Comcore Technologies’ Property Information 1 Introduction of Technologies and Products Dr. Yong Huang Chairman & CEO

Comcore Technologies’ Property Information 2 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Fused Fiber Components for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 3 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Fused Fiber Components for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 4 Fused Fiber Component Concept Signal Management Power Management Wavelength Management Polarization Management Dispersion Management Product Function Summary

Comcore Technologies’ Property Information 5 Fused Fiber Component Concept Power Management -Splitter, Tap, Mixer, Attenuator, GFF, Isolator, Circulator Wavelength Management -WDM, DWDM,CWDM, Interleaver, ADM Polarization Management -PDM, Polarization Controller, Depolarizer Dispersion Management -Dispersion Compensator

Comcore Technologies’ Property Information 6 Fused Fiber Product Concept FusionMicro-Optic/CoatingWaveguideGrating Splitter XXX TapXXX MixerXXX WDMXXXX AttenuatorXX GFFXXX InterleaverXXXX IsolatorX CirculatorX Technologies for producing These Products

Comcore Technologies’ Property Information 7 Fused Fiber Product Concept Coupler Longitudinal Coupling (Coupler) Transverse Coupling (Coupler) Lens Fiber1Fiber2 Fiber1 Fiber2 Product Structures

Comcore Technologies’ Property Information 8 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Fused Fiber Components for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 9 Company’s Essential Technologies 1.Multiple-Functional FFP Workstations 2. Fused Fiber Product Technologies

Comcore Technologies’ Property Information 10 Company Essential Technologies Own Fused Fiber Product Workstations (Model: FFP5000, FFP6000) Sophisticated Mechanical Design Electrical Design 7-Axis Automatic Control Advanced Process Control

Comcore Technologies’ Property Information 11 Company Essential Technologies Superfusion TM Technology Unifusion TM Technology Microbend TM Technology Combination of The most advanced manufacturing process

Comcore Technologies’ Property Information 12 Highlight of Fabrication: Superfusion TM Technology Normal ProcessComcore Tech’s process Stick togetherFully-fused together Heating Temperature: around 1000C around 1700C

Comcore Technologies’ Property Information 13 Highlight of Fabrication: Superfusion TM Technology Cross-sectional Shape in Package

Comcore Technologies’ Property Information 14 Highlight of Fabrication: Superfusion TM Technology

Comcore Technologies’ Property Information 15 Product Features 1. The structure of coupling region is very strong, the cross-sectional shape looks like a twin core fiber. 2. Optical characteristics of devices are, relatively speaking, insensitive to surrounding environment. 3. Very small twisted effect due to almost circularly symmetric structure of cross-section. 4. Eliminate micro-cracks on the surface of fibers included in non-coupling and coupling region of coupler to protect the moisture enters these micro-cracks and proliferates them, causing coupler degradation and ultimate failure. 5. Improve polarization dependent loss. Superfusion TM Technology

Comcore Technologies’ Property Information 16 Unifusion TM Technology Highlight of Fabrication Process For making Monolithically-Fused Fiber Broadband Splitters such as 1x3, 1x4, 1x8 Splitters

Comcore Technologies’ Property Information 17 Unifusion TM Technology No Pre-Tapered Fibers High Reliability Low PDL Compact Packaging Size Single Fusion Region for 1xN Splitters Product Features : Narrowband:+/-10nm, Broadband:+/-40nm, Two Windows:1310 &1550+/-40nm

Comcore Technologies’ Property Information 18 Fused Fiber Products COMCORE % 1% 1x3 1:98:1 Taps 98% Unifusion TM Technology

Comcore Technologies’ Property Information 19 Fused Fiber Products COMCORE % 33% 1x3 33:33:33 Splitter 33% Unifusion TM Technology

Comcore Technologies’ Property Information 20 Fused Fiber Products COMCORE % 49% 1x3 49:2:49 Tap 2% Unifusion TM Technology

Comcore Technologies’ Property Information 21 Fused Fiber Products COMCORE % 25% 1x4 25:25:25:25 Splitter 25% Unifusion TM Technology

Comcore Technologies’ Property Information 22 Microbend TM Technology Highlight of Fabrication: High Return Loss for 1x2 Configuration

Comcore Technologies’ Property Information 23 Microbend TM Technology Regular Termination Process >50dB for Short-Term, unstable Comcore’s Termination Process >60dB for Permanent, stable UV glue Glue-free

Comcore Technologies’ Property Information 24 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Component Structures for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 25 Component Structures for Sensing Systems 1x2 Splitter 2x2 Mixer Tap (  10%) 1. Two-fiber based components a. Configuration and Function

Comcore Technologies’ Property Information 26 Component Structures for Sensing Systems 1. Two-fiber based components b. Phase difference and output power Where a(0) is amplitude of modal field at Z=0 ( initial condition). When

