TW201842368A - Optical fiber component, optical circuit component and manufacturing for optical component - Google Patents

Abstract

The present disclosure pertains to an optical fiber component in which an optical fiber is held inside each of one or more through-holes provided in a holding member, wherein one optical fiber is fixed to each of the through-holes in a state in which an end surface of each optical fiber is disposed on an end surface of the holding member. The outer peripheral surface, excluding the end surface, of the holding member has: a first position reference part that can configure a first position reference surface separated from the center of the outer diameter of each optical fiber by a distance determined by a first rule; and a second position reference part that can configure a second position reference surface that is perpendicular to the first position reference part and separated from the center of the outer diameter of each optical fiber by a distance determined by a second rule.

Description

Optical fiber component, optical circuit component, and manufacturing method of optical circuit component

The present invention relates to an optical fiber component in which an optical fiber is connected to a waveguide provided in an optical circuit, an optical circuit component including the optical fiber component, and a method of manufacturing the optical circuit component.

A technique for positioning an optical fiber when a plurality of optical fibers are connected to an optical circuit has been proposed in the industry (for example, refer to Patent Document 1). The optical circuit of Patent Document 1 has a structure in which at least two layers are formed by alternately forming a semiconductor layer and an insulating layer, and the positions of the optical fibers are aligned by precisely forming concave portions conforming to the shapes of the optical components and the optical fibers using the layers. In order to form the concave portion in conformity with the shape of the optical fiber, the substrate material forming the optical circuit is limited to a material capable of forming an alignment groove (for example, a V-groove) with high precision. Therefore, Patent Document 1 has a problem that the substrate material defines the optical circuit. Further, Patent Document 1 has a problem that a complicated etching step is required in order to form an alignment groove. Moreover, when the optical axis alignment is performed for each optical fiber, a high-precision alignment device for centering is required, and the alignment is also time consuming. Therefore, Patent Document 1 has a problem of requiring a high-precision centering device for optical axis alignment of each optical fiber, and it takes a lot of time to adjust the centering. [Prior Art Document] [Patent Document] Patent Document 1: JP-A-2016-014766

