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Related papers: One-sided composite cavity on an optical nanofiber…

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We numerically report a one-sided cavity on an optical nanocapillary fiber (NCF) using a composite cavity. The composite cavity is formed by combining an optical NCF and an asymmetric defect mode grating. We design the cavity to realize the…

Quantum Physics · Physics 2025-10-07 Srinu Gadde , Jelba John , Ramachandrarao Yalla

We demonstrate cavity QED conditions in the Purcell regime for single quantum emitters on the surface of an optical nanofiber. The cavity is formed by combining an optical nanofiber and a nanofabricated grating to create a composite…

Optics · Physics 2014-10-08 Ramachandrarao Yalla , Mark Sadgrove , Kali P. Nayak , Kohzo Hakuta

We report a novel approach to the design and implementation of a tunable cavity on an optical nanofiber (ONF). The key point is to create a composite photonic crystal cavity (CPCC), by combining an ONF and a chirped period defect mode…

Optics · Physics 2020-10-27 Ramachandrarao Yalla , Kohzo Hakuta

We experimentally realized an optical nanofiber-based cavity by combining a 1-D photonic crystal and Bragg grating structures. The cavity morphology comprises a periodic, triplex air-cube introduced at the waist of the nanofiber. The cavity…

Optics · Physics 2017-08-02 Wenfang Li , Jinjin Du , Viet Giang Truong , Sile Nic Chormaic

We propose a method of trapping atoms in arrays near to the surface of a composite nanophotonic device with optimal coupling to a single cavity mode. The device, comprised of a nanofiber mounted on a grating, allows the formation of…

Quantum Physics · Physics 2017-06-28 Mark Sadgrove , Kali P. Nayak

We report the cavity quantum electrodynamics conditions using a composite photonic crystal symmetric cavity (CPCSC) on an optical nanocapillary fiber (NCF). The CPCSC is formed by combining the NCF and the symmetric defect mode…

Quantum Physics · Physics 2025-07-09 Srinu Gadde , Jelba John , Elaganuru Bashaiah , Ramachandrarao Yalla

We report the fabrication of a 1.2 cm long cavity directly on a nanofiber using femtosecond laser ablation. The cavity modes with finesse value in the range 200-400 can still maintain the transmission between 40-60%, which can enable…

Quantum Physics · Physics 2017-04-05 Jameesh Keloth , K. P. Nayak , K. Hakuta

The development of optical nanofibers (ONF) and the study and control of their optical properties when coupling atoms to their electromagnetic modes has opened new possibilities for their use in quantum optics and quantum information…

Nanofibre-based optical cavities are particularly useful for quantum optics application, such as the development of integrated single-photon sources, and for studying fundamental light-matter interactions in cavity quantum electrodynamics…

A fully on-fiber optomechanical cavity is fabricated by patterning a suspended metallic mirror on the tip of an optical fiber. Optically induced self-excited oscillations of the suspended mirror are experimentally demonstrated. We discuss…

Optics · Physics 2012-10-30 Ilya Baskin , D. Yuvaraj , Gil Bachar , Keren Shlomi , Oleg Shtempluck , Eyal Buks

A significant challenge in the development of chip-scale cavity-optomechanical devices as testbeds for quantum experiments and classical metrology lies in the coupling of light from nanoscale optical mode volumes to conventional optical…

Optics · Physics 2015-06-15 Justin D. Cohen , Sean Meenehan , Oskar Painter

Optical high-finesse cavities are a well-known mean to enhance light-matter interactions. Despite large progress in the realization of strongly coupled light-matter systems, the controlled positioning of single solid emitters in cavity…

We present a novel approach to enhance the spontaneous emission rate of single quantum emitters in an optical nanofiber-based cavity by introducing a narrow air-filled groove into the cavity. Our results show that the Purcell factor for…

Optics · Physics 2018-05-09 Wenfang Li , Jinjin Du , Síle Nic Chormaic

On-chip cavity optomechanics, in which strong co-localization of light and mechanical motion is engineered, relies on efficient coupling of light both into and out of the on-chip optical resonator. Here we detail our particular style of…

Mesoscale and Nanoscale Physics · Physics 2014-05-19 Bradley D Hauer , Paul H Kim , Callum Doolin , Allison JR MacDonald , Hugh Ramp , John P Davis

Optomechanical crystal cavities (OMCCs) are fundamental nanostructures for a wide range of phenomena and applications. Usually, optomechanical interaction in such OMCCs is limited to a single optical mode and a unique mechanical mode. In…

We demonstrate the fabrication of an optical nanofiber tip (ONFT) using a two-step chemical etching technique. This technique employs 30% and 24% hydrofluoric (HF) acid for the first and second steps, respectively. In the first step, a…

Optics · Physics 2024-06-25 Resmi M , Elaganuru Bashaiah , Ramachandrarao Yalla

We present a systematic workflow for the design of one-dimensional photonic crystal nanobeam cavities with non-zero cavity lengths. By simultaneously optimizing the lattice periodicity, air-hole geometry, and cavity length, our approach…

Cavity optomechanics allows the characterization of a vibration mode, its cooling and quantum manipulation using electromagnetic fields. Regarding nanomechanical as well as electronic properties, single wall carbon nanotubes are a…

Mesoscale and Nanoscale Physics · Physics 2020-04-06 Stefan Blien , Patrick Steger , Niklas Hüttner , Richard Graaf , Andreas K. Hüttel

A promising approach to merge atomic systems with scalable photonics has emerged recently, which consists of trapping cold atoms near tapered nanofibers. Here, we describe a novel technique to achieve strong, coherent coupling between a…

Quantum Physics · Physics 2015-06-03 D. E. Chang , L. Jiang , A. V. Gorshkov , H. J. Kimble

We demonstrate an all-fiber cavity QED system with a trapped single atom in the strong coupling regime. We use a nanofiber Fabry-Perot cavity, that is, an optical nanofiber sandwiched by two fiber-Bragg-grating mirrors. Measurements of the…

Quantum Physics · Physics 2015-08-27 Shinya Kato , Takao Aoki
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