English
Related papers

Related papers: Tunable 300 W single-frequency 2 micron fiber ampl…

200 papers

We report on a mid-infrared mode-locked fiber laser that uses an acousto-optic tunable filter to achieve frequency-shifted feedback pulse generation with frequency tuning over a 215 nm range. The laser operates on the 3.5 ${\mu}$m…

We present hybrid-integrated extended cavity diode lasers tunable around 637 nm, with a gain-wide spectral coverage of 8 nm. This tuning range allows addressing the zero-phonon line of nitrogen vacancy centers and includes the wavelength of…

We present a passively mode-locked, tunable soliton Ho:fiber ring oscillator, optimized for seeding of Ho:YLF amplifiers. The oscillator is independently tunable in central wavelength and spectral width from 2040 nm to 2070 nm and from 5 nm…

Optics · Physics 2016-06-22 Peng Li , Axel Ruehl , Colleen Bransley , Ingmar Hartl

The true-differential superconductor on-chip amplifier has complementary outputs that float with respect to chip ground. This improves signal integrity and compatibility with the receiving semiconductor stage. Both source-terminated and…

Applied Physics · Physics 2022-03-23 Jonathan Egan , Andrew Brownfield , Quentin Herr

We report the first experimental demonstration of efficient and high-power operation of a Ti:sapphire laser pumped by a simple, compact, continuous-wave (cw) fiber-laser-based green source. The pump radiation is obtained by direct…

Optics · Physics 2010-07-23 G. K. Samanta , S. Chaitanya Kumar , Kavita Devi , M. Ebrahim-Zadeh

We demonstrate a high-power narrow-linewidth ultraviolet (UV) laser system at 318.6 nm for direct 6S1/2-nP (n = 70 to 100) Rydberg excitation of cesium atoms. Based on commercial fiber lasers and efficient nonlinear frequency conversion…

Optics · Physics 2016-09-21 Jieying Wang , Jiandong Bai , Jun He , Junmin Wang

Over sixty years ago, it was hypothesized that specially designed acoustic systems that leveraged the acoustoelectric effect between phonons and charge carriers could revolutionize radio frequency electronic systems by allowing nonlinear…

We report on an Yb:YAG thin-disk multipass amplifier delivering 50 ns long pulses at a central wavelength of 1030 nm with an energy of 330 mJ at a repetition rate of 100 Hz. The beam quality factor at the maximum energy was measured to be…

This paper presents a transformer-based three- transmission-line (Tline) series Doherty power amplifier (PA) implemented in 65-nm CMOS, targeting broadband K/Ka-band applications. By integrating an impedance-scaling network into the output…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Zheng Wang , Yifu Li , Yuchao Mei , Xinyu Sui , Qingbin Li , Xu Luo , Rui Wang , Dongxin Ni , Jian Pang

We demonstrate a single-stage, multipass Ti:sapphire amplifier capable of delivering sub-13 fs, 3.2 mJ pulses at 1 kHz repetition rate. Gaussian filters are used to suppress the gain-narrowing effect, thereby enabling the achievement of an…

A high repetition rate, picosecond THz parametric amplifier (TPA) with a LiNbO3 (LN) crystal has been demonstrated in this work. At 10 kHz repetition rate, a peak power of 200 W and an average power of 12 {\mu}W have been obtained over a…

Optics · Physics 2020-01-03 Yuting Yang , Gang Zhao , Yue Huang , Liwen Feng , Senlin Huang , Kexin Liu

We present a solid-state laser system that generates over 200 mW of continuous-wave, narrowband light, tunable from 316.3 nm - 317.7 nm and 318.0 nm - 319.3 nm. The laser is based on commercially available fiber amplifiers and optical…

In this study, we revealed the impact of the pumping scheme, fiber length, pumping power, and reflectivity of the output fiber Bragg grating on the performance of a Tm^3+ -doped fiber laser (TDFL) operating at a wavelength of 1.72 \mu m.…

Optics · Physics 2024-05-14 Mohamed Zaki , Mostafa Abouricha , Said Amrane

In this paper, we present a single crystal, KTA (potassium titanyl-arsenate, KTiOAsO$_4$) based picosecond optical parametric amplifier pumped by an in-house built 1030 nm Yb:YAG thin-disk laser, capable of tunability from 1.46 to 3.5…

In this paper, we report a new scheme to amplify a microwave signal carried on a laser light at $\lambda$=852nm. The amplification is done via a semiconductor tapered amplifier and this scheme is used to drive stimulated Raman transitions…

Atomic Physics · Physics 2015-05-18 Thomas Lévèque , Alexandre Gauguet , Walid Chaibi , Arnaud Landragin

We develop a compact four-port superconducting switch with a tunable operating frequency in the range of 4.8 GHz -- 7.3 GHz. Isolation between channel exceeds 20~dB over a bandwidth of several hundred megahertz, exceeding 40 dB at some…

Quantum Physics · Physics 2024-03-01 Julia Zotova , Alexander Semenov , Rui Wang , Yu Zhou , Oleg Astafiev , Jaw-Shen Tsai

We demonstrate efficient pulse-energy extraction from a partly-quenched erbium-doped aluminosilicate fiber amplifier. This has a high erbium-concentration, which allows for short devices with reduced nonlinear distortions, but which also…

We report on the design and numerical simulation of a tunable, near-infrared (NIR) femtosecond noncollinear optical parametric amplifier (OPA) seeded by a nonlinear fiber amplifier operating in the parabolic and gain-managed regime. With…

Optics · Physics 2023-05-08 Brittany Lu , Keith Wernsing , Sergio Carbajo

We present a design for a radio-frequency driver that leverages telecom amplifiers to achieve high power output and wide bandwidth. The design consists of two compact printed circuit boards (total area $< 255$ cm), which incorporate power…

Instrumentation and Detectors · Physics 2019-08-07 D. S. Barker , N. C. Pisenti , A. Restelli , J. Scherschligt , J. A. Fedchak , G. K. Campbell , S. Eckel

Here, we demonstrate all-fiber direct amplification of 11 picosecond pulses from a gain-switched laser diode at 1063nm. The diode was driven at a repetition rate of 40MHz and delivered 13$\mu$W of fiber-coupled average output power. For the…

Optics · Physics 2014-12-12 Manuel Ryser , Martin Neff , Soenke Pilz , Andreas Burn , Valerio Romano
‹ Prev 1 3 4 5 6 7 10 Next ›