Althought the mechanics of transferring POET’s share of SPX’s profit to POET are still unclear (to us) and numbers are still missing, it is good to read the following:

At present, the company's 100G CWDM4 transmitter (Tx) and receiver (Rx) optical engines have been mass-produced ; 400G/800G receiver (Rx) optical engines have also entered mass production, of which 800G 2×FR4 Rx OE has begun batch shipments to strategic customers.