Put the salmon in a food processor with the curry paste, ginger, soy and chopped coriander. Pulse until roughly minced and combined. Shape the mixture into 4 small patties. Let the patties rest.
Prepare the salad by peeling strips of carrot and cucumber into a bowl. Toss with the vinegar, mirin and sesame oil, coating well. Sprinkle the sesame seeds over.
Steam the broccoli for 8 minutes. Meanwhile, heat the oil in a non-stick frying pan, then fry the burgers for 2-3 mins on each side, turning until crisp and cooked through. Toss the broccoli in the lemon, garlic and soy. Pop 2 stems on a plate with 2 burgers per person, and half of the salad, and a lemon wedge.