400G DR4 SiPh Tx-PIC

✔　400G DR4 Tx-PIC total loss1 ≤ 12.5dB, 1 laser supplies 4 lanes of MZMs, working wavelength range 1311 ± 6.5nm.

✔　Si MZM 3dB EO bandwidth ≥ 35GHz @ PN junction bias voltage = 2V.

✔　Si MZM modulation efficiency Vpi ≤ 6.0V @ PN junction bias voltage = 2V.

✔　Si thermo-optic phase shifter with power efficiency Ppi ≤ 10mW, heater resistance R = 120ohm.

✔　Integrated Ge monitor photodiodes, with responsivity ≥ 0.95A/W and dark current ≤ 50nA @-1V.

✔　Compliant for both oDSP direct-drive and LPO applications.