Comcore Technologies’ Property Information 27 Component Structures for Sensing Systems 1x2 Splitter 2. Three-fiber based components(Structure1) Configuration and Function a. Configuration and Function StructureStructure No-PDL 1x2 Broadband 50:50 Splitter (<0.01dB)

Comcore Technologies’ Property Information 28 Component Structures for Sensing Systems 1x3 Splitter 2. Three-fiber based components(Structure1) Configuration and Function a. Configuration and Function StructureStructure

Comcore Technologies’ Property Information 29 Component Structures for Sensing Systems 1x3 Splitter 2. Three-fiber based components Typical wavelength response b. Typical wavelength response

Comcore Technologies’ Property Information 30 Component Structures for Sensing Systems 3x3 Mixer 2. Three-fiber based components (Structure2) Configuration and Function a. Configuration and Function

Comcore Technologies’ Property Information 31 Component Structures for Sensing Systems 1x4 Splitter 3. Four-fiber based components(Structure1) Configuration and Function a. Configuration and Function

Comcore Technologies’ Property Information 32 Component Structures for Sensing Systems 4x4 Mixer 3. Four-fiber based components(structure2) a. Function and structure

Comcore Technologies’ Property Information 33 Component Structures for Sensing Systems 1x4 Splitter 1x5 Splitter 4. Five-fiber based components Structure Configuration and Function a. Configuration and Function

Comcore Technologies’ Property Information 34 Component Structures for Sensing Systems 4. Five-fiber based components b. Typical wavelength response of 1x4 broadband splitter

Comcore Technologies’ Property Information 35 Component Structures for Sensing Systems 1x7 Splitter 5. Seven-fiber based components SM MM

Comcore Technologies’ Property Information 36 Component Structures for Sensing Systems 1x8 Splitter 6. Nine-fiber based components a. Configuration and Structure

Comcore Technologies’ Property Information 37 Component Structures for Sensing Systems 6. Nine-fiber based components b. Output power versus pulling length

Comcore Technologies’ Property Information 38 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Component Structures for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 39 Results of Damp Heat Test for 1x2 Splitter Fused Fiber Component Reliability Comcore Technologies (85°C/RH85%)

Comcore Technologies’ Property Information 40 Results of Damp Heat Test (85°C/85% RH) Fused Fiber Component Reliability A Competitor Fiber Optics’s Results in Two Different Package Condition only for Output Port1 for 3-dB Splitter

Comcore Technologies’ Property Information 41 Fused Fiber Component Reliability  PDL with Damp-Heat Testing Time at Port2 for 1550nm 50:50 1x2 Splitter (85°C/RH85%)

Comcore Technologies’ Property Information 42 Fused Fiber Component Reliability  PDL with Damp-Heat Testing Time at 5% Port for 1550nm 95/5% 1x2 Tap (85°C/RH85%)

Comcore Technologies’ Property Information 43 Results of Damp Heat Test (85°C/85% RH) Fused Fiber Component Reliability Top Management Team of Famous Company and Dr. Huang

Comcore Technologies’ Property Information 44 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Component Structures for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 45 Manufacturing Capabilities and Capacities 1.Flatness / Uniformity for Insertion Loss 2.Flatness / PDL/ Bandwidth 3.Polarization Dependent Loss 4.Ultra-High Reliability

Comcore Technologies’ Property Information 46 Manufacturing Capabilities and Capacities Production Line 18 Own Workstations: FFP5000 and FFP6000

Comcore Technologies’ Property Information 47 Manufacturing Capabilities and Capacities For Non-Communication System Applications Product NameKey Spec.Qty Ultra-High Reliability 1x2 Splitter/2x2 Mixer (80um, 125um fiber) >25 years lifetime2000 Ultra-High Reliability 1x3 Splitter (80um, 125um fiber)>25 years lifetime1500 Ultra-High Reliability 3x3 Mixer (80um, 125um fiber)>25 years lifetime1000 Single-Fusion 1x4/4x4 Single Mode SplitterIL max <7.0/7.5 dB500 Single-Fusion 1x7 Multimode Splitter (100/140um fiber)IL max <11dB200 Single-Fusion 1x8 SplitterIL max <21.0 dB100

Comcore Technologies’ Property Information 48 Introduction of Technologies and Products Passive Component Functions Company’s Essential Technologies Component Structures for Sensing Systems Fused Fiber Component Reliability Manufacturing Capabilities and Capacities Development Trends of Fused Fiber Products

Comcore Technologies’ Property Information 49 Trends of Fused Fiber Components For Non- Communication Systems PDL-free Ultra-High Reliability Ultra-flattened Response Performance:

Comcore Technologies’ Property Information 50 Trends of Fused Fiber Components For Non- Communication Systems Multi-Mode Optical Fiber Single Mode Optical Fiber Polarization-Maintaining Fiber No-Core Optical Fiber Different Material:

Comcore Technologies’ Property Information 51 Trends of Fused Fiber Components For Non- Communication SystemsFeatures: Cost: Reduction Function: Integration Product Size: Miniature