[Problem to be Solved by the Invention] An object of the present invention is to provide a fiber optic component that does not require high-precision formation techniques in the manufacturing steps of an optical circuit, and does not require optical axis alignment for each optical fiber. [Means for Solving the Problems] In order to achieve the above object, the optical fiber component of the present invention holds the optical fibers in one or more through holes provided in the holding member, and arranges the end faces of the respective optical fibers on the end faces of the holding members. In this state, one optical fiber is fixed to each of the through holes; the outer peripheral surface of the holding member other than the end surface of the holding member has: an outer diameter center of each of the optical fibers according to the preset first rule The first position reference portion of the first position reference surface of the distance and the second position reference having a distance from the center of the outer diameter of each of the optical fibers according to the predetermined second rule and perpendicular to the first position reference surface The second position reference portion of the surface. In the optical fiber component of the present invention, it is possible that a plurality of optical fibers are fixed to each other in parallel with a plurality of through holes, and the first position reference surface is a plane having a distance equal to a distance between respective outer diameter centers of the plurality of optical fibers. In the optical fiber component of the present invention, it is possible that the end face of the holding member is inclined with respect to a cross section perpendicular to the longitudinal direction of each of the optical fibers. Further, in the optical fiber component of the present invention, it is preferable that the holding member has a peripheral surface that is disposed on the outer surface of the first position reference surface as the first position reference portion. Further, in the optical fiber component of the present invention, an adhesive accommodating portion for accommodating an adhesive may be provided on the first position reference surface. In the optical fiber component of the present invention, it is preferable that the holding member has a T shape having first and second convex portions that protrude in the first direction and the second direction, and perpendicular to the foregoing a third convex portion that protrudes in the third direction of the first direction and the second direction, and the third convex portion is housed in the concave portion, and the first convex portion and the second convex portion function as the first position reference portion. The surface connecting the first convex portion and the second convex portion functions as the first position reference surface. In the optical fiber component of the present invention, it is preferable that the holding member has a peripheral surface that is disposed on the outer surface of the second position reference surface as the second position reference portion. Further, in the optical fiber component of the present invention, it is preferable that the end surface of the holding member has a T-shape, and the T-shape has a first convex portion and a second convex portion that protrude in the first direction and the second direction, And a third convex portion that protrudes in a third direction perpendicular to the first direction and the second direction, and a concave portion is provided on a surface of the first convex portion or the second convex portion that is disposed on the third convex portion side At least one of the surfaces constituting the concave portion may constitute the first position reference portion of the first position reference surface or the second position reference portion that can constitute the second position reference surface. In the optical circuit component of the present invention, the optical component of the present invention is mounted on an optical circuit having a waveguide, and the optical circuit has a concave portion in which an end surface of the waveguide is disposed on an inner wall surface; and the first position reference surface provided in the optical fiber component And the second position reference surface is disposed in contact with the outer circumferential surface of the optical circuit; and an inner wall surface of the end surface of the optical circuit in which the waveguide is disposed is fixed to the end surface of the holding member. In the optical circuit component of the present invention, it is possible that the inner wall surface of the end surface of the optical path in which the waveguide is disposed and the end surface of the holding member are followed by an index matching agent. Further, in the optical circuit component of the present invention, an adhesive accommodating portion for accommodating the adhesive agent may be provided in a portion of the inner wall surface of the concave portion where the end surface of the waveguide is not disposed. In the method of manufacturing an optical circuit component according to the present invention, the optical component of the present invention is mounted on an optical circuit having a waveguide, and the optical circuit has a concave portion in which an end surface of the waveguide is disposed on an inner wall surface; The inner wall surface of the end surface of the optical circuit in which the end face of the optical waveguide is disposed is fixed to the end surface of the holding member so that the first position reference surface and the second position reference surface abut against the outer peripheral surface of the optical circuit. Furthermore, the above disclosures can be combined as much as possible. [Effects of the Invention] According to the present invention, it is possible to provide a fiber optic component that does not require high-precision formation techniques in the manufacturing steps of an optical circuit, and does not require optical axis alignment for each optical fiber.