Abstract

We propose a monolithic optically injection-locked laser system on one chip, without the use of an isolator. This system is based on the availability of two modes in a ring laser (clockwise, and counter-clockwise). In a ring laser whose operation is dominated by the counter-clockwise mode, the clockwise mode power is significantly reduced. Hence, the coupling between the master laser and the ring laser is highly unidirectional, due to the direction of the ring laser output. This monolithic injection locking system is predicted to exhibit a greatly enhanced resonance frequency and modulation bandwidth under ultrahigh injection locking conditions.

© 2008 IEEE

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