Abstract: A communication cable is provided that retains low signal attenuation even after multiple cycles through significant temperature changes. The cable includes a communication element, a tight buffer element that surrounds the communication element, a strengthening element that surrounds the tight buffer element, an inner jacket that surrounds the strengthening element, and an outer jacket that surrounds the inner jacket. The outer jacket protects the interior components and is made of a hard material, and the inner jacket protects the communication element from the mechanical stresses of temperature-induced thermal expansion and contraction of the outer jacket.

Abstract: The invention relates to a plasma chemical vapor deposition (PCVD) apparatus for deposition of one or more layers of silica onto an interior wall of an elongated hollow glass substrate tube. The apparatus comprises a microwave generator, a plasma generator receiving microwaves from said generator in use, a cylindrical cavity extending through said generator, and a cylindrical liner positioned in the cavity. The substrate tube passes through the liner in use. The cylindrical liner has at least one section having a reduced inner diameter over a part of the length of the liner, the at least one section providing a contact zone for the substrate tube. The microwave generator is configured to generate microwaves having a wavelength Lw in the range of 40 to 400 millimeters, wherein a length of said at least one section having the reduced inner diameter is at most 0.1×Lw.

Abstract: A transition tube is provided for receipt of a fiber optic cable with a jacket portion and a stripped fiber portion. The transition tube allows the optical fiber to be placed within a gel block seal so that the gel block need not contact the jacket of the optical fiber cable. In some examples, the transition tube contains inner geometry to allow easy insertion of an optical fiber cable. In other examples, an end of the cable is sealed within the transition tube.

Abstract: A multi-fiber cable assembly includes a pigtail segments spliced to a trunk segment using multiple mass fusion splices. The splices are disposed within an encapsulation at a common axial location. A flexible conduit extends from one end of the encapsulation to protect bare fibers of the trunk segment. A protective sheath extends from the opposite end of the encapsulation to protect the pigtail segments. The conduit and sheath are axially fixed to the encapsulation.

Abstract: A device including a cable transceiver including cable electrical connections including data electrical connections and control electrical connections, and a hardware memory device, the hardware memory device storing a string identifying a cable and being electrically accessible from externally to the cable transceiver via the control electrical connections. The cable, in electrical connection with the cable electrical connections, may be included in the device. A device for verifying cable authenticity is also described, the device including interface hardware for interfacing a plurality of cables with the device, and verifier circuitry configured to verify that each of the plurality of cables is genuine based on a string stored in a hardware memory device included in each of the plurality of cables. Related apparatus and methods are also described.

Abstract: A fiber optic connector assembly includes a connector housing defining a locking portion defined on an outer surface of the connector housing, an adapter assembly selectively coupled to the connector housing, the adapter assembly including a conversion housing extending around the connector housing and defining a conversion front end, a retention housing including a connector retention feature engaged with the locking portion of the connector housing and the retention housing defining one or more outwardly-extending retention features, and a release member, engageable with the retention housing, where the release member is positionable between an engaged position, in which axial movement between the retention housing and the conversion housing is restricted, and a disengaged position, in which the retention housing is removable from the conversion housing.

Abstract: The present disclosure relates to a holder for attaching an optical component to a structure such as a tray. The holder includes integrated first mounting features including end tabs and integrated second mounting features including dovetail projections.

Abstract: An optical cable includes a main body and a termination segment extending from an end of the main body. The main body includes middle portions of optical fibers. The termination segment includes end portions of the optical fibers and multi-fiber connectors attached to the end portions of the optical fibers. The multi-fiber connectors are staggered along a length of the termination segment.

Abstract: The present invention relates to a rapid optical fiber link restoration solution rapidly deployed by pulling, blowing, jetting or hanging in an aerial, on-ground, underground or inside a duct includes an optical fiber connector and an optical fiber cable. The optical fiber connector is connected at both ends of the optical fiber cable. Particularly, the optical fiber cable is dielectric and has a tensile strength 2500 N and a crush resistance of 2000 N/100 mm. Moreover, the optical fiber connector has water resistance for 1.5 meters of water-head for a maximum period of 30 minutes.