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Further, the present invention is not limited to the embodiments described below. The embodiments are merely examples, and the present invention can be implemented in various modifications and improvements based on the knowledge of those skilled in the art. In the specification and the drawings, constituent elements having the same reference numerals indicate the same elements. (Basic configuration) An example of the optical circuit component of the present embodiment is shown in Figs. 1 and 2 . The optical circuit component is mounted on the optical circuit 30 with the optical fiber component of the present invention. The optical circuit 30 is, for example, a Planar Lightwave Circuit (PLC) including a waveguide 32. The optical fiber component of the present invention holds at least one optical fiber 50 in the capillary 20 functioning as a holding member. A covering portion (not shown) of the optical fiber 50 may be housed in the through hole 21 of the capillary 20. 1 and 2 show the case where the optical fiber 50 is one, but the optical fiber 50 may also be a plurality of wires. In this case, each of the optical fibers 50 is preferably arranged in parallel. The end face 50A of the optical fiber 50 is disposed on the end face 20A of the capillary 20. The optical circuit 30 has a step 31 that functions as a recess. An end surface 32A of the waveguide 32 is disposed on the side surface 31A which is the inner wall surface of the step 31. A position reference portion for determining the position of the capillary 20 on the optical circuit 30 by pressing against the capillary 20 is formed in the optical circuit 30. The capillary 20 is mounted on the step 31 in such a manner as to determine the position of the capillary 20 on the optical circuit 30. Thereby, the end face 50A of the optical fiber 50 is connected to the end face 32A of the waveguide 32. At least a portion of the capillary 20 follows the optical circuit 30. It is then preferred to use photocuring followed by. Thus, the capillary 20 is preferably constructed of a transparent glass. As the transparent glass, for example, borosilicate glass or quartz glass is preferable. Further, it is preferable that the side surface 31A and the end surface 20A of the capillary 20 are followed by a refractive index matching agent. The method of manufacturing the capillary 20 is arbitrary. For example, the optical fiber 50 is inserted into each of the through holes 21 of the capillary 20, and a gap between the inner wall surface of the through hole 21 and the optical fiber 50 is filled with an adhesive to cure the adhesive, and then the bottom surface 20E and the side surface 20C are polished or etched. The etching method is arbitrary, and for example, reactive ion etching (RIE) can be used. The method of forming the step 31 is arbitrary. For example, as shown in FIG. 3, the etching stopper layer 35 is laminated on the substrate 34 side of the waveguide 32 formed by the cladding layer 33 surrounded by the core layer, and the waveguide 32 and the cladding layer 33 are removed by dry etching. Thereby, it is possible to form the side surface 31E parallel to the substrate 34, and it is possible to form the side surface 31C and the bottom surface 31E which intersect each other at right angles. At this time, the bottom surface 31E of the step 31 is made of a material different from the material forming the cladding layer 33. In the present invention, the end face 50A of the optical fiber 50 and the end face 32A of the waveguide 32 can be aligned by pressing the capillary 20 against the step 31. Accordingly, the present invention can provide an optical fiber component which does not require high-precision formation techniques in the manufacturing steps of the optical circuit and which does not require optical axis alignment for each optical fiber. In particular, a glass capillary tube can be used as the capillary tube 20 of the present invention, which is excellent in cost and reliability. Further, by pressing the position reference portion of the optical circuit 30 and the position reference portion of the capillary 20 against (contact or contact via the adhesive layer), the position of the optical circuit core and the optical fiber can be easily aligned. (First Embodiment) In the present embodiment, the capillary 20 is a substantially rectangular parallelepiped, and the outer surface of the capillary 20 and the inner wall surface of the step 31 are used as position reference portions. The capillary 20 is in contact with at least two inner wall surfaces of the step 31 of the optical circuit or is abutted via the adhesive layer. 