Pump Laser: MicroSwiss Erfolgsgeschichte. Norbert Lichtenstein, July 2009

Transcription

1 Pump Laser: MicroSwiss Erfolgsgeschichte Norbert Lichtenstein, July 29

2 Oclaro Company Overview Founded in 1988, Headquarter in San Jose, CA Public, NASDAQ traded company Approx. 3 employees Acquisitions-Mergers: Marconi and Nortel optical components in 22 Cierra Photonics and Ignis Optics in 23 New Focus and Onetta in 24 Avalon in 26 Bookham rebranded as Oclaro on April 27, 29, following its successful merger with Avanex Corporation Products & solutions for telecom and industrial&defense photonics Telecommunications Optical Components Advanced Photonics Solutions High Power Laser Diodes, VCSELS, & Optomechanical Systems (NewFocus) Company Confidential 2

3 Global Presence and Flexible 24/7 Company Asia Manufacturing Hubs - Shenzhen: HPL Assembly + Test Asia Design Centre North America Headquarters Amplification, Filters, Dispersion Compensation, Photonics Tools (NewFocus), and ROADM Transmission Design Centers Europe III-V Laser and Modulator Fabs - Zurich: GaAs Pump Chip Fab - Caswell: InP Wafer Fab Transmission, Pumps Lasers, and Amplifier Design Centers Cost Optimized and Global Engineering Teams Flexible and De-Risked Manufacturing Infrastructure Fabs for Leading Chip-level Innovation Company Confidential 3

4 Advanced Photonic Solutions Division Advanced Optical Solutions for green applications High Power Laser Diodes for Industrial applications: Environmental-friendly manufacturing Low power / polarized VCSEL: Energy consumption in battery driven PC pointing devices RGB display & projection: Resource saving (printing) High Power Lasers & VCSELs High Power Laser Diode Bars Photonics Tools and Filters Lasers & Accessories Optomechanics Expansion of Portfolio Announced to acquire Spectra Physics High Power Laser Diode Business in exchange to New Focus Expected to form largest merchant supplier of high power laser diodes Single Mode Single Emitters Multi Mode Single Emitters Optoelectronics OEM Solutions VCSELs Filters Company Confidential 4

5 Bookham Switzerland AG Bookham Switzerland AG Binzstrasse Zurich Switzerland Employees: 17 Size: 116,585 sqft Key Products High power 79-17nm multimode laser diode bars and single emitters 98 nm single mode pump laser diodes VCSELs History Beginning: breakthrough in the reliability of 98nm pump laser diodes at IBM Zurich in 1987 using E2 facet passivation technology Today: Development and high volume manufacturing of high power laser diodes with highest brightness and reliability Owners: IBM we add Lase value r Ente to rprise your product EDFA Company Confidential 5

6 98 Chip Development / Telecom G8 (24) ex-facet light output power (mw) P-side up mounted 25 C G5 (1999) G3 (1996) G7 (22) G6 (2) 3.6mm injected current (ma) Company Confidential 6

7 1 Years ago

8 Market Drivers

9 Market $B Optical Amplifier Forecast SOA CAGR: 49.% Raman 4 CAGR: 64.7% EDFA $B Pump Module Forecast Raman 148nm 98nm Actual Source: CIBC World Markets and Industry Sources

10 MicroSwiss Technology leadership requires investment Difficult in downturn as well as in boom times Funding MicroSwiss PE48: Funding of technology development Entwicklung der Prozess- und Montagetechnologie für Hochleistungs-Halbleiterdioden Targeting alternative products & markets Diode MM Pumps for Fiber laser & amplifier Diode Bar Pumps for solid state laser pumping Assembly process for efficient heat removal Company Confidential 1

11 High Power Laser Diode Markets Markets that we address Materials Processing Medical / Analytical Printing and Graphics Art Defense / Homeland Security Laser diode technology to enable Fiber Lasers Solid State Lasers (Rod&Disk) Direct Diode Applications Frequency Conversion Company Confidential 11

12 Components for Fiber Lasers 25W out of a 15µm fiber.15na Multiple single emitters inside Prototypes with 4W and more 1W out of a 15µm fiber.15na at 9xxnm 14W out of 2µm fiber at 94nm 2W at 793nm out of a 15µm fiber For Thulium pumping Up to 75mW telecom grade single-mode pumps 1W peak power wavelength stabilized seed 164nm and 13nm wavelengths 8-1mW 1.5µm DFB seed Most complete portfolio of active components for your Fiber Lasers Company Confidential 12

13 Components for Direct Diode Lasers 15W - 2W Bar on Microchannel Cooler Highest commercially available power Wall plug efficiency up to 68% 5 wavelengths available 8W VHB Bar on Microchannel Cooler 3.2mm Aperture 5 wavelengths available 8-1W Bar on passive Cooler Fill Factor 2%- 3% 4 wavelengths available Polarization & wavelength combiners Wavelength combiner non-polarizing High transmission Widest portfolio of components to build your Direct Diode System Company Confidential 13

