An integrated laser-diode voltage driver (LDVD) making use of enhancement/depletion AlGaAs/GaAs quantum-well high electron mobility transistors (QW-HEMT's) with gate lengths of 0.3 mum has been developed. Its large signal bandwidth is 12 GHz. Eye diagrams of the output signal at bit