G Picoli, P Gravey, C Ozkul, V Vieux - Journal of Applied Physics, 1989 - pubs.aip.org
We present a new model (including both temperature and electron‐hole effects) of two‐beam coupling in photorefractive semiconductors under an external dc field E 0 . This model …
J Hou, J Zhu, R Ma, B Xue, Y Zhu, J Lin… - Laser & Photonics …, 2024 - Wiley Online Library
… Moreover, due to the high Q factor and cavity resonanceenhancement, the presence of SPG can be evidently observed in our TFLN microdisk despite the relatively small refractive …
… increase slightly at smaller wavelengths because of resonanceenhancement, this would not affect the … To probe the 2K G grating, we saw that the PR grating was written under the same …
K Walsh, AK Powell, C Stace, TJ Hall - JOSA B, 1990 - opg.optica.org
… resonantenhancement with dc fields and moving fringes is localized to thin regions within the material, as the resonance … frequencies of the photorefractivegrating. The theoretical …
AM Scott, PP Banerjee - Applied Optics, 2024 - opg.optica.org
… incident reference beam interrogating the grating at nominally Bragg resonance. In Section 3, … results, with 2D edge-enhanced images for various grating strengths. Section 5 concludes …
MP Petrov, VM Petrov, VV Bryksin, A Gerwens… - JOSA B, 1998 - opg.optica.org
… For the grating with 2 K g the resonance frequency is Ω r 2 . The term running wave (… these gratings. Generally speaking, the running gratings can be referred to as photorefractive waves…
S Köber, M Salvador, K Meerholz - Advanced Materials, 2011 - Wiley Online Library
… in the formation of photorefractivegratings in organic materials … composites and organic photorefractive glasses. State-of-the … to the necessity of a resonantenhancement of the electro-…
ME Orczyk, B Swedek, J Zieba, PN Prasad - Journal of applied physics, 1994 - pubs.aip.org
… They can be sensitized for writing of the photorefractivegratings at a desired wavelength by … being selected so that its absorption resonances are away from the working wavelength. …
… Due to their resonant character, space charge waves contribute to enhance … photorefractive effect, which is the topic of this volume, is as well based on dynamic light-induced gratings …