14 Components for DPSS Lasers Linear arrays at 88nm 4 and 6 bar arrays readily available Up to 12bars custom solutions 1W 5%FF Bar on Microchannel Cooler 79x, 88nm Highest commercially available power 6W 3%FF Bar on Passive Cooler Fill Factor 2%- 3% 793, 88nm Multimode Single Emitters 88nm 4W/7W Chip on Submount, C-Mount 3W/6W out of a 15µm / 2µm fiber Multi-emitter 88nm Modules 3W/6W out of a 15µm / 2µm fiber Prototypes with 3W from a 2µm fiber Company Confidential 14

15 Printing Medical/Analytical - Defense Analytical and medical 25mW 976nm CW SHG Pump for frequency conversion 1W pulsed 164/13nm Narrow Band FBG pumps 2W single emitters and 3W bars at 147/15xxnm Defense and homeland security 14/15xx nm multimode single emitters and bars Up to 1mW 1.5µm DFB Lasers Graphics Art and Printing 2W 83nm 4µm fiber / 3W 94nm 5µm fiber MM Single Emitters 88nm Single and MM Lasers Company Confidential 15

16 Fiber Amplifier: 16 Seed & MM Pump Multi-mode pumps Fiber laser output optic Single Mode Pump Seed laser ~16nm Many fiber lasers are based on a master laser diode and a fiber amplifier Lower cost More freedom to define spectrum Ease of modulation Company Confidential 16

17 Pump Development 2 T HS = 25ºC.6 T HS = 25ºC power (W) BASE 3 BASE 4 BASE conversion efficiency.4.2 BASE 3 BASE 4 BASE current (A) current (A) Continuous improvement of maximum power and conversion efficiency at Pmax BASE 5: ex-facet power of 2 W at I op = 22 A, T hs = 25 C WPE max = 63%, WPE 2W = 5% Company Confidential 17

18 Roadmap light output power (W) Q-CW: 2 ms, 1%DC 8 CW injection current (A) Power (W) or Voltage (V) P 25 C V 25 C PCE 25 C Current (A) PCE (%) 7xx/8xx nm 14xx/15xxnm Scalability in wavelength range 78-11nm and um 88nm: >1W CW with high optical robustness 15nm: >2.5W with good temperature stability Direct diode or Thulium fiber laser Eye-safe material processing Company Confidential 18

19 Design for Brightness Constant Radiance: it s not possible to increase radiance by combining radiation of several uncorrelated but otherwise identical sources Consequences: Engineering to maximize efficiency from electrode to work piece: Brightness, coupling efficiency, wallplug efficiency and cost Maximise fiber coupled power prior to fiber combining Company Confidential 19

20 Expected FC Power from 15um Fiber Brightness increase in fiber by multiplexing Geometrical (multiple emitter): >1x Polarization multiplexing: 2x (Dense) wavelength multiplexing: >2x Company Confidential 2

21 1W 15um MM Uncooled Module Module Improved chip with 9um stripe Hermetic 2-pin TO-258 package.15na or.22na 15um fiber Floating anode/cathode Output Power (W) P-I -V Curves of.22/.15na Electro-Optical Power: <12A Wavelength: 915, 94, 96, 975nm Slope Eff.: 1W/A Wallplug Eff: 48% Op. Temp: 15 to 6ºC C 35 C 25 C C Injection Current (A) Chip Lifetest Curves at 15A, 15C: Reliability More than 3h chip and module lifetest data available Failure Rate: <5kFIT Company Confidential 21

22 25W 15µm Multi-Emitter MM Module Module 3 single emitters inside 2-pin package.15na or.22na in 15µm fiber Floating anode/cathode Hermetically sealed Additional functionality: 16nm blocking filter included Electro-Optical Power: 25W Current: 11A Wavelengths: 915, 94, 96, 975nm 164 isolation: >35dB ex-fiber output power (W) P-I -V Curves of.15na 3-Emitter Module: T HS : 1 1 C 2 15 C 5 25 C 1 4 C current (A) Module Lifetest, 25C: wall-plug efficiency (%) Company Confidential 22

23 High Power Laser Bars 5 T Heatsink = RT Industry Leader Light Output Power (W) Power, Brightness, Reliability Enabling new technologies Direct Diode Systems: 3mm mrad (6um.1 NA) Bar Geometries mm x 1 mm mm x 1 mm Injection Current (A) 3.6 mm x 1 mm Company Confidential 23

24 Next Gen (G3) 88 nm Bars BAC6C-88-2: 5% FF, 1.2 mm cavity Next generation 5% FF bar: 1.8 mm cavity BPC4C-88-1: 3% FF, 1.2 mm cavity Next generation 3% FF bar: 1.8 mm cavity Power [W] C,.33l/min Current [A] High Fill-Factor Design (5%) 59% PCE at 11W, 58% at 14W 16W power for 15A drive current Forward Voltage [V] Power Conversion Efficiency Power [W] Current [A] Company Confidential Low Fill-Factor Design (3%) 59% PCE at 8W, 56% for 91W Forward Voltage [V] Power Conversion Efficiency 91W power for 9A drive current Industry leading efficiency, power and reliability