Abstract: A fiber optic cable assembly comprises: a cable jacket; distinct groups of optical fibers carried within the cable jacket and extending beyond a first end of the cable jacket; a furcation body positioned on the first end of the cable jacket such that the distinct groups of optical fibers extend beyond the furcation body; and a pulling grip assembly having a proximal end selectively secured to the furcation body, a distal end opposite the proximal end, and an interior between the proximal end and the distal end that contains fiber end sections. The interior of the pulling grip assembly is sealed off from an exterior of the cable assembly to provide sealed protection for the fiber end sections over an ambient temperate range of at least between ?20 to 50° C. while applying a tensile load of at least 300 lbs to the distal end of the pulling grip assembly.

Abstract: An optical fiber cable includes a central strength member, a bedding compound surrounding the central strength member, a plurality of buffer tubes stranded around the central strength member and the bedding compound such that the bedding compound forms to the buffer tubes and occupies substantially the entirety of an inner core area between the buffer tubes and the central strength member. At least one of the buffer tubes contains a plurality of optical fibers and a jacket surrounds the plurality of buffer tubes. The cable may further include a second bedding compound that fills interstices in an outer core area between the buffer tubes and the jacket.

Abstract: Systems and methods to implement a USB and Thunderbolt optical signal transceiver are described. One method includes detecting presence of a USB sideband signal received over an optical communication channel and associated with a USB communication request. Responsive to the detecting, the method may determine that the USB communication request corresponds to a USB communication mode and perform a sideband negotiation. The USB communication mode may be enabled. A specified number of channels associated with the USB communication request may be determined. USB communication may be performed using the specified number of channels over the optical communication channel in the USB communication mode.

Abstract: An image forming apparatus includes an image forming unit configured to perform image formation on a sheet, a casing configured to house the image forming unit, an operation unit configured to receive an operation performed by a user, an electric wire extending from the casing to be connected to the operation unit and configured to transmit an electrical signal, a reinforcing member provided separate from and independent of the electric wire, the reinforcing member interconnecting the casing and the operation unit, and a covering configured to enclose therein the electric wire and the reinforcing member, wherein the reinforcing member is fixed to the casing and the operation unit in such a manner that a distance between a portion fixed to the casing and a portion fixed to the operation unit in the reinforcing member is shorter than a total length of the electric wire.

Abstract: An assembly assembled by a plurality of sections put together, wherein the section includes an elongated structure having a left end and a right end, an optical fiber having a left end and a right end and extending from its left end to its right end so that: the left ends of the elongated structure and of the optical fiber are located on the same left side of the section, and the right ends of the elongated structure and of the optical fiber are located on the same right side of the section, each end of the optical fiber is enclosed in a junction box, the box of the right or left end of the optical fiber of the section being assembled with the junction box of the left end or right end of the optical fiber of another similar section to optically connect the optical fibers of two sections.

Abstract: A fiber optic pigtail assembly that includes a plurality of optical fibers and at least one optical connector. The optical fibers each have a first end opposite a second end. The plurality of optical fibers are ribbonized together from the first end of each of the plurality of optical fibers partway toward the second end of each of the plurality of optical fibers and form a ribbonized end portion. The at least one optical connector is connected to the second end of each of the plurality of optical fibers. A loose portion of the plurality of optical fibers is positioned between the at least one optical connector and the ribbonized end portion.

Abstract: Devices, assemblies, and methods for anchoring portions of telecommunications cables, including protective sheaths and strength members. In some examples, the devices and assemblies are adjustable to accommodate different sized cables and cable components. According to one embodiment, an assembly includes two members that cooperate via a ratcheting mechanism to adjust to different cable diameters, the assembly further including features adapted to anchor strength member yarn of a cable.

Abstract: A distributed utility system includes water source supply lines capable of being placed in fluid communication with a separate water source, water discharge lines capable of being placed in fluid communication with a separate water discharge destination, a water source and destination control manifold to allow selected water source supply lines to be placed in fluid communication with selected water discharge lines, and a storm water collection and distribution system. The storm water system includes a storm water collection conduit and a collected storm water discharge line in fluid communication with the storm water collection conduit, and the storm water discharge line can be placed in fluid communication with the plurality of water discharge lines via the control manifold. The distributed utility system further includes a utility line disposed within at least one of the water source supply lines, water discharge lines and collected storm water discharge line.

