Lumentum versus Coherent

  • Lumentum is the better engine at the top of the cycle. Coherent is an average engine with a wider floor.
  • The duel is Coherent's module scale against Lumentum's chip scarcity.
  • Lumentum is one of the two merchant laser chip seller (with Broadcom), with a smaller cost base, higher pricing power, higher margins (through mix tilt to component) and less China competition. It is also ahead in OCS and CPO shipment.
  • Lumentum's exposure is operating leverage on a concentrated customer base.
  • Moat: Coherent's moat is process scale consumed internally; Lumentum's is design and process at the scarce layer, sold to everyone. Lumentum monetizes its moat in price; Coherent in volume and security of supply.
  • Customers: Lumentum has more price power per unit and more buyer concentration; Coherent has broader, longer-dated cover. A single hyperscaler's build plan is a fixed-cost event for Lumentum and a revenue wobble for Coherent.
  • Suppliers: Coherent's integration buys continuity; Lumentum buys flexibility and lighter commitments ($2.35bn). In a supply shock Coherent keeps shipping; in a demand shock Lumentum has less to unwind.
  • COHR-vs-LITE-Peer-Duel
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