Detection Of Magneto-Optic Signals Using An External Cavity Laser Diode

Nobuhiro Fukushima; Kazunori Miura; Ippei Sawaki

doi:10.1117/12.952746

19 May 1989 Detection Of Magneto-Optic Signals Using An External Cavity Laser Diode

Nobuhiro Fukushima, Kazunori Miura, Ippei Sawaki

Proceedings Volume 1078, Optical Data Storage Topical Meeting; (1989) https://doi.org/10.1117/12.952746
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

We propose the detection of magneto-optic signals using an external cavity laser diode suitable for constructing a small optical head. A magneto-optic medium is used as one of the cavity mirrors. This method is based on detecting the frequency-shift signal, instead of the conventional amplitude-modulated signal, and is expected to raise the signal-to-noise-ratio.

Citation Download Citation

Nobuhiro Fukushima, Kazunori Miura, and Ippei Sawaki "Detection Of Magneto-Optic Signals Using An External Cavity Laser Diode", Proc. SPIE 1078, Optical Data Storage Topical Meeting, (19 May 1989); https://doi.org/10.1117/12.952746

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