Due to their strong light conﬁnement, waveguides with optical nonlinearities may be a promising platform for energy-eﬃcient optical computing. Slow light can enhance a waveguide’s eﬀective nonlinearity, which could result in devices that operate in low-power regimes where quantum ﬂuctuations are important, and may also have quantum applications including squeezing and entanglement generation. In this manuscript, slow-light structures based on the Kerr (χ(3)) nonlinearity are analyzed using a semi-classical model to account for the quantum noise. We develop a hybrid split-step / Runge-Kutta numerical model to compute the mean ﬁeld and squeezing spectrum for pulses propagating down a waveguide, and use this model to study squeezing produced in optical waveguides. Scaling relations are explored, and the beneﬁts and limitations of slow light are discussed in the context of squeezing.
Ryan Hamerly, Kambiz Jamshidi, and Hideo Mabuchi, "Quantum noise in energy-efficient slow light structures for optical computing: sqeezed light from slow light," Proc. SPIE 9900, Quantum Optics, 990012 (Presented at SPIE Photonics Europe: April 07, 2016; Published: 29 April 2016); https://doi.org/10.1117/12.2227308.
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