25 9xx Optimized Conversion Efficiency Power [W] C,.33l/min Current [A] Forward Voltage [V] Power Conversion Efficiency (PCE) Optimized conversion efficiency 2.4mm cavity length 68% PCE for 12W output power 28W peak power, limited by roll-over Reliability test at 23A/22W Hard pulsed test condition (-23A) Degradation rates <1% per 1h Relative Power A/22W, 1.5Hz, 5% duty cycle Laser Diode Bulb Lamp PCE 68% 5% Time on Test [h] Light 12W 12W Heat 56W 228W Company Confidential 25

26 9xx Power Scaling Power [W] mm wide 98nm 2W bar 3.2 mm wide 12nm VHB bar Current [A] 25 C,.33l/min Forward Voltage [V] Power Conversion Efficiency (PCE) Power [W] C,.33l/min Current [A] Forward Voltage [V] Power Conversion Efficiency (PCE) Design for maximum power 66% at 2W 6% at 3W Low smile: <2um => First 2W commercial product Reduced aperture for high brightness PCE: 66% at 8W Peak output power 12W Low smile: <1um => equivalent of 3W full size bar => Wavelength extension (12, 16) enabling further power scaling in WL multiplexed Direct-Diode Systems Company Confidential 26

27 14/15xxnm 3W BAC Prototype 4 147nm 18%FF Prototype on MCC (CW) 2. 1 Pulsed measurement, DC 1%, 2µs Power (W) Voltage(V) P-I curves at 25C: Power (W) Forward Voltage [V] P o w e r (W ) Current (A) Current (A) Company Confidential 27

28 976nm Narrow Band SHG Pump Mechanical Cooled Butterfly package Polarization maintaining fiber Narrow band FBG P-I and noise curves of SHG pump: Application Second Harmonic Generation (SHG) Pump (e.g. blue lasers) Performance Power: typ. 3mW Wavelength: 976nm Bandwidth: <1 pm Noise: <.25% RMS (1-25mW) Power (normalized) Spectrum of SHG Pump W a v e le n g th (n m ) Company Confidential 28

29 16nm / 17nm Module without FBG Mechanical Cooled Butterfly package Polarization maintaining fiber Pulsed PI Data (2ns up to 5A (.2 % d.c.): Application 1xxnm Module for Pulsed Fiber Laser Applications Electro-Optical CW Power: 4mW CW Currently: <75mA Wavelength: 16nm or 17nm Efficiency: >55% Pulsed Reliability Data: 2ns 2A Pulses Reliability Qualified for industrial applications Pulsed data: up to 5A 2ns PI 1hrs lifetest up to 2A 2ns and 4hrs up to 3.5A 2ns available Company Confidential 29

30 164nm Module with Broadband FBG Device Cooled butterfly package Polarization maintaining fiber Short distance broadband FBG (<2cm FBG to lens distance) NEW Pulsed Shapes: 1ns Pulses Application Pulsed Fiber Laser Applications Target Pulse Performance Peak Power: <2A Pulse: 5-1ns; <5kHz Wavelength: 164nm Spectral Width:.9nm (<2nm) (pulsed) Reliability Qualified for Industrial Applications Pulsed Spectrum: 1ns Pulses, 25C 2dB: ~3.5nm 3dB: ~.9nm Company Confidential 3

31 1xx nm Module with Narrow Band FBG Device Cooled butterfly package with PM fiber Short distance narrow band FBG (<2cm FBG to lens distance) NEW Pulse performance of 164 NB FBG module Application Pulsed Frequency Conversion Applications Pulse Performance Peak Power: <2A at <1.5A at 13nm Pulse: 5-1ns; <5kHz Rise-time: <2ns Wavelength: 13 or 164nm Spectral Width: <.3nm (pulsed) Typical CW Spectrum of 13nm Module with narrow band FBG Reliability Qualified for Industrial Applications Company Confidential 31

32 1.5µm DFB Module NEW Device Cooled Butterfly package ITU grid wavelengths 8-1mW output power Pulsed PI Data of 1.5µm DFB Laser (1us) Application Seed Laser Module for Eye Safe Pulsed Fiber Laser Applications Electro-Optical CW Power: 8-1mW Wavelength: nm Linewidth:.3MHz RIN: <-15dB/Hz Isolation: >25dB Pulsed Reliability Data: 2ns 2A Pulses Company Confidential 32

33 Summary High power laser diodes represent highly efficient light sources New and environmentally friendly applications enabled Roadmap for brightness >1W from 15um fiber Success story for technology funding Company Confidential 33

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