English
Related papers

Related papers: Passively Q-switched EDFL using Fe3O4-nanoparticle…

200 papers

Raman fiber lasers (RFLs) are currently promising and versatile light sources for a variety of applications. So far, operations of high power and brightness-enhanced RFLs have absorbed enormous interests along with rapid progress.…

Optics · Physics 2021-04-21 Yizhu Chen , Tianfu Yao , Hu Xiao , Jinyong Leng , Pu Zhou

Black phosphorus is a very promising material for telecommunication due to its direct bandgap and strong resonant absorption in near-infrared wavelength range. However, ultrafast nonlinear photonic applications relying on the ultrafast…

Here we investigate the use of passive intracavity optical filters for controlling the laser output spectrum of a polarization-mode-locked, ultrafast Ytterbium fiber laser. With strategic placement of the filter cutoff frequency, the…

Optics · Physics 2023-03-22 Nicholas D. Cooper , Uyen M. Ta , Melanie A. R. Reber

We propose and analyze theoretically a double magnetic plasmon resonance nanolaser, in which Ytterbium-erbium co-doped material is used as the gain medium. Through design of the double magnetic resonance modes, pumping light (980nm) can be…

Optics · Physics 2009-11-13 Z. H. Zhu , H. Liu , S. M. Wang , T. Li , J. X. Cao , W. M. Ye , X. D. Yuan , S. N. Zhu

Nonlinear electronic excitation in laser-irradiated silicon at finite electron temperatures is numerically investigated by first-principles calculations based on the time-dependent density functional theory. In bulk silicon at finite…

Materials Science · Physics 2025-02-05 Shunsuke Yamada , Tomohito Otobe

We demonstrate nanowatt-level saturated absorption using a sub-wavelength diameter tapered optical fiber (TOF) suspended in a gas of metastable xenon atoms. This ultralow-power nonlinearity is enabled by a small optical mode area…

Optics · Physics 2015-06-17 T. B. Pittman , D. E. Jones , J. D. Franson

We report on an environmentally stable, all-PM-fibre, Er-doped, mode-locked laser with a central wavelength of 1550 nm. Significantly, the laser possesses large net-normal dispersion such that its dynamics are comparable to that of an…

Optics · Physics 2016-11-23 Patrick Bowen , Miro Erkintalo , Neil G. R. Broderick

Narrow-linewidth, compact and robust laser systems are of high interest, especially with prospects for portable quantum metrological applications. We realized an external cavity DFB-laser incorporating an intra-cavity EOM in a fully…

Optics · Physics 2025-05-23 David C. Nak , Jasper Riebesehl , Andreas Hemmerich

We demonstrate electrically pumped III-nitride edge-emitting laser diodes (LDs) with nanoporous bottom cladding. The LD structure was grown by plasma-assisted molecular beam epitaxy. Highly doped 350 nm thick GaN:Si cladding layer with Si…

We present and investigate different external cavity diode laser (ECDL) configurations for the manipulation of neutrals atoms, wavelength-stabilized by a narrow-band high transmission interference filter. A novel diode laser, providing high…

Atomic Physics · Physics 2009-11-13 M. Gilowski , Ch. Schubert , M. Zaiser , W. Herr , T. Wübbena , T. Wendrich , T. Müller , E. M. Rasel , W. Ertmer

High-Q nanophotonic resonators are crucial for many applications in classical and quantum optical processing, communication, sensing, and more. We achieve ultra-high quality factors by preparing a highly transparent and strongly dispersive…

Phonon lasers, exploiting coherent amplifications of phonons, have been a cornerstone for exploring nonlinear phononics, imaging nanomaterial structures, and operating phononic devices. Very recently, by levitating a nanosphere in an…

Trapped ions are one of the most promising approaches for the realization of a universal quantum computer. Faster quantum logic gates could dramatically improve the performance of trapped-ion quantum computers, and require the development…

A watt-level ultrahigh optical signal-to-noise ratio (OSNR) single-longitudinal-mode (SLM) tunable Brillouin fiber laser (BFL) has been demonstrated.By optimizing the length of the single mode fiber (SMF) cavity at 11m and its output ratio…

Optics · Physics 2015-06-12 Gaomeng Wang , Li Zhan , Jinmei Liu , Tao Zhang , Jun Li , Liang Zhang , Junsong Peng , Lilin Yi

Single-cycle, high-power, high-repetition-rate THz pulse sources are becoming the cornerstone of several scientific and industrial applications. A promising and versatile method for high-power THz generation is optical rectification in…

We observed electromagnetically-induced-transparency-based four-wave mixing (FWM) in the pulsed regime at low light levels. The FWM conversion efficiency of 3.8(9)% was observed in a four-level system of cold 87Rb atoms using a driving…

Quantum Physics · Physics 2014-03-05 Chang-Kai Chiu , Yi-Hsin Chen , Yen-Chun Chen , Ite A. Yu , Ying-Cheng Chen , Yong-Fan Chen

High-fidelity quantum non-demolition qubit measurement is critical to error correction and rapid qubit feedback in large-scale quantum computing. High-fidelity readout requires passing a short and strong pulse through the qubit's readout…

Low-dimensional materials, due to their versatile properties are very interesting for numerous electronics and optoelectronics applications. Recently rediscovered black phosphorus, with a graphite-like structure can be exfoliated up to the…

Emission at 4.6 um was observed from an N2O filled hollow core fiber laser. 8-ns pump pulses at 1.517 um excited a vibrational overtone resulting in lasing on an R and P branch fundamental transition from the upper pump state. At optimum…

For the first time, we demonstrated alternative generation of dispersion-managed (DM) solitons or similaritons in an all-fiber Erbium-doped laser. DM solitons or similaritons can be chosen to emit at the same output port by controlling…

Optics · Physics 2012-10-17 Junsong Peng , Li Zhan , Pan Guo , Zhaochang Gu , Weiwen Zou , Shouyu Luo , Qishun Shen