Abstract: Cable adapters, connector assemblies, and optical cable assemblies incorporating an integral seal are disclosed. According to one aspect, a cable adapter includes a first end, a second end, and a passageway extending between the first end and the second end. The cable adapter further includes a seal groove within a surface of the second end, at least one opening within the seal groove, wherein the at least one opening is fluidly coupled to the passageway, and a seal within the seal groove. The seal includes a sealing material disposed within the seal groove, the at least one opening, and along an interior surface of the passageway.

Abstract: The present invention relates to a pre-terminated (pre-terminated) optical fibre cable assembly (10,90), which is configured to be installed through a duct (20). The pre-terminated optical fibre construction (10,90) includes at least one optical fibre (46). A protective sleeve (26) is added to the optical fibre (46) before adding a terminal connector (24) to the leading end of at least one optical fibre (46). The protective sleeve (26) extends from behind the terminal connector (24) along part of the length of the optical fibre (46). When the cable is installed through a duct, the protective sleeve protects the portion of the fibre that protrudes from the end of the duct, for example in a communications cabinet (16). A residual length (28) of the protective sleeve remains within the duct. Terminal connectors and protective sleeves can be applied at both ends of the cable assembly, or only one end.

Abstract: A pre-terminated end of a fiber optic cable has a protective cap that protects the optical fiber and the ferrule assembly at the terminal end. The protective cap has an attachment feature enabling a pull cord to attach to the protective cap. The protective cap has a body including an exterior surface and a receptacle formed in the body and configured to receive a portion of the fiber optic cable, and the attachment feature. The attachment feature includes a cavity formed in a tip of the body and at least two openings formed in the exterior surface of the body and connected to the cavity.

Abstract: An optical combiner includes: an optical fiber bundle formed by a plurality of first optical fibers; and a second optical fiber including an end surface joined to an end surface of the optical fiber bundle by fusion-splicing. The plurality of first optical fibers includes a predetermined first optical fiber and other first optical fibers. The predetermined first optical fiber is composed of one or more materials having higher softening temperatures than one or more materials of the other first optical fibers.

Abstract: A fiber optic cable assembly comprises: a cable jacket; distinct groups of optical fibers carried within the cable jacket and extending beyond a first end of the cable jacket; a furcation body positioned on the first end of the cable jacket such that the distinct groups of optical fibers have respective fiber end sections extending beyond the furcation body; and a pulling grip assembly protecting the fiber end sections. The pulling grip assembly includes a pulling band releasably secured to the cable jacket by a clamp, and is configured to withstand significant tensile loads despite being easily removable.

Abstract: An optical fiber carrying structure that includes a jacket and a rip cord is provided. Optical fiber cables are used to transmit data over distance. Generally, large distribution cables that carry a multitude of optical fibers from a hub are sub-divided at network nodes into subunits. To remove a jacket of a subunit, the subunit may be provided with an access feature such as a rip cord. Described herein is a rip cord for use with optical fiber carrying structures.

Abstract: The present invention provides a portable charging light-emitting cable for new energy vehicles, including power configuration wires, a signal wire, electroluminescent wires, a filling layer and an outer protective sleeve. The power configuration wires are evenly arranged around the signal wire. At least more than two electroluminescent wires are mutually helically twisted with the power configuration wires in the same number of groups around an outer wall of the signal wire into a cable shape. Each electroluminescent wire is arranged between two adjacent power configuration wires. According to the present invention, the electroluminescence technology is incorporated into light-emitting charging cables. While charging, cables emit light evenly, which is suitable for charging observation at night, and rich colors are provided to play a warning role to prevent accidents. During the light-emitting process, light-emitting wires do not generate any heat, and energy consumption is extremely low.

Abstract: A mode-dependent loss measurement device measures a mode-dependent loss of a measurement target optical fiber including a coupled MCF. The device includes a light source, a light receiver, a mode coupled state changer, and an analysis unit. The light source inputs light to an input end of an excitation optical fiber including another coupled MCF. The light receiver detects a sum of powers of outputted light beams from a plurality of core end faces positioned on an output end of the measurement target optical fiber. The mode coupled state changer changes a mode coupled state of the excitation optical fiber. The analysis unit obtains a mode-dependent loss of the measurement target optical fiber from variations in optical powers detected by the light receiver.

Abstract: The present disclosure relates to a cable assembly including a sleeve and a plurality of cables that extend through the sleeve. The cable assembly also includes a grommet positioned within the sleeve at a location offset from one end of the sleeve. The grommet forms a dam location. The cable assembly further includes a bonding material at least partially filling a region of the sleeve located between the dam location and the end of the sleeve. The bonding material bonds the fiber optic cables and the grommet relative to the sleeve. The cables extend through the grommet and the bonding material and include break-out portions that extend outwardly beyond the end of the sleeve.

