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Updated: Jul 9, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Broadband optical frequency comb generation with a phase-modulated parametric oscillator.

S A Diddams, L S Ma, J Ye

|December 15, 2007

Summary

We developed a new broadband optical frequency comb generator using a parametric oscillator and phase modulator. This device creates a wide 20 nm comb spanning 5.3 THz with high signal-to-noise ratio.

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Last Updated: Jul 9, 2026

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Published on: February 6, 2014

Area of Science:

Photonics and Laser Technology
Nonlinear Optics

Background:

Optical frequency combs are crucial for precision measurements.
Generating broadband combs often requires complex setups.

Purpose of the Study:

To introduce a novel, compact broadband optical frequency comb generator.
To demonstrate a comb spanning over 20 nm using a parametric oscillator.

Main Methods:

Utilized a parametric oscillator pumped by 532-nm light.
Incorporated an intracavity electro-optic phase modulator.
Leveraged mode coupling to achieve broadband generation.

Main Results:

Generated a dispersion-limited optical frequency comb spanning 20 nm (5.3 THz).
Observed a signal-to-noise ratio exceeding 30 dB in a 300-kHz bandwidth.
The comb structure was generated around both signal and idler fields.

Conclusions:

The proposed device offers a novel approach to broadband optical frequency comb generation.
The system demonstrates potential for applications requiring wide spectral coverage and high precision.