9/4/2023 0 Comments Faraday isolator![]() ![]() One realize a type of optical isolator using a waveplate instead of a Faraday rotator. Here, the requirement of a strong magnetic field is a major problem. However, it is hard to develop ultra-compact devices for use in photonic integrated circuits. Relatively compact low-power isolators can also be made.Power limitations arise due to thermal effects (particularly thermal lensing and depolarization) associated with parasitic absorption. ![]() Such devices can be made for operation with very high optical powers by using a sufficiently large beam area.Although each device works well only within a limited bandwidth, that bandwidth can be substantial – sufficient for a wide range of applications. Faraday isolators can be made for a wide range of optical wavelengths. ![]()
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