Vertically Integrated Center for Technologies of Optical Routing toward Ideal Energy Savings (VICTORIES)

Transcription

1 Vertically Integrated Center for Technologies of Optical Routing toward Ideal Energy Savings (VICTORIES) Hiroshi Ishikawa Network Photonics Research Center National Institute of Advanced Industrial Science and Technology (AIST) 1

2 Outline Background Network traffic and router power consumption in video concentric era Dynamic optical path network (DOPN) Video distribution demonstration and verification of low power consumption Silicon-photonics based matrix switch Switches being developed Next demonstration plan Silicon-photonics Foundry at AIST 2

3 Internet traffic and router power consumption in Japan Router power consumption (x kwh) Total generation (2007) 1.71Tb/s(H22.11) Video contents orders of magnitude reduction ,000 10,000 1,000 Total internet traffic (Tbps) 3

4 Data granularity and network type Session number Traffic IP network Dynamic optical path network Small Twitter Mail Web Low-definition TV Data granularity HD-TV Ultra-HD-TV (compression) Large Ultra-HD-TV Data-center backup 4

5 Granularity and suitable networks Packet switch (IP router) IP Packet network Granularity of traffic control: small Mail, Web, Twitter 6kW/Tbs Web (Storage) server 5 Circuit switch (OXC) Optical path network Granularity of traffic control: large HD video 1W/port

6 Organization of VICTORIES project (Since July 2008, renewed 2011) Vertically Integrated Center for Technologies of Optical Routing toward Ideal Energy Savings Network Architecture Study Group in collaboration w/ Nagoya Univ. (Prof. K. Sato) AIST Network-Application Interface Information Technology RI 6 Dynamic node NTT Multiple granularity, Wavelength routing Network Photonics RC Optical Path Conditioning Optical path processor NEC, Fujitsu, Sumitomo Electric Optical TDC, Adaptive Path Control Network Photonics RC Furukawa Electric, Trimatiz, NEC, Fujikura, Alnair Laboratory. Large scale silicon photonics SW Wavelength selectable SW Network Photonics RC Nano Electronics RI Nano Device Center Fujitsu Lab. NEC, Frukawa Electric, Hitachi-Cable Contents コンテンツ要求 requests Delivery 配信コーディネータ Coordinator ストレージ等 Storage ネットワーク資源 Network Manager 資源管理 Manager 管理 ダイナミック Dynamic Optical 光パス ネットワーク Path Network Optical Switches 光スイッチ回路 制御 ドライバ回路通信ポート Driver Circuits High Speed Technology 高速化技術 Waveguide Switch / Modulator 導波路型スイッチ 変調器

7 Demonstration experiment on Aug collaboration with NICT and NHK(NEDO) (NICT) Koganei (NICT) Otemach AIST DOPN (AIST) Akihabara JGN2 Optical path-conditioning Plus Frukawa Electric., File exchange Trimatiz, NEC Optical path switches Silicon photonics Fujitsu Labs, NEC HD-TV seerver HD-TV Server 100 km fiber path HD-TV server Interface UHD-TV NICT Optical packt/path JGN2 Plus UHD-TV server Network application Interface UHDTV(NHK, NEDO project) NTT 7 Upper; O-packet Lower: O-path NICT SW Electric packet Optical packet Optical path AIST SW

8 Si-photonic switches used in demonstration 4 x 4 TO SW by AIST Plasma SW by Fujitsu Labs Input mW/SW, Response 40µs Output 1.5mW, Response below 1ns 1.5 V Photograph of SW module 8 8

9 Demonstration of DOPN 9

10 Summary of DOPN demonstration Power consumption was 1.2KW for average bit rate of 9Gb/s(1, 10, 43Gb/s). Only two Si-photonics SW was used. If all switches were Si-Photonics, power consumption would be around 0.15KW. In DOPN, power consumption does not depend on the bit rate, while that of IP routing is proportional to the bit rate. Then at higher bit rate drastic power reduction is feasible. 3-4 orders of reduction of power consumption can be done by optical path technology 10

11 Dynamic node Multi-granularity optical path Sub-wavelength path Wavelength path Fiber path Sub-wavelength path 1GE ODU 10GE ODU 10GE ODU OTN OTN λ path λ path Fiber path Dynamic node for Multigranularity data 1Gb/s~a few 100Gb/s Control I/F ODU SW Wavelength Selective SW 100Gbit/s~ Matrix SW Fiber path AIST, NEC, Fujitsu, Sumitomo Electric WSS L2 WSS Transponder ODU- SW 10~100 Gbit/s Wavelength path Optical switch Electric switch 1~10 Gbit/s Sub-wavelength path 11