Abstract: An optical fibre includes a glass core, a glass cladding, a primary coating layer and a secondary coating layer. The glass cladding surrounds the glass core. The glass cladding has a cladding refractive index. The primary coating layer is sandwiched between the glass cladding and the secondary coating layer. The primary coating layer may have one of a primary in-situ modulus in the range of 0.1 to 0.2 mega pascal and a primary coating thickness in the range of 2.5 micrometers to 10 micrometers. The secondary coating layer may have one or more of the secondary in-situ modulus greater than or equal to 1.2 giga pascal and the secondary coating thickness in a range of 2.5 to 17.5 micrometers.

Abstract: An optical cable includes a single optical connector configured for insertion into an optical receptacle so as to receive optical signals at a plurality of different wavelengths from the optical receptacle, and multiple electrical connectors, configured for insertion into respective electrical receptacles. Each electrical connector includes a transceiver configured to convert the optical signals into electrical output signals for output to an electrical receptacle. The optical cable further includes a plurality of optical fibers, having respective first ends connected together to the single optical connector so as to receive the optical signals. Each of the optical fibers has a respective second end coupled to a respective one of the electrical connectors. Wavelength selection optics are associated with the optical fibers so that the transceiver in each of the electrical connectors receives the optical signals at a different, respective one of the wavelengths.

Abstract: A fiber splice closure for housing an optical connection between a distribution cable and at least one drop cable of an optical network includes a base and an insert. The base includes round drop cable ports configured to receive a drop cable containing a first optical fiber. Screw holes are arranged in a radial side wall of the drop cable ports and receive a fixing device to secure the drop cable. A round port receives a distribution cable containing a second optical fiber. A clamp secures the distribution cable to the base. An insert has first and second wrap guides that house excess first optical fiber.

Abstract: A cable-tie carrier is disclosed herein that includes a chip holder with a recess cavity for holding an electronic chip and a cable that is removably attached to the chip holder. The electronic chip stores identification information or testing data that may be used to identify and track the part. External computing devices (e.g., smart phone, tablet, scanner) may access the stored identification information or testing data for a user. The electronic chip is fastened, magnetically attached, or stuck with adhesive to the chip holder to position a transmitter (or antenna) to face out of the recess cavity.

Abstract: A distributed utility system includes water source supply lines capable of being placed in fluid communication with a separate water source, water discharge lines capable of being placed in fluid communication with a separate water discharge destination, a water source and destination control manifold to allow selected water source supply lines to be placed in fluid communication with selected water discharge lines, and a storm water collection and distribution system. The storm water system includes a storm water collection conduit and a collected storm water discharge line in fluid communication with the storm water collection conduit, and the storm water discharge line can be placed in fluid communication with the plurality of water discharge lines via the control manifold. The distributed utility system further includes a utility line disposed within at least one of the water source supply lines, water discharge lines and collected storm water discharge line.

Abstract: A fiber optic cable breakout assembly includes: a fiber optic cable including a plurality of first optical fibers and a first jacket surrounding the optical fibers; a breakout canister; a plurality of pigtail cords, each of the pigtail cords including a second optical fiber partially encased in a second jacket and an optical connector, each of the pigtail cords extending away from the canister, each of the optical fibers extending through the canister; and a flexible furcation tube attached to and extending between the fiber optic cable and the breakout canister, the furcation tube including an armored inner layer and a polymeric outer layer, wherein each of the first optical fibers is spliced to a respective second optical fiber within the inner layer of the furcation tube.

Abstract: A pre-terminated end of a fiber optic cable has a protective cap that protects the optical fiber and the ferrule assembly at the terminal end. The protective cap has an attachment feature enabling a pull cord to attach to the protective cap. The protective cap has a body including an exterior surface and a receptacle formed in the body and configured to receive a portion of the fiber optic cable, and the attachment feature. The attachment feature includes a cavity formed in a tip of the body and at least two openings formed in the exterior surface of the body and connected to the cavity.

Abstract: Telecommunications assemblies and modules incorporating demateable fiber optic connection interfaces for coupling non-ferrulized optical fibers.

