We describe thermal radiation from nonlinear (χ(3)) photonic cavities coupled to external channels and subject to incident monochromatic light. Our work extends related work on nonlinear mechanical oscillators to the problem of thermal radiation, demonstrating that bistability can enhance thermal radiation by orders of magnitude and result in strong lineshape alternations, including “super-narrow spectral peaks” occurring at the onset of kinetic phase transitions. We show that when the cavities are designed to exhibit perfect linear emissivity (rate matching), such thermally activated transitions can be exploited to dramatically tune the output power and radiative properties of the cavity, leading to a kind of Kerr-mediated thermo-optic effect. Finally, we demonstrate that in certain parameter regimes, the output radiation exhibits Stokes and anti-Stokes side peaks whose relative magnitudes can be altered by tuning the internal temperature of the cavity relative to its surroundings, a consequence of strong correlations and interference between the emitted and reflected radiation.
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13 April 2015
Research Article|
April 17 2015
Thermal radiation from optically driven Kerr (χ(3)) photonic cavities
Chinmay Khandekar;
Chinmay Khandekar
1Department of Electrical Engineering,
Princeton University
, Princeton, New Jersey 08540, USA
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Zin Lin;
Zin Lin
2School of Engineering and Applied Sciences,
Harvard University
, Cambridge, Massachusetts 02139, USA
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Alejandro W. Rodriguez
Alejandro W. Rodriguez
1Department of Electrical Engineering,
Princeton University
, Princeton, New Jersey 08540, USA
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Appl. Phys. Lett. 106, 151109 (2015)
Article history
Received:
March 12 2015
Accepted:
April 07 2015
Citation
Chinmay Khandekar, Zin Lin, Alejandro W. Rodriguez; Thermal radiation from optically driven Kerr (χ(3)) photonic cavities. Appl. Phys. Lett. 13 April 2015; 106 (15): 151109. https://doi.org/10.1063/1.4918599
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