What question did this study set out to answer?

The aim is to modify Hawking emission into stimulated radiation using resonance perturbations on photon geodesics.

May 12, 2026Open Access

Resonant Stimulated Emission from Black Hole Horizons

Key Points

The aim is to modify Hawking emission into stimulated radiation using resonance perturbations on photon geodesics.
Applied periodic resonance perturbation to photon geodesic equations in Schwarzschild/Kerr spacetime.
Derived corrections to the Bogoliubov coefficient in the near-horizon limit.
Computed second-order coherence for specific drive amplitude and frequency.
Identified 3:2 sub-harmonic resonance condition as optimal for maximizing stimulated emission.
Predicted second-order coherence g(2)(0) = 0.556 for drive amplitude A = 0.28 and frequency 1.35.
Proposed laboratory tests using analogue gravity systems.

Abstract

We show that a periodic resonance perturbation applied to the photon geodesic equation on Schwarzschild/Kerr spacetime modifies the Bogoliubov transformation between in and out vacuum states in a phase-locked manner, converting spontaneous thermal Hawking emission into stimulated, coherent, entangled radiation. We derive the correction to the standard Bogoliubov coefficient in the near-horizon limit, identify the 3:2 sub-harmonic resonance condition as the optimal drive frequency, and compute the predicted second-order coherence g(2)(0) = 0.556 for drive amplitude A = 0.28 and frequency 1.35. A laboratory test using analogue gravity systems is proposed. The information paradox i

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