4 and 5 are three views showing a first embodiment of a capillary tube. Figure 4 shows the case where the fiber is one, and Figure 5 shows the case where the fiber is a plurality of bars. The capillary tube 20 is substantially rectangular parallelepiped, comprising: a first reference surface position L to the functional play _a circumferential surface of the flat bottom surface 20E i.e., reference plane and a second position L ₂ play to the functions of the peripheral surface of the flat side surface i.e. 20C. The capillary 20 has at least one through hole 21 . One optical fiber 50 is fixed to each of the through holes 21 . An end surface 50A of the optical fiber 50 is disposed at one end 21A of the through hole 21. The longitudinal direction of each of the optical fibers 50 is parallel to the side surface 20C. An enlarged view of the end face 20A of the capillary tube 20 in the case where the optical fiber is a plurality of strips is shown in FIG. The distances H _50-1 , H _50-2 , H _50-3 , and H _50-4 of the bottom surface 20E and the outer diameter center 50G-1 to 50G-4 of the optical fiber 50 are based on the first rule. For example, the distances H _50-1 , H _50-2 , H _50-3 , and H _50-4 are preset values. The distance W _50-1 , W _50-2 , W _50-3 , W _{50- between the} side surface 20C and the outer diameter centers 50G-1 to 50G-4 of the optical fibers _50-1 , _50-2 , _50-3 , _{50-4 4 is} based on the preset second rule. For example, the fiber spacing df is a predetermined value. An example of a plan view and a side view of the optical circuit is shown in FIGS. 7 and 8. Fig. 7 shows the case where the waveguide is one, and Fig. 8 shows the case where the waveguide is a plurality of strips. At least one end face 32A of one waveguide 32 is disposed on the side surface 31A of the step 31. The length direction of the waveguide 32 is parallel to the side surface 31C. The step 31 has a shape in which adjacent surfaces intersect at right angles, and has a flat bottom surface 31E and side surfaces 31C and 31D which are a part of the outer peripheral surface of the optical circuit. The bottom surface 31E functions as the first position reference surface L _{1 of the} optical circuit 30. The side surface 31C functions as the second position reference surface L _{2 of the} optical circuit 30. An enlarged view of the side surface 31A in the case where the waveguide is a plurality of strips is shown in FIG. L ₁ indicates the position of the first position reference surface of the capillary 20 when the bottom surface 20E is pressed against the bottom surface 31E. L ₂ indicates the position of the second position reference surface of the capillary 20 when the side surface 20C is pressed against the side surface 31C. The distance H _32-1 , H _32-2 , H _32-3 , H _32-4 of the first position reference plane L ₁ and the outer diameter centers 32G- ₁ , 32G-2, 32G-3, 32G-4 of the _waveguide According to the first rule. For example, the distances H _32-1 , H _32-2 , H _32-3 , H _{32-4 are equal} to the distances H _50-1 , H _50-2 , H _50-3 , and H _50-4 . The distance W _32-1 , W _32-2 , W _32-3 , W _32-4 of the second position reference plane L ₂ and the outer diameter centers 32G-1, 32G- ₂ , 32G- _3, and 32G-4 of the _waveguide According to the second rule of distances W _50-1 , W _50-2 , W _50-3 , W _50-4 . For example, the distance W _32-1 is equal to the distance W _50-1 , and the waveguide interval dc is a certain value equal to the fiber spacing df. Fig. 10 shows an example of the first mounting of the optical fiber component toward the optical circuit. The method for producing an optical part of the circuit of the present invention to position the capillary tube 20 of the first reference plane and the position L ₁ of the first light receiving circuit 30 of the reference surface abuts L _1, capillary 20 of the second plane position L ₂ of the optical circuit 30 The side surface 31A of the step 31 is fixed to the end surface 20A of the capillary 20 so that the second position reference surface L ₂ abuts. Specifically, the capillary 20 is pressed against the step 31 such that the bottom surface 20E abuts against the bottom surface 31E and the side surface 20C abuts against the side surface 31C. Further, the side surface 31A of the step 31 and the end surface 20A of the capillary 20 are fixed by an adhesive. Thereby, the capillary 20 can be positioned by abutting against the three inner wall surfaces of the step 31 of the optical circuit 30 or by the contact of the adhesive layer, whereby the outer diameter center 50G of the optical fiber 50 can be aligned with the outer diameter center 32G of the waveguide 32. When abutting through the adhesive layer, the position at which the thickness of the adhesive layer is added becomes the position reference surface. For example, the distances H _50-1 , H _50-2 , H _50-3 , and H _50-4 of FIG. 6 include the distance of the thickness of the subsequent layer. Here, it is preferable that a gap 31S is provided between the side surface 20D of the capillary 20 and the side surface 31D of the step 31. Thereby, since the pressing force in the direction D _{S is} easily applied, the contact of the side surface 20C toward the side surface 31C can be easily performed. Further, as shown in FIG. 11, the end face 20A of the capillary 20 is preferably inclined at an angle α with respect to a cross section perpendicular to the longitudinal direction of the optical fiber 50. At this time, the side surface 31A of the step 31 is inclined by an angle α with respect to the cross section perpendicular to the longitudinal direction of the waveguide 32. As a result, when the pressing force is applied to the direction D _L toward the side surface 31A, the capillary 20 is pressed toward the side surface 31C, so that the side surface 20C can be easily brought into contact with the side surface 31C. As described above, in the