English
Related papers

Related papers: A diode laser stabilization scheme for 40Ca+ singl…

200 papers

We demonstrate a technique for frequency measurements of atomic transitions with a precision of 30 kHz. The frequency is measured using a ring-cavity resonator whose length is calibrated against a reference laser locked to the $D_2$ line of…

Atomic Physics · Physics 2009-11-10 Ayan Banerjee , Dipankar Das , Vasant Natarajan

A spectrometer for ultra high-resolution spectroscopy of molecular iodine at wave length 501.7 nm, near the dissociation limit is described. Line shapes about 30 kHz wide (HWHM) were obtained using saturation spectroscopy in a pumped cell.…

State-of-the-art laser frequency stabilization is limited by miniscule length changes caused by thermal noise. In this work, a cavity-length-insensitive frequency stabilization scheme is implemented using strong dispersion in a…

Precision applications including quantum computing and sensing, mmWave/RF generation, and metrology, demand widely tunable, ultra-low phase noise lasers. Today, these experiments employ table-scale systems with bulk-optics and isolators to…

External-cavity diode lasers are ubiquitous in atomic physics and a wide variety of other scientific disciplines, due to their excellent affordability, coherence length and versatility. However, for higher power applications, the…

Instrumentation and Detectors · Physics 2021-07-08 Andrew Daffurn , Rachel F. Offer , Aidan S. Arnold

We explore the potential of direct spectroscopy of ultra-narrow optical transitions of atoms localized in an optical cavity. In contrast to stabilization against a reference cavity, which is the approach currently used for the most highly…

Quantum Physics · Physics 2015-05-28 M. J. Martin , D. Meiser , J. W. Thomsen , Jun Ye , M. J. Holland

We demonstrate a compact frequency-stabilized laser at 1064 nm using Doppler-free saturation absorption spectroscopy of molecular iodine. The achieved laser frequency stability and linewidth are 5.7 10-12 (corresponding to an uncertainty of…

Quantum Physics · Physics 2018-08-15 Kohei Ikeda , Yusuke Hisai , Kazumichi Yoshii , Hideo Kosaka , Feng-Lei Hong , Tomoyuki Horikiri

Demand for low-noise, continuous-wave, frequency-tunable lasers based on semiconductor integrated photonics has been advancing in support of numerous applications. In particular, an important goal is to achieve narrow spectral linewidth,…

We demonstrate a self-homodyne detection method to stabilize a continuous-wave 1550-nm laser to a 1-km optical fiber delay line, achieving a frequency instability of 6.3x10<sup>-15</sup> at a 16-ms averaging time. This result, limited by…

Optics · Physics 2025-02-10 Igju Jeon , Woosong Jeong , Changmin Ahn , Jungwon Kim

We demonstrate a novel compact solid-state laser source for high-resolution two-photon spectroscopy of the $1S-2S$ transition in atomic hydrogen. The source emits up to 20 mW at 243 nm and consists of a 972 nm diode laser, a tapered…

Atomic Physics · Physics 2009-11-11 N. Kolachevsky , J. Alnis , S. D. Bergeson , T. W. Haensch

In this paper, we present an experimental study of the metrological stabilization of a solid-state frequency comb for embedded metrology applications. The comb is a passively mode-locked laser diode based on InGaAs/InP Quantum-dash…

We report on a device to electronically stabilize the optical injection lock of a semiconductor diode laser. Our technique uses as discriminator the peak height of the laser's transmission signal on a scanning Fabry-Perot cavity and feeds…

Atomic Physics · Physics 2016-06-15 Brendan Saxberg , Benjamin Plotkin-Swing , Subhadeep Gupta

Quantum information processing using atomic qubits requires narrow linewidth lasers with long-term stability for high fidelity coherent manipulation of Rydberg states. In this paper, we report on the construction and characterization of…

Atomic Physics · Physics 2018-03-23 R. Legaie , C. J. Picken , J. D. Pritchard

Laser power fluctuations can significantly reduce the device performances in various applications. High frequency fluctuations impact the signal-to-noise ratio, while slow variations can reduce the device repeatability or accuracy. Here we…

Applied Physics · Physics 2018-12-05 F. Tricot , D. H. Phung , M. Lours , S. Guerandel , E. de Clercq

Precisely stabilizing laser frequency is crucial for advancing laser technology and unlocking the full potential of various quantum technologies. Here, we propose a compact device for stabilizing frequency of a semiconductor laser through…

Optics · Physics 2025-05-07 M. R. Mahani , Igor A. Nechepurenko , Yasmin Rahimof , Andreas Wicht

A phase modulated RF current source is applied to an injection locked diode laser operating at $780\unit{nm}$. This produces tunable phase modulated sidebands of the laser suitable for stabilizing the length of an optical transfer cavity…

A frequency-stabilized ultraviolet laser system, locked to the thallium resonant transition of 377.5 nm, was demonstrated using a novel bichromatic spectroscopy technique for tuning the zero-crossing laser-lock point. The atomic thallium…

Atomic Physics · Physics 2016-12-09 Tzu-Ling Chen , Chang-Yi Lin , Jow-Tsong Shy , Yi-Wei Liu

The stabilization of lasers to absolute frequency references is a fundamental requirement in several areas of atomic, molecular and optical physics. A range of techniques are available to produce a suitable reference onto which one can…

Atomic Physics · Physics 2017-09-20 Matthew Aldous , Jonathan Woods , Andrei Dragomir , Ritayan Roy , Matt Himsworth

Vapour cell spectroscopy is an essential technique in many fields; in particular, nearly all atom and ion trapping experiments rely on simultaneous spectroscopy of two atomic transitions, traditionally employing separate apparatus for each…

We demonstrate a high-stability laser offset-frequency locking technique based on a balanced filter discriminator. The beat note between two 852 nm external-cavity diode lasers is down-converted in two parallel arms using local-oscillator…

‹ Prev 1 3 4 5 6 7 10 Next ›