Optical Testbed Configurations

The configurations of optical testbeds A and B operated in JGN2 are as follows:

• Optical Testbed A <Western Area>
• Optical Testbed B <Eastern Area>
• Optical Testbed C <Eastern Area>

[Optical Testbed A <Western Area>]

[Hub] Dojima/Osaka; Keihanna

• Optical Fiber: Low-loss SMF (ITU-T Rec. G.652), NZ-DSF (ITU-T Rec. G.655)
• Maximum Field Experiment Environment: 645km based on one way 64.5km loopbacked by 10 times.
• Optical Repeater: C band with Noise Figure, 5.3dB for the best transparency.
• Optical Switch: GSMP 8x8 in order to configure an optical network experimental environment based on a certain GMPLS control protocol by providing GSMP-IF.
• Wavelength Resource Environment: Designed for C band spacing 100GHz for 40 wavelengths.

[Optical Testbed B <Eastern Area>]

[Hub] Otemachi/Tokyo; Tsukuba RC

• Configurations: 3 optical repeaters, Dispersion Compensation and Dispersion slope Compensation Fiber (DCF), Dynamic Gain Equalizer (DGE), Optical Spectrum Analyzer (OSA)
• Optical Fiber: Single Mode Fiber (ITU-T Rec. G.652)
• Wavelength Range: C-band (1535.04 nm – 1565.50 nm) whose optical signals are possibly transmitted.
• Gain Flatness: < 0.5 dB by which WDM optical signals are possibly transmitted.
• Transmission: Super-high speed optical signals and WDM optical signals are possibly transmitted through installation of fibers for dispersion compensation and dispersion slope compensation.
• Experiment Environment: It is possible to flexibly perform experiments through controlling remotely optical repeater amplifiers, etc.

[Optical Testbed C <Eastern Area>]

[Hub] NICT Koganei Headquarters; Akihabara/Tokyo; Otemachi/Tokyo; Tsukuba RC

• Optical Fiber Link: Single Mode Fiber (2 cables) ITU-T Rec. G.652
• Flexible Wavelength Range: C-Band(1535.04 nm-1565.50 nm)
• Gain Flatness of C-Band: < 2.0 dB