Abstract: Disclosed is an optical probe of an optical coherence tomography (OCT) system according to an exemplary embodiment of the present disclosure. The optical probe of the OCT system includes: an optical fiber receiving light generated from a light source and transferring the received light to a plurality of lenses and receiving light reflected from tissue from the plurality of lenses and transferring the received light to an optical coherence system; a plurality of lenses including a first lens positioned at a distal end of the optical fiber and a second lens positioned at a predetermined point in a longitudinal direction of the optical fiber; and a sheath capable of accommodating the optical fiber therein.

Abstract: A cable connection information display system includes a cable having a first cable connector, and a first cable connection information display subsystem that is included on the cable adjacent the first cable connector. The first cable connection information display subsystem includes a first display device, and a first connection information receiving subsystem that is coupled to the first cable connector and the first display device. The first connection information receiving subsystem receives first connection information, which identifies at least a first computing device and a first port, via the first cable connector and from the first computing device that includes the first port that is connected to the first cable connector. The first connection information receiving subsystem then provides the first connection information for display on the first display device to identify the first computing device and the first port.

Abstract: A multicore fiber optic cable comprising of a central fiber having a central fiber outer diameter, a central fiber coating surrounding the central fiber outer diameter of the central fiber, the central fiber coating having a continuous spiraled groove around the central fiber outer diameter, a dual core optical fiber having a dual core optical fiber geometry, the dual core optical fiber spiraled around the central fiber coating and disposed within the spiraled groove such that the dual core optical fiber is wound around the central fiber coating in a spiral pattern and the central fiber core geometry and the dual core optical fiber geometry are oriented longitudinally to negate link path length difference; and an outer sheath surrounding the central fiber coating and the dual core optical fiber.

Abstract: A network apparatus includes a hybrid data/power cable further including a power conductor and a data conductor extending between a first end and a second end thereof, the first end of the hybrid data/power cable terminating with a first connector head. The first connector head includes a fuse element coupled in series with the power conductor of the hybrid data/power cable. A remote device is coupled to the second end of the hybrid data/power cable for receiving a data signal from the data conductor of the hybrid data/power cable and a DC voltage from the power conductor of the first hybrid data/power cable. The remote device includes a current-limiting circuit coupled in series with the power conductor of the first hybrid data/power cable to produce a DC voltage at an output of the current-limiting circuit. The remote device further includes a buck/boost converter coupled to the output of the current-limiting circuit for adjusting the DC voltage.

Abstract: A breakout device for mid-span fiber separation. First and second portions that each have a hollow interior space that defines a first part of a primary interior pathway and that defines a first part of a secondary interior pathway that branches away from the primary pathway. The first and second portions together bound the primary and secondary pathways. The first and second portions together define: a first entrance orifice, a second exit orifice and a third exit orifice. The first and second portions are configured to permit in-situ placement of the device upon elongated fibers. All the fibers extend through the first entrance orifice at the entrance to the primary pathway, a first group of the fibers extend through the second exit orifice at an exit from the primary pathway, and a second group of the fibers extend through the third exit orifice at an exit from the secondary pathway.

Abstract: The aim of the invention is to provide a rubber profiled safety strip or an elastic profiled safety strip which can carry out a signaling function. To this end a profiled safety strip (10) is provided for a door (15) of a transport means, wherein the profiled safety strip (10) contains an opaque elastic main part (11) in which at least one receiving region (17, 18) is formed, and in the at least one receiving region (17, 18) an insert strip (12, 31) is disposed, which contains at least one light source (13, 32) and is made of an elastic material that is at least partly transparent.

Abstract: There are described methods and systems for deploying optical fiber within a conduit. In one aspect, an optical fiber injector comprising a pressure vessel having a fluid inlet and a fluid outlet. The fluid outlet is engaged with an open end of the conduit. A length of optical fiber is provided within the pressure vessel. The optical fiber is then jetted into the conduit by injecting a fluid into the pressure vessel via the fluid inlet. The optical fiber injector is configured such that the fluid is directed from the fluid inlet to the fluid outlet, and urges the optical fiber to move through the conduit, thereby deploying the optical fiber within the conduit. In a further aspect, there is provided a modular assembly comprising a pipeline and a line of two or more conduits arranged end-to-end. Each pair of opposing ends of adjacent conduits is connected together by a separate splice box. The line is positioned along and adjacent to a length of the pipeline.

