Locking lasers with large FM noise to high-Q cavities

Lingze Duan; Kurt Gibble

doi:10.1364/OL.30.003317

Locking lasers with large FM noise to high-Q cavities

Lingze Duan, Kurt Gibble

Physics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

We demonstrate that a laser can be directly locked to a cavity when the laser linewidth is much greater than the cavity linewidth. We lock an external-cavity diode laser with more than 1 MHz of added frequency noise to a 3.5 kHz wide cavity resonance. Our analog servo acquires lock even though the laser frequency sweeps through the cavity resonance in less than the cavity buildup time. Our theoretical analysis fully describes our measurements and explains why lock can be acquired.

Original language	English (US)
Pages (from-to)	3317-3319
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	24
DOIs	https://doi.org/10.1364/OL.30.003317
State	Published - Dec 15 2005

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.30.003317

Cite this

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title = "Locking lasers with large FM noise to high-Q cavities",

abstract = "We demonstrate that a laser can be directly locked to a cavity when the laser linewidth is much greater than the cavity linewidth. We lock an external-cavity diode laser with more than 1 MHz of added frequency noise to a 3.5 kHz wide cavity resonance. Our analog servo acquires lock even though the laser frequency sweeps through the cavity resonance in less than the cavity buildup time. Our theoretical analysis fully describes our measurements and explains why lock can be acquired.",

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AB - We demonstrate that a laser can be directly locked to a cavity when the laser linewidth is much greater than the cavity linewidth. We lock an external-cavity diode laser with more than 1 MHz of added frequency noise to a 3.5 kHz wide cavity resonance. Our analog servo acquires lock even though the laser frequency sweeps through the cavity resonance in less than the cavity buildup time. Our theoretical analysis fully describes our measurements and explains why lock can be acquired.

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Locking lasers with large FM noise to high-Q cavities

Abstract

All Science Journal Classification (ASJC) codes

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