Menlo Systems’ FC1500-ULNnova: Optical Frequency Combs for a new era of ultimate precision

Jan. 26, 2023

Menlo Systems proudly introduces the FC1500-ULNnova, its latest optical frequency comb synthesizer model for ultimate performance. The core of the new model consists of the redesigned comb laser oscillator based on Menlo System’s patented ultra-low-noise (ULN) figure 9® mode locking technology. The enhanced design of this so called “nova”-oscillator results in significantly improved robustness against acoustical distortion and thermal drift. The major benefit of this novel design is a reduced free running linewidth of only 15 kHz. Owing to this leap in linewidth reduction, the FC1500-ULNnova has proven to support a frequency stability on the 10-19 level within 1 s averaging time! Its unique feature of transferring the spectral purity of a stable reference to the entire wavelength range of 500 - 2000 nm enables users to compare different optical frequency references, stabilize all CW lasers to one absolute frequency reference, and employ it as a clockwork for optical clocks.

As additional benefits for the user, the FC1500-ULNnova comes with two RF output ports for the repetition rate and its fourth harmonic, respectively, improved smooth repetition rate changes in the range of 248 MHz - 252 MHz, and an optimized mode-locking mechanism that allows for a reduced number of pump-diodes.

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About Menlo Systems:

Precision in Photonics. Together we shape light.

Menlo Systems GmbH is a leading developer and global supplier of instrumentation for high-precision metrology. The company with headquarters in the west of Munich is known for its Nobel Prize winning optical frequency comb technology. With subsidiaries in the US, Japan, and China and a global distributor network, Menlo Systems is closely connected to its customers from science and industry. The main product lines are optical frequency combs, time and frequency distribution, terahertz systems, ultrafast and ultra-stable lasers, and corresponding control electronics. Besides standard products, Menlo Systems develops and manufactures custom made solutions for laser-based precision measurements. Complete systems for quantum technology applications combine Menlo Systems' core competencies and provide the enabling technology for the Quantum Revolution 2.0.

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