sent to silicon light core by third waveguide 1021bPiece 102 enables the silicon optical chip 102 to connect second optical signal and is adjusted to electric signal.
The second coupled waveguide group 1022 may also include that third optical signal after the adjustment for receiving the transmission of silicon optical chip4th waveguide 1022b, fibre ribbon 101 can also include: the 4th optical fiber 1014 connecting with the 4th waveguide 1022b.In the present inventionIn embodiment, silicon optical chip 102 can receive electric signal, and after the electric signal capable of being modulated to third optical signal, be sent to4th waveguide 1022b, the 4th optical fiber 104 can transmit the received third optical signal of the 4th waveguide 1022b.
It is exemplary, can be set on silicon optical chip 102 there are two connect waveguide 1021.Be arranged on silicon optical chip 102One coupled waveguide group 1022 may include: two first wave guides that the one end for connecting waveguide 1021 with two connects one to oneThe third waveguide 1022b of 1022a and multiple array arrangements；The second connection waveguide group 1023 being arranged on silicon optical chip 102 canTo include: two second waveguide 1023a and multiple arrays that the other end for connecting waveguide 1021 with two connects one to one4th waveguide 1023b of arrangement.
At this point, fibre ribbon 101 may include: two first optical fiber to connect one to one with two first wave guide 1022a1011, two second optical fiber 1012 to connect one to one with two second waveguide 1022a connect with multiple third waveguide 1022bThe more third optical fiber 1013 connect, and, more 4th optical fiber 1014 being connect with multiple 4th waveguide 1022b.For example, this is moreA third waveguide 1022b connects one to one with more third optical fiber 1013, multiple 4th waveguide 1023b with mostly with the 4th lightFibre 1014 connects one to one.
In embodiments of the present invention, multiple third waveguide 1022b are located between two first wave guide 1022a, and multiple fourWaveguide 1023b is located between two second waveguide 1023a.Since multiple third waveguide 1022b and multiple 4th waveguide 1023b are equalIt is array arrangement, and multiple third waveguide 1022b is located between two first wave guide 1022a, multiple 4th waveguide1023b is located between two second waveguide 1023a, therefore, need to only detect two first wave guide 1022a and two first lightIt, can be true after the connection of fibre 1011 and the connection of two second waveguide 1022a and two the second optical fiber 1012 are all satisfied requirementMake multiple third waveguide 1022b and connect with more third optical fiber 1013 and met the requirements, and, multiple 4th waveguide 1023b withMore 4th optical fiber 1014 connections are also met the requirements.It that is to say, fibre ribbon 101 and the satisfaction that is of coupled connections of silicon optical chip 102 are wantedIt asks.
Optionally, close to the first wave guide 1022a of the second coupled waveguide group 1023 in the first coupled waveguide group 1022, with theClose to the second waveguide 1023a of the first coupled waveguide group 1022 in two coupled waveguide groups 1023, pass through a connection waveguide 1021Connection；The first wave guide 1022a for deviating from the second coupled waveguide group 1023 in first coupled waveguide group 1022, with the second coupled waveguideThe second waveguide 1023a for deviating from the first coupled waveguide group 1022 in group 1023 is connected by another connection waveguide 1021.NamelyIt is, as shown in fig. 6, first wave guide a1 and second waveguide b1 passes through connection waveguide c1 connection；First wave guide a2 and second waveguide b2By connecting waveguide c2 connection.
Optionally, as shown in figure 4, the optical module 100 can also include: laser box 105, circuit board 106 and the 5th optical fiber107.Silicon optical chip 102 can be set on circuit board 106.Pass through the 5th optical fiber between laser box 105 and silicon optical chip 102107 connections.The laser box 105 is used to provide light source when realizing electro-optic conversion for silicon optical chip 102.
Exemplary, which is used for: receiving the light that laser box 105 issues, the light tune that laser box 105 is issuedAfter being made as third optical signal, exported from fibre ribbon 101.For example, the telecommunications that silicon optical chip 102 can be provided with circuit board for receivingNumber, be based on the electric signal, the light modulation that laser box 105 is issued be third optical signal after, from the 4th optical fiber in fibre ribbon 1011014 outputs, to realize the light emitting of optical module 100.
Exemplary, which is used for: the second optical signal that reception optical fiber band 101 is sent, by second optical signalAfter being demodulated into electric signal, it is sent to circuit board 106.For example, the optical chip 102 can receive the third light from fibre ribbon 101Second optical signal of 1013 input of fibre, and by second optical signal demodulation to be sent to circuit board 106 after electric signal, thus realThe light-receiving of existing optical module.
In conclusion optical module provided in an embodiment of the present invention, comprising: fibre ribbon, and one end coupling with the fibre ribbonClose the silicon optical chip of connection.It is provided with connection waveguide on the silicon optical chip, first in one end and fibre ribbon of the connection waveguideOptical fiber connects, the second optical fiber connection in the other end and optical fiber of the connection waveguide.When needing to detect the optical module,It only needs for the optical module to be connected on detection device, which can send the first light letter to the first optical fiber of fibre ribbonNumber, after which passes through the connection waveguide being arranged on silicon optical chip, inspection is fed back to by the second optical fiber in fibre ribbonMeasurement equipment enables detection device to believe the first optical signal transmitted in the first optical fiber and the first light transmitted in the second optical fiberIt number is compared, so that it is determined that whether silicon optical chip and being of coupled connections for fibre ribbon meet the requirements out.Without by optical module applicationIn real work scene, whether can be worked normally by detecting it and determine silicon optical chip and being of coupled connections for fibre ribbon isIt is no to meet the requirements, effectively simplify the process detected to optical module.
In the present invention, term " first " and " second " are used for description purposes only, and are not understood to indicate or imply phaseTo importance.
The foregoing is merely optional embodiments of the invention, are not intended to limit the invention, all in spirit of the inventionWithin principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.