present embodiment, the position reference portion is a plane of a simple configuration such as a rectangular parallelepiped. Therefore, the step 31 of the optical circuit 30 can be easily and accurately fabricated by an etching method such as RIE. Further, as shown in FIG 12, the bottom surface can play _a function of the capillary tube 20 is provided with a groove portion 20E at the adhesive reservoir 20H in the first position as a reference plane L. And, 13, may be used as the first reference surface position L exert _a bottom surface 31E of the functions at the step 31 is provided with a groove portion 31H of the adhesive reservoir. (Second Embodiment) Fig. 14 shows an example of the second mounting of the optical fiber component toward the optical circuit. In the present embodiment, the end surface 20A of the capillary 20 has a T-shape having the convex portions 22, 23, and 24, and the upper surface 30F of the optical circuit 30 functions as the first position reference portion, and the side surface 31C of the optical circuit 30 serves as the first surface. The 2 position reference unit functions. The convex portion 22 and the convex portion 23 are disposed in the opposing direction of the direction D _S . The convex portion 24 protrudes in a direction perpendicular to the direction D _S . The optical fiber 50 is held at the convex portion 24. A convex portion 24 is accommodated in the step 31. In the present embodiment, the convex portion 22 and the convex portion 23 function as the first position reference portion. Specifically, the side surface 23C of the convex portion 23 abuts on the upper surface 30F of the optical circuit 30. The side surface 22C of the convex portion 22 abuts on the upper surface 30F of the optical circuit 30. Whereby, connected to the side surface 22C of the convex portion 22 and the side surface 23 of the convex portion 23C of the surface as a reference surface position L ₁ of the first functions. As in the first embodiment as illustrated, the position of the first reference plane and the distance L ₁ the center 50 of the outer diameter of the optical fiber 50G-1 ~ 50G-4 of the constant. The second position reference plane L ₂ is the same as that of the first embodiment. That is, the side surface 20C of the capillary 20 functions as the second position reference surface L ₂ . The side surface 31C of the optical circuit 30 is the second position reference surface L ₂ of the optical circuit 30. In the method of manufacturing the optical circuit component of the present embodiment, the side surface 22C of the convex portion 22 is in contact with the upper surface 30F of the optical circuit 30, and the side surface 23C of the convex portion 23 abuts against the upper surface 30F of the optical circuit 30, and the side surface 20C and the side surface 20C The 31C abuts the capillary 20 against the step 31. Further, the side surface 31A of the step 31 and the end surface 20A of the capillary 20 are fixed by an adhesive. Thereby, the outer diameter center 50G of the optical fiber 50 can be made to coincide with the outer diameter center 32G of the waveguide 32. (Third Embodiment) Fig. 15 shows a third example of mounting an optical component to an optical circuit. In the second embodiment, the convex portions 36 and 37 are provided on the upper surface 30F of the optical circuit 30, and the concave portions 26 and 27 having substantially complementary shapes to the convex portions 36 and 37 are provided in the convex portions 22 and 23. . In the present embodiment, the concave portions 26 and 27 function as the first position reference portion of the capillary 20, and the convex portions 36 and 37 function as the first position reference portion of the optical circuit 30. Specifically, the concave portion 26 is in contact with the convex portion 36 of the optical circuit 30. The concave portion 27 is in contact with the convex portion 37. Accordingly, the surface of the connection recess 26 and the concave portion 27 of the first capillary tube 20 as the position of the reference plane L ₁ functions. The surface connecting the convex portion 36 and the convex portion 37 functions as the first position reference surface L _{1 of the} optical circuit 30. In the present embodiment, the concave portion 27 and the convex portion 37 function as the second position reference surface L ₂ . As described in the first embodiment, the distance between the outer diameter centers 50G-1 to 50G-4 of the optical fibers 50-1, 50-2, 50-3, and 50-4 and the second position reference plane L ₂ is According to the preset second rule. In the method of manufacturing the optical circuit component of the present embodiment, the concave portion 26 of the capillary 20 abuts against the convex portion 36 of the optical circuit 30, and the concave portion 27 of the capillary 20 abuts against the convex portion 37 of the optical circuit 30 to press the capillary 20 against it. . Further, the side surface 31A of the step 31 and the end surface 20A of the capillary 20 are fixed by the adhesive 4. Thereby, the outer diameter center 50G of the optical fiber 50 can be made to coincide with the outer diameter center 32G of the waveguide 32. In the above embodiment, an example in which the optical fiber 50 and the waveguide 32 are arranged in one line is shown, but the present invention is not limited thereto. For example, the optical fiber 50 and the waveguide 32 may be arranged in two or more rows. [Industrial Applicability] The present invention can be applied to the information communication industry.

