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OFC 2004 Presentation Arrayed Fiberoptics Corporation Arrayed Fiberoptics Corporation...

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OFC 2004 Presentation OFC 2004 Presentation Arrayed Fiberoptics Arrayed Fiberoptics Corporation Corporation Next-generation Fiberoptic Components
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OFC 2004 PresentationOFC 2004 Presentation

Arrayed Fiberoptics Arrayed Fiberoptics CorporationCorporation

Next-generation Fiberoptic Components

Property of Arrayed Fiberoptics Corporation

Electronic, Optic EvolutionElectronic, Optic Evolution

From handcrafted component assembly

TO

Integrated Devices

Property of Arrayed Fiberoptics Corporation

OutlineOutline

• Analysis of current technologies

• Arrayed Fiberoptics Technology

• Products and Applications

• Epoxy-Free Fiber Arrays

• Summary

Property of Arrayed Fiberoptics Corporation

Components for DWDM Components for DWDM NetworkNetwork

Components for DWDM Components for DWDM NetworkNetwork

• Thin film filters• Fiber gratings• AWGs• Diffr. gratings• Interleavers• Mux/Demux

modules

• Isolators• Tap couplers• Pump lasers• Gain equalizers• Integrated

amplifiers• SOAs

• Switches• Attenuators• Circulators• Couplers• Add/drop modules

• Source lasers (CW, DML, EML,Tunable)

• External modulators• Wavelockers• Tx/Rx modules

Arrayed Fiberoptics technology is applicable to many of these devices

Mux/Demux Switching

long fiber (80 Km)

Transmitters Amplifiers

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Fiber ComponentsFiber ComponentsFiber ComponentsFiber Components

Optical

“Heart”

Optical

“Heart”Fiber InterfaceFiber Interface

All fiberoptic components have two parts:

1) Optical “heart” which provides functionality2) Fiber Input/Output interface

Fiber InterfaceFiber Interface

Manufacturing CostManufacturing CostOptical “Heart”~ 15%Optical “Heart”~ 15%

Fiber Interface~ 85%Fiber Interface~ 85%

1) Optical “heart” is only ~15% of the total cost of a fiberoptic component

2) Fiber interface or “packaging” is ~85% of cost

3) Companies have focused on optical “heart” and traditional packaging

Why the high cost?Why the high cost?Why the high cost?Why the high cost?Planar

LightwaveCircuit

PlanarLightwave

Circuit

Fiber ArrayFiber ArrayFiber ArrayFiber Array

WaveguideWaveguide

Micro-OpticsMicro-Optics

GRIN LensGRIN Lens

GRIN LensGRIN Lens

FiberFiber

LensLens

LaserDiodeLaserDiode

All current technology involves individual fiber alignment

Sub-micron alignment is neccessary in many cases

Many expensive piece parts required

Fiberoptic components cost hundreds of dollars each

Property of Arrayed Fiberoptics Corporation

The Breakthrough:The Breakthrough:VFI – Vertical Fiber IntegrationVFI – Vertical Fiber Integration

1. 1. Apply LARGE-SCALE semiconductor manufacturing technologies to fiber alignment

align 2 = align 20,000

2. Bond multiple wafers together to VERTICALLY create high-value 3-D FULLY integrated devices.

3. Passively insert fibers into pre-aligned high-precision sockets after singulation

4.4. Covered by multiple issued and pending patentsCovered by multiple issued and pending patents

The differentiator is full wafer-scale integration

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VFI Process OverviewVFI Process Overview

Wafer Alignment

Bonding

Singulation

Fiber Incorporation

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VFI AdvantagesVFI Advantages

Wafer-scale process dramatically reduces costWafer-scale process dramatically reduces cost

Extremely high precision fiber alignmentExtremely high precision fiber alignment

Inherently produces component arraysInherently produces component arrays

Very compact devicesVery compact devices

High thermal stabilityHigh thermal stability

Inherent hermetic sealingInherent hermetic sealing

Applicable to a wide range of telecom devicesApplicable to a wide range of telecom devices

Property of Arrayed Fiberoptics Corporation

Optical epoxyFiber socket

Silicon

Key ElementsKey ElementsKey ElementsKey Elements

Optical fiber

Glass or Silicon

microlens

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Sample DeviceSample Device

8 channel fiber collimator array Collimator array schematic

A R co a te d m ic ro le n sP rec i s io n a l ig n m e n t

a n d s t ra in re lie f F ib e r

P itc h

F ib e r L e n g th

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VFI Technology Enables:VFI Technology Enables:

High-Precision Fiber ArraysHigh-Precision Fiber Arrays

Epoxy-Free Fiber ArraysEpoxy-Free Fiber Arrays

Fiber collimator / focuser arraysFiber collimator / focuser arrays

Integrated Optical Filter ModulesIntegrated Optical Filter Modules

Integrated Transceiver ModulesIntegrated Transceiver Modules

Variable Optical Attenuator ModulesVariable Optical Attenuator Modules

Optical switchesOptical switches

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VFI TechnologyVFI Technology

““This really is a revolutionary approach to the well-known This really is a revolutionary approach to the well-known problem of alignment and packaging. For the first time, problem of alignment and packaging. For the first time, Arrayed Fiberoptics has introduced the third dimension to Arrayed Fiberoptics has introduced the third dimension to a fiber optic component packaging problem that had hit the a fiber optic component packaging problem that had hit the limits of 2-dimensional architectures.”limits of 2-dimensional architectures.”