12 Resource management for multi-granular traffic Network resource management for different granularity data using ODU/Wavelength/Fiber layer switch including interlayer switching Fiber switch layer Wavelength switch 12 ODU Electric layer switch

13 Optical path conditioning (1) Dynamic dispersion compensation (AIST, Furukawa Electric, Trimatiz, Fujikura, Alnair Lab. ) Path change Parametric dispersion compensation S. Namiki, OFC2008 OWP1 S. Namiki, JLT, 26, p. 28, K. Tanizawa, ECOC2012 TX FWM (2) Efficient transport Path-SW Automatic compensation (AIST, Fujitsu Labs., Furukawa Electric, Alnair Lab. ) Dispersion Tunable dispersion Path multiplexing Demutiplexing High density fiber Waveform monitoring 13 13

14 Path processors being developed in VICTORIES Path switches for multi-granularity data ODU switch: LSI switch for 1Gbps-10Gb/s WSS: For efficient use of wavelength resources Si-photonics matrix switch: Large scale matrix switch for path routing Fiber array Optical SW Control circuit WSS (1xN, N x M) AIST, Hitachi Cable Image of path-processor by Siphotonics AIST, Fujitsu Labs., NEC, Furukawa Electric 14

15 Low cross talk switch with a new waveguide cross 2 2 switch MZI1 A B MZI2 Intersection MZI3 B MZI4 Y. Shoji et al., Optics Express, 18, 9071 (2010) Transmittance (db) db In-A to Out-B In-B to Out-B wavelength (nm) 4 4 switch mm Crosstalk: < db Insertion loss along main paths dB (Incl. coupling loss of 6dB) PILOSS 16 MZs, 9 intersections Designed for TM(-like) pol. 15 TO phase shifters

16 Toward large scale matrix switch 8 x 8 switch consists of 64 MZIs is now being evaluated. N x N switch requires the followings. Testing: N! states have to be checked. Test equipment is being developed Wiring: 2N 2 electrodes have to be wired. Circuit board for expanding electrodes for wiring is being developed. Fiber coupling: N fibers have to be coupled at input and output facets. Spot-size converter and fiber aligner are being developed. Target : 32 x 32 switch by

17 Matrix switch controller Si-chip Optical: Butt-joint to high (2.5%) fiber array with coupling loss of 3 db/port Heater control: via 32 DACs (12 bit ) by PC Electrical: 44 pads for 32 heaters 17 17

18 Technologies being developed MOSFET integrated MZI switch Next plan Introducing the latch circuit and automatic controller for balancing the MZI. Application to the p-i-n type MZI switch. Polarization insensitive switch Diversity configuration switch is now under development. This includes waveguide cross for TE and TM and polarization insensitive spot size converter. 18

19 Plan (3year,7years,10 years) So far; NTT, Fujitsu Labs., Furukawa, Trimatiz, NEC New companies joined since 2011: Fujitsu, Fujikura, Hitachicable, Alnair Lab., Sumitomo Electric 20 Network Architecture Network application interface Dynamic Node Optical path conditioning Optical path processor Basic design Video contents distribution Verification of principle (>1THz, <1ms) Prototype switch (4x4) (40mW/SW) Demonstration of optical path Architecture for 30 million subscriber with 100Gb/s line rate Wide area storage and network control Efficient dynamic node (Multi-granularity, wavelength electric SW) Automatic path conditioning(<1ms) Mutiplexing for efficient use of fiber 32x32 intelligent matrix SW Directionless, colorless WSS Wide area demonstration of optical path network Demonstration at Tsukuba area

20 DOPN demonstration scheduled in 2014 Objective Verification of the usefulness of the DOPN for multigranular traffic and its ultra-low power consumption. Switches to be used ODU switch for smaller granularity data Silicon photonics switches 8 x 8 switches, and 32 x 32 switch Small port number polarization insensitive switch A few MOSFET integrated switches WSS and ROADM (Hino et al., ECOC2012 Tu.3A.5) for wavelength routing 20

21 AIST Launching 300mm Foundry Shuttle Services in Japan AIST announced the Silicon Photonics Shuttle Service launch in May INC8. Competency Building Block is 45nm CMOS process featuring Immersion ArF Lithography. Core Competency Building Blocks, AIST SCR SCR holds cutting edge facility, knowledge and partnership in JPN. Lithography Roadmap against the CD Control 21

22 22 Summary Video concentric era requires huge capacity network. DOPN can realize huge capacity network with ultra-low energy consumption as verified in the demonstration experiment with NICT and NHK. Silicon-Photonics plays a major role in the DOPN, and large scale matrix switches are under development Demonstration of DOPN for multi-granularity data are being planned. AIST started the silicon-photonics foundry shuttle service.