Generation of Flat Optical Frequency Comb Based on FM Laser Operation of Fiber Ring Laser

We obtained flat optical frequency combs by using the FM laser operation of a fiber ring laser and external intensity modulation. Extremely wide FM spectra can be easily obtained by the moderate internal phase modulation of an FM laser. We used an external intensity modulator to extract a linearly c...

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Veröffentlicht in:	IEICE Transactions on Electronics 2011/01/01, Vol.E94.C(1), pp.132-133
Hauptverfasser:	HIRANO, Masaki, YOTSUTANI, Ryosuke, MORIMOTO, Akihiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Deviation Doped-insulator lasers and other solid state lasers Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fiber lasers fiber ring laser FM laser Fundamental areas of phenomenology (including applications) Integrated optics. Optical fibers and wave guides Lasers Modulation Modulators Optical and optoelectronic circuits Optical elements, devices, and systems Optical fibers Optical frequency optical frequency comb optical phase modulator Optical processors, correlators, and modulators Optics Physics Ring lasers Spectra spectral shaping
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Zusammenfassung:	We obtained flat optical frequency combs by using the FM laser operation of a fiber ring laser and external intensity modulation. Extremely wide FM spectra can be easily obtained by the moderate internal phase modulation of an FM laser. We used an external intensity modulator to extract a linearly chirped part from the FM light in order to obtain flat spectra. In our experiments, we obtained a flat optical frequency comb with a spectral bandwidth of about 0.5THz and a power deviation of less than ±1.5dB.
ISSN:	0916-8524 1745-1353
DOI:	10.1587/transele.E94.C.132