The Global Compound Semiconductor Market Size is Expected to Grow from USD 43.8 Billion in 2023 to USD 121.6 Billion by 2033, at a CAGR of 10.75% during the forecast period 2023-2033. A compound semiconductor is a semiconductor made from two or more elements, providing capabilities in optoelectronics. The need for compound semiconductors (CSs) in a variety of optoelectronic and photonic devices is growing.