Stable polarization self-modulation in vertical-cavity surface-emitting lasers

Hua Li; Angela Hohl; Athanasios Gavrielides; Hong Hou; Kent D. Choquette

doi:10.1063/1.121398

Stable polarization self-modulation in vertical-cavity surface-emitting lasers

Hua Li, Angela Hohl, Athanasios Gavrielides, Hong Hou, Kent D. Choquette

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

Abstract

The characteristics of polarization self-modulation in a vertical-cavity surface-emitting laser (VCSEL) were studied for frequencies up to ≈9 GHz both experimentally and theoretically. Polarization self-modulation was obtained by rotating the linearly polarized output of the VCSEL by 90° and reinjecting it into the laser. Experimentally we simultaneously recorded time traces, optical and radio-frequency spectra. We found for increasing modulation frequencies that the output characteristics changed from square-wave to sinusoidal and the VCSEL system assumed new polarization eigenstates that are different from the free-running VCSEL eigenstates. We modeled polarization self-modulation as an interband process and found a good qualitative agreement between our experimental and numerical results.

Original language	English (US)
Pages (from-to)	2355-2357
Number of pages	3
Journal	Applied Physics Letters
Volume	72
Issue number	19
DOIs	https://doi.org/10.1063/1.121398
State	Published - 1998
Externally published	Yes

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Physics and Astronomy (miscellaneous)

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10.1063/1.121398

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abstract = "The characteristics of polarization self-modulation in a vertical-cavity surface-emitting laser (VCSEL) were studied for frequencies up to ≈9 GHz both experimentally and theoretically. Polarization self-modulation was obtained by rotating the linearly polarized output of the VCSEL by 90° and reinjecting it into the laser. Experimentally we simultaneously recorded time traces, optical and radio-frequency spectra. We found for increasing modulation frequencies that the output characteristics changed from square-wave to sinusoidal and the VCSEL system assumed new polarization eigenstates that are different from the free-running VCSEL eigenstates. We modeled polarization self-modulation as an interband process and found a good qualitative agreement between our experimental and numerical results.",

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AU - Choquette, Kent D.

PY - 1998

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AB - The characteristics of polarization self-modulation in a vertical-cavity surface-emitting laser (VCSEL) were studied for frequencies up to ≈9 GHz both experimentally and theoretically. Polarization self-modulation was obtained by rotating the linearly polarized output of the VCSEL by 90° and reinjecting it into the laser. Experimentally we simultaneously recorded time traces, optical and radio-frequency spectra. We found for increasing modulation frequencies that the output characteristics changed from square-wave to sinusoidal and the VCSEL system assumed new polarization eigenstates that are different from the free-running VCSEL eigenstates. We modeled polarization self-modulation as an interband process and found a good qualitative agreement between our experimental and numerical results.

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Stable polarization self-modulation in vertical-cavity surface-emitting lasers

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