Optical injection locking aligns the lasing wavelength and phase of high-power PCSELs to a smaller seed laser, indicating potential for efficient laser applications.
We demonstrate optical injection locking of photonic-crystal surface-emitting lasers (PCSELs). The lasing wavelength and phase of high-power PCSELs can be locked to those of a seed laser whose emission power is several orders of magnitude smaller.
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Inoue et al. (2025) studied this question.
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