4‧‧‧Binder

20‧‧‧ Capillary

20A‧‧‧ end face of capillary

20C‧‧‧ side of the capillary

20D‧‧‧ side of capillary

20E‧‧‧Bottom of the capillary

20H‧‧‧Slots

21‧‧‧through holes

21A‧‧‧End

22‧‧‧ convex

22C‧‧‧ side

23‧‧‧ convex

23C‧‧‧Side of the convex part

24‧‧‧ convex

26‧‧‧ recess

27‧‧‧ recess

30‧‧‧Optical circuit

30F‧‧‧Top surface of optical circuit

31‧‧‧ steps

31A‧‧‧Side side of the stairs

31C‧‧‧Side side of the stairs

31D‧‧‧Side side

31E‧‧‧ underside of the steps

31H‧‧‧Slots

31S‧‧‧ gap

32‧‧‧Band

32A‧‧‧End of the waveguide

32G‧‧‧ OD Center

32G-1‧‧‧ OD Center

32G-2‧‧‧ OD Center

32G-3‧‧‧ OD Center

32G-4‧‧‧ OD Center

33‧‧‧Cladding

34‧‧‧Substrate

35‧‧‧ etching barrier

36‧‧‧ convex

37‧‧‧ convex

50‧‧‧ fiber

50A‧‧‧End face of fiber

50-1‧‧‧Fiber

50-2‧‧‧ fiber

50-3‧‧‧Fiber

50-4‧‧‧Fiber

50G‧‧‧ OD Center

50G-1‧‧‧ OD Center

50G-2‧‧‧ OD Center

50G-3‧‧‧ OD Center

50G-4‧‧‧ OD Center

D _L ‧‧‧ directions

D _S ‧‧‧ Direction

Dc‧‧‧Wave interval

Df‧‧‧fiber spacing

H _32-1 ‧‧‧Distance

H _32-2 ‧‧‧Distance

H _32-3 ‧‧‧Distance

H _{32-4 ‧‧‧Distance}

H _50-1 ‧‧‧Distance

H _50-2 ‧‧‧Distance

H _50-3 ‧‧‧Distance

H _50-4 ‧‧‧Distance

L ₁ ‧‧‧1st position datum

L ₂ ‧‧‧2nd position datum

W _32-1 ‧‧‧Distance

W _32-2 ‧‧‧Distance

W _32-3 ‧‧‧Distance

W _{32-4 ‧‧‧Distance}

W _50-1 ‧‧‧Distance

W _50-2 ‧‧‧Distance

W _50-3 ‧‧‧Distance

W _50-4 ‧‧‧Distance

‧‧‧‧ angle

Fig. 1 shows an example of an optical circuit component of the embodiment. Fig. 2 is an exploded view showing an example of the optical circuit component of the embodiment. Fig. 3 is an explanatory view showing an example of a method of forming a step. Fig. 4 is a three-dimensional view showing a first embodiment of a capillary tube holding one optical fiber. Fig. 5 is a three-dimensional view showing a first embodiment of a capillary tube holding a plurality of optical fibers. Fig. 6 shows an example of an enlarged view of the end face of the capillary. Fig. 7 is a plan view and a side view showing a first embodiment of an optical circuit that holds one waveguide. Fig. 8 is a plan view and a side view showing a first embodiment of an optical circuit for holding a plurality of waveguides. Fig. 9 shows an example of an enlarged view of the side of the step. Fig. 10 shows an example of the first mounting of the optical fiber component toward the optical circuit. Fig. 11 shows an example of the second mounting of the optical fiber component toward the optical circuit. Fig. 12 shows an example of a groove portion provided in a capillary. Fig. 13 shows an example of a groove portion provided in a step. Fig. 14 shows an example of the third mounting of the optical fiber component toward the optical circuit. Fig. 15 shows an example of the fourth mounting of the optical fiber component toward the optical circuit.

