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Non-blocking AWG-based OBS node. Jean Jennen Bell Labs Europe. Output port. λ 1. λ 2. λ 3. λ 4. λ 5. λ 6. λ 7. λ 8. λ 9. λ 10. λ 11. λ 12. 1. 2. 3. Input port. 1. 1. 2. 3. 1. 2. 3. 1. 2. 3. 1. 2. 3. Input port. 1. λ 1. λ 4. λ 7. λ 10. λ 2. λ 5. λ 8. λ 11.
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Non-blocking AWG-based OBS node Jean Jennen Bell Labs Europe Lucent Technologies – ProprietaryUse pursuant to company instruction
Output port λ1 λ2 λ3 λ4 λ5 λ6 λ7 λ8 λ9 λ10 λ11 λ12 1 2 3 Input port 1 1 2 3 1 2 3 1 2 3 1 2 3 Input port 1 λ1 λ4 λ7 λ10 λ2 λ5 λ8 λ11 λ3 λ6 λ9 λ12 2 2 3 1 2 3 1 2 3 1 2 3 1 2 λ3 λ6 λ9 λ12 λ1 λ4 λ7 λ10 λ2 λ5 λ8 λ11 3 3 1 2 3 1 2 3 1 2 3 1 2 3 λ2 λ5 λ8 λ11 λ3 λ6 λ9 λ12 λ1 λ4 λ7 λ10 NxN cyclic AWG NxN cyclic AWG Rearrangeable non-blocking, two-stage architecture Combiner Combiner l l - Demux - Demux 1 1 1 1 M M 1 1 M M 1 1 N N M M Tunable wavelength converter Tunable wavelength converter Lucent Technologies – ProprietaryUse pursuant to company instruction
λ1 λ2 λ3 λ4 λ5 λ6 λ7 λ8 λ9 λ10 λ11 λ12 Input port 1 3 2 2 1 1 3 3 2 1 3 2 2 2 3 3 1 1 2 2 3 1 3 1 2 2 3 3 3 3 3 2 2 1 2 1 1 1 1 Stage 1 Output port λ1 λ2 λ3 λ4 λ5 λ6 λ7 λ8 λ9 λ10 λ11 λ12 1 2 3 NxN cyclic AWG NxN cyclic AWG Stage 1 Output port 1 3 3 1 2 3 2 2 1 2 1 1 3 Input port 1 1 1 3 1 2 2 1 3 2 1 4 1 1 5 1 1 6 3 1 7 3 1 8 2 1 9 1 1 10 3 1 11 2 1 12 2 2 9 3 2 10 1 2 11 2 2 12 2 2 3 1 3 1 3 2 2 3 1 2 2 1 2 2 4 1 2 5 2 2 6 2 2 7 3 2 1 3 2 2 3 2 3 1 2 8 1 3 1 3 3 8 2 3 11 1 3 12 1 3 3 3 1 2 3 3 2 1 2 1 1 2 3 3 3 3 3 4 3 3 9 1 3 10 1 3 2 3 3 5 2 3 6 2 3 7 1 λ1 λ2 λ3 λ4 λ5 λ6 λ7 λ8 λ9 λ10 λ11 λ12 1 1 1 1 1 1 1 1 1 1 1 1 1 Stage 2 Output port 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 Example routing scheme for N=3 and M=12 Combiner Combiner l l - Demux - Demux 1 1 1 1 M M 1 1 M M 1 1 N N M M Tunable wavelength converter Tunable wavelength converter Lucent Technologies – ProprietaryUse pursuant to company instruction
D23 Contribution • AWG-based OBS node architecture • Rearrangeable non-blocking concept • Description of two-stage approach • Example to demonstrate operation (N=3, M=12) • Scalability and upgradeability • 2N·M wavelength converters, 2 NxN AWGs • Upgradeable from 1x1 to NxN cross-connect • First install 2 NxN AWGs, 2N demultiplexers (M wavelengths), and 2N combiners • Cascadeability issues • Fysical aspects to be studied by HHI • Comparison with B&S architectures • To be performed using architectures from D16 as reference Lucent Technologies – ProprietaryUse pursuant to company instruction