Abstract: A multicore optical fiber includes two or more cores, a common interior cladding surrounding the two or more cores, and a common exterior cladding surrounding the common interior cladding. The common exterior cladding has a lower relative refractive index than the common interior cladding and reduces tunneling losses from the cores. The reduced tunneling loss allows placement of cores closer to the edge of the fiber, thus providing multicore optical fibers having higher core count for a given fiber diameter. Separation between cores is controlled to minimize crosstalk.

Abstract: An optical communication cable is provided having a cable body with an inner surface defining a passage within the cable body and a plurality of core elements within the passage. A film surrounds the plurality of core elements, wherein the film directs a radial force inward onto the plurality of core elements to restrain and hold the plurality of core elements in place.

Abstract: It is disclosed a method for coupling an optical fiber to a fiber optic cable, the fiber optic cable comprising a sheath surrounding an optical core comprising a buffer tube, the optical fiber being loosely contained in the buffer tube. The method comprises: cutting the sheath for a predetermined length thereof and exposing a corresponding portion of the optical core extending outward beyond a butt of the cut sheath; cutting the buffer tube of the exposed optical core and exposing a portion of the optical fiber; using a blocking tube to at least partially surround a section of the exposed portion of the optical fiber; and injecting a sealant into the blocking tube to lock the optical fiber within the blocking tube and couple the optical fiber to the fiber optic cable.

Abstract: An intermittent tape core wire (140) of an optical fiber cable is assembled into a cable core so that in a k core wire, an l core wire, and an m core wire composed of a multi-core optical fibers continuously adjacent in the width direction of the intermittent tape core wire (140), a difference ? between a core wire twisting direction D2km of the k core wire at a bonding portion (142) connecting the k core wire and the l core wire and a core wire twisting direction D2kl of the k core wire at a bonding portion (142) connecting the k core wire and the m core wire is different from when manufactured.

Abstract: An optical fiber cable including a central strength member, a first plurality of tight-buffered ribbon stacks, a binder film, and a cable sheath. The central strength member extends along a longitudinal axis of the optical fiber cable. The tight-buffered ribbon stacks are SZ-stranded around the central strength member. An interstitial space is provided between adjacent tight-buffered ribbon stacks. A binder film continuously and contiguously surrounds the first plurality of tight-buffered ribbon stacks along the longitudinal axis. The binder film includes first portions and at least one second portion. Each of the at least one second portion of the binder film extends into one of the interstitial spaces of the first plurality of tight-buffered ribbon stacks. The cable sheath continuously and contiguously surrounds the binder film along the longitudinal axis, and the cable sheath is coupled to the first portions of the binder film.

Abstract: Composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm3, wherein at least some of the dopants have a density of about 6 g/cm3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm3, wherein at least some of the dopants have a density of about 0.9 g/cm3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.

Abstract: A multichip package may include at least a package substrate, a main die mounted on the package substrate, a transceiver die mounted on the package substrate, and an optical engine die mounted on the package substrate. The main die may communicate with the transceiver die via a first high-bandwidth interconnect bridge embedded in the package substrate. The transceiver die may communicate with the optical engine die via a second high-bandwidth interconnect bridge embedded in the package substrate. The transceiver die has physical-layer circuits that directly drive the optical engine. An optical cable can be connected directly to the optical engine of the multichip package.

Abstract: An optical amplifier is provided in which adjacent ones of a plurality of cores each containing a rare-earth element and included in an amplifying multi-core optical fiber (MCF) serve as coupled cores at an amplifying wavelength, a connecting MCF is connected to the amplifying MCF, a pump light source is connected to the connecting MCF, and the pump light source pumps the rare-earth element in the amplifying MCF through the connecting MCF.

Abstract: Embodiments of a bundled optical fiber cable are provided. Included therein is a central cable unit spanning a first length from a first end to a second end. The central cable unit has a first plurality of optical fibers disposed within a cable jacket. The bundled optical fiber cable also includes at least one optical fiber drop cable wound around the cable jacket of the central cable unit. Each optical fiber drop cable spans a second length from a first end to a second end. Further, each optical fiber drop cable includes one or more optical fibers disposed within a buffer tube. The first end of each optical fiber drop cable is substantially coterminal with the first end of the central cable unit, and the first length spanned by the central cable unit is longer than the second length spanned by each of the optical fiber drop cables.