Claims (12)

An optical fiber component in which a fiber is held in one or more through holes provided in a holding member, and one end of each of the optical fibers is placed on an end surface of the holding member, and one through-hole is fixed in each of the through holes. The outer peripheral surface of the holding member other than the end surface of the holding member has a first position reference capable of forming a first position reference surface having a distance from an outer diameter center of each optical fiber according to a predetermined first rule. And a second position reference portion having a second position reference surface having a distance from a center of an outer diameter of each of the optical fibers according to a predetermined second rule and perpendicular to the first position reference surface. The optical fiber component of claim 1, wherein the plurality of optical fibers are fixed to each other in parallel with the plurality of through holes; and the first position reference surface is a plane equal to a distance between the outer diameter centers of the plurality of optical fibers. The optical fiber component of claim 1 or 2, wherein said front end surface of said holding member is inclined with respect to a cross section perpendicular to a longitudinal direction of each of the optical fibers. The optical fiber component according to any one of claims 1 to 3, wherein the holding member has a peripheral surface that is disposed on the outer surface of the first position reference surface as the first position reference portion. The optical fiber component according to claim 4, wherein an adhesive accommodating portion for accommodating the adhesive is provided on the first position reference surface. The optical fiber component according to any one of claims 1 to 3, wherein the holding member has a T-shape, and the T-shape has a first convex portion and a second convex portion that protrude in the first direction and the second direction, And a third convex portion that protrudes in a third direction perpendicular to the first direction and the second direction; wherein the third convex portion is accommodated in the concave portion; and the first convex portion and the second convex portion serve as the first position The reference portion functions; the surface that connects the first convex portion and the second convex portion functions as the first position reference surface. The optical fiber component according to any one of claims 1 to 6, wherein the holding member has a peripheral surface that is disposed on the outer surface of the second position reference surface as the second position reference portion. The optical fiber component according to any one of claims 1 to 6, wherein the end surface of the holding member has a T-shape, and the T-shape has a first convex portion and a second protruding portion that protrude in the first direction and the second direction. a convex portion and a third convex portion that protrudes in a third direction perpendicular to the first direction and the second direction; and the first convex portion or the second convex portion is disposed on the third convex portion side The concave portion is provided on the surface, and at least one of the surfaces constituting the concave portion may constitute the first position reference portion of the first position reference surface or the second position reference portion that can constitute the second position reference surface. An optical circuit component in which the optical fiber component according to any one of claims 1 to 8 is mounted on an optical circuit having a waveguide, and the optical circuit has a concave portion in which an end surface of the waveguide is disposed on an inner wall surface; The first position reference surface and the second position reference surface are disposed in contact with the outer circumferential surface of the optical circuit, and the inner wall surface of the end surface of the optical circuit in which the waveguide is disposed and the holding member are disposed. The aforementioned end faces are fixed. The optical circuit component according to claim 9, wherein the inner wall surface of the end surface of the optical path in which the waveguide is disposed and the end surface of the holding member are followed by an index matching agent. The optical circuit component according to claim 9 or 10, wherein an adhesive accommodating portion for accommodating the adhesive is provided in a portion of the inner wall surface of the concave portion where the end surface of the waveguide is not disposed. A method of manufacturing an optical circuit component, wherein the optical fiber component according to any one of claims 1 to 8 is mounted on an optical circuit having a waveguide, wherein the optical circuit has a concave portion in which an end surface of the waveguide is disposed on an inner wall surface; The first position reference surface and the second position reference surface of the optical fiber component are in contact with the outer circumferential surface of the optical circuit, and the inner wall surface of the end surface of the optical circuit in which the waveguide is disposed is formed in the concave portion The aforementioned end faces of the holding members are fixed.