Tamar
The ‘Tamar’ is an 800Gbps Photonic Integrated Circuit (PIC) chip, supporting two transmit channels of 400G-FR4, and utilizing 100Gbps per each of its eight optical lanes. It is based on Silicon Photonics (SiPho) technology and includes eight low-loss Mach-Zehnder Modulators (MZMs), two athermal low-loss integrated muxes, low speed phase shifters, and power monitors.
About this product
- Small footprint silicon photonics transmit-side PIC
- Low-loss athermal integrated mux
- Superior link budget due to low modulation insertion loss
- Designed for external lasers; can close link budget with 40mW laser source per wavelength
- Modulators are continuously self-calibrated using integrated power monitors
- TEC-less operation using DustPhotonics’ self-calibration algorithm
- 90 Ω typical differential input impedance
Optical Interface
2xFR4 (8X100G)
Data Rate
800G
Integrated / External Laser
External
Engine / Chip
Chip
Applications
800G-2XFR4 for QSFP or OSFP up to 2km
Fully retimed (DSP) for FRO, LRO and LPO applications
PIC die dimensions
5.5 mm x 5.4 mm
Laser Inputs
4
Optical Outputs
2
Coupling Type
Fiber butt coupling
External Laser
4 × 40mW class laser sources (one per wavelength)
DPSP-812FR4-0BC
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