diff --git a/data.lua b/data.lua
index ca33863..bc367f5 100644
--- a/data.lua
+++ b/data.lua
@@ -1,3 +1,4 @@
 require("prototypes/silica-recipe")
 require("prototypes/silicon-recipe")
+require("prototypes/optical-fiber")
 
diff --git a/graphics/icons/optical-fiber.png b/graphics/icons/optical-fiber.png
new file mode 100644
index 0000000..26845a0
Binary files /dev/null and b/graphics/icons/optical-fiber.png differ
diff --git a/locale/en/silicon.cfg b/locale/en/silicon.cfg
index cb8a9ed..dfa2ef9 100644
--- a/locale/en/silicon.cfg
+++ b/locale/en/silicon.cfg
@@ -1,23 +1,29 @@
 [entity-name]
 silica=Silica
 silicon=Silicon
+optical-fiber=Optical Fiber
 
 [item-name]
 silica=Silica
 silicon=Silicon
+optical-fiber=Optical Fiber
 
 [item-description]
 silica=Can be used directly or processed further.
 silicon=Needed for various electrical and electronic applications
+optical-fiber=Cable used for fiber optics, including circuit network.
 
 [technology-name]
 silica-processing=Silica processing
 silicon-processing=Silicon processing
+fiber-optics=Fiber optics
 
 [technology-description]
 silica-processing=Process stone brick into silica.
 silicon-processing=Process silica insto silcon.
+fiber-optics=Optical fiber for circuit network
 
 [recipe-name]
-silica=__ITEM__Silica__
-silicon=__ITEM__Silicon__
+silica=__ITEM__silica__
+silicon=__ITEM__silicon__
+optical-fiber=__ITEM__optical-fiber__
diff --git a/prototypes/optical-fiber.lua b/prototypes/optical-fiber.lua
new file mode 100644
index 0000000..6e33df3
--- /dev/null
+++ b/prototypes/optical-fiber.lua
@@ -0,0 +1,61 @@
+-- Optical Fiber
+data:extend(
+{
+  {
+    type = "item",
+    name = "optical-fiber",
+    icon = "__bzsilicon__/graphics/icons/optical-fiber.png",
+    icon_size = 32,
+    subgroup = "intermediate-product",
+    order = "a[optical-fiber]",
+    stack_size = 200
+  },
+  {
+    type = "recipe",
+    name = "optical-fiber",
+    normal = 
+    {
+      enabled = false,
+      ingredients = {{"silica", 1}},
+      result = "optical-fiber",
+      result_count = 1
+    },
+    expensive =
+    {
+      enabled = false,
+      ingredients = {{"silica", 2}},
+      result = "optical-fiber",
+      result_count = 1
+    },
+  },
+
+  {
+    type = "technology",
+    name = "fiber-optics",
+    icons =
+    {
+      { icon = "__base__/graphics/technology/optics.png", icon_size = 128 },
+      { icon = "__bzsilicon__/graphics/icons/optical-fiber.png", icon_size = 32, scale=1.5, shift={32,-48} },
+    },
+    effects =
+    {
+      {
+        type = "unlock-recipe",
+        recipe = "optical-fiber"
+      }
+    },
+    unit =
+    {
+      count = 100,
+      ingredients =
+      {
+        {"automation-science-pack", 1},
+        {"logistic-science-pack", 1},
+      },
+      time = 10
+    },
+    prerequisites = {"optics", "silica-processing"},
+    order = "b-b"
+  },
+}
+)