-Don Scifres, Chairman of SDL Ventures & former Co-Chairman/Chief Strategy -Don Scifres, Chairman of SDL Ventures & former Co-Chairman/Chief Strategy Officer of JDS UniphaseOfficer of JDS Uniphase

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Near-term ProductsNear-term Products

Fiber Arrays: standard and epoxy-freeFiber Arrays: standard and epoxy-free Extremely precise & stableExtremely precise & stable Keeps epoxy out of optical path Keeps epoxy out of optical path

without altering the attachment without altering the attachment processprocess

Transceiver Array CouplersTransceiver Array Couplers Single chip coupling solutionSingle chip coupling solution Integrated MTP fiber interfaceIntegrated MTP fiber interface Easy hermetic sealingEasy hermetic sealing

Fiber Collimator Arrays (1-D and 2-D)Fiber Collimator Arrays (1-D and 2-D) High coupling efficiencyHigh coupling efficiency Low costLow cost

A R co a te d m ic ro le n sP rec i s io n a l ig n m e n t

a n d s t ra in re lie f F ib e r

P itc h

F ib e r L e n g th

Property of Arrayed Fiberoptics Corporation

High Precision Fiber ArraysHigh Precision Fiber Arrays

Extremely high precision fiber positioning Extremely high precision fiber positioning

Symmetric fiber socket minimizes thermal driftSymmetric fiber socket minimizes thermal drift

Compatible with PM and standard fibersCompatible with PM and standard fibers

Available in pitches of 127um and upAvailable in pitches of 127um and up

PM Fib e r

Sym m e tricSilic o nSub stra te

Ang le Po lish

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Fiber Array AttachmentFiber Array AttachmentExisting ApproachesExisting Approaches

Butt-Coupled with Epoxy in Optical PathButt-Coupled with Epoxy in Optical Path + Simple, low-cost, robust+ Simple, low-cost, robust - Power handling/Aging degradation - Power handling/Aging degradation - Limits choice of high-strength epoxies- Limits choice of high-strength epoxies

Epoxy-Free Optical Path using LensesEpoxy-Free Optical Path using Lenses + Avoids epoxy drawbacks (above)+ Avoids epoxy drawbacks (above) - More expensive: Requires optics - More expensive: Requires optics - Less robust, temperature dependent attachment- Less robust, temperature dependent attachment

Property of Arrayed Fiberoptics Corporation

Arrayed Fiberoptics’ Arrayed Fiberoptics’ Epoxy-Free Fiber ArrayEpoxy-Free Fiber Array

Butt-Coupled with Butt-Coupled with NONO Epoxy in Optical Path Epoxy in Optical Path

++ Simple, low-cost, robust Simple, low-cost, robust

++ Avoids power handling and aging problems Avoids power handling and aging problems

++ Superior alignment/performance Superior alignment/performance

++ Highly reliable temperature-independent Highly reliable temperature-independent attachmentattachment

++ Wide choice of very high-strength epoxies Wide choice of very high-strength epoxies

++ Compatible with your existing designs Compatible with your existing designs

++ Linear or 2-D configurations Linear or 2-D configurations

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Epoxy-Free Fiber Array (EFFA)Epoxy-Free Fiber Array (EFFA)

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Epoxy-Free Fiber Array (EFFA)Epoxy-Free Fiber Array (EFFA)

EpoxyBarrier

FiberSockets

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Existing vs. Epoxy-FreeExisting vs. Epoxy-Free

Epoxy-Free Fiber ArrayExisting Fiber Array

PLC

Epoxy Epoxy

FiberArray

FiberArray

PLC

Epoxy BarriersOptical

Path

FiberFiber

Epoxy-FreeZone

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EFFA SpecificationsEFFA Specifications

ParameterParameter SpecificationsSpecifications UnitsUnits Array Config.Array Config. 1x4 to 2x481x4 to 2x48 ChannelsChannels Angle PolishAngle Polish 0 – 10,+/- 0.30 – 10,+/- 0.3 DegreesDegrees Horiz. AccuracyHoriz. Accuracy < +/- 0.3< +/- 0.3 umum Vert. AccuracyVert. Accuracy < +/- 0.3< +/- 0.3 umum Array PitchArray Pitch ≥ ≥ 127127 umum Variable PitchVariable Pitch YesYes Return LossReturn Loss >55>55 dBdB SubstrateSubstrate SiliconSilicon Op. TempOp. Temp -5 to 70-5 to 70 °C°C

Preliminary specifications

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SummarySummary

Arrayed Fiberoptics technology delivers Arrayed Fiberoptics technology delivers telecommunications components withtelecommunications components with High PerformanceHigh Performance Compact sizeCompact size Very Low CostVery Low Cost High reliabilityHigh reliability

Provides a versatile platform for implementing a Provides a versatile platform for implementing a wide variety of deviceswide variety of devices

Contact us to explore using VFI to revolutionize Contact us to explore using VFI to revolutionize youryour products (West Hall, Tabletop #T7) products (West Hall, Tabletop #T7)


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