Integrated Tunable DBR Laser with EA-Modulator Grown by Selective Area MOVPE

Yukio KATOH, Koji YAMADA, Tatsuo KUNII, Yoh OGAWA

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Summary :

A wavelength tunable DBR laser monolithically integrated with an EA-modulator as a WDM system light source was fabricated by selective area MOVPE growth. The lasing wavelength and band-gap energy were simultaneously controlled on the same epitaxial wafer by using a modulated grown thickness of InGaAsP/InGaAsP MQW layers. A wavelength tuning range of 3.5 nm, an output power of 3 mW, and an extinction ratio of 14 dB for 3 V were achieved. The measured 3 dB frequency bandwidth was 2 GHz. No significant change in modulation characteristics were observed when wavelength tuning by injecting the current into the DBR.

Publication
IEICE TRANSACTIONS on Electronics Vol.E80-C No.1 pp.69-73
Publication Date
1997/01/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
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