Multigigahertz relative intensity noise of an InGaAsP laser at cryogenic temperature

Gregory E. Obarski; Donald R. Larson; Robert J. Phelan Jr.

doi:10.1117/12.236934

1 April 1996 Multigigahertz relative intensity noise of an InGaAsP laser at cryogenic temperature

Gregory E. Obarski, Donald R. Larson, Robert J. Phelan Jr.

Proceedings Volume 2684, High-Speed Semiconductor Laser Sources; (1996) https://doi.org/10.1117/12.236934
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Using a well-characterized measurement system having 22 GHz bandwidth, we show that the relative intensity noise (RIN) of a commercial InGaAsP laser (multi-longitudinal mode) operating at 77 K is significantly reduced below room temperature values over a broad frequency range. For laser operation with equal drive currents at both temperatures, a RIN reduction of as high as approximately equal to 24 dB/Hz is observed in the frequency region of relaxation oscillations, while for operation with equal power outputs the maximum reduction observed is approximately equal to 14 dB/Hz.

Citation Download Citation

Gregory E. Obarski, Donald R. Larson, and Robert J. Phelan Jr. "Multigigahertz relative intensity noise of an InGaAsP laser at cryogenic temperature", Proc. SPIE 2684, High-Speed Semiconductor Laser Sources, (1 April 1996); https://doi.org/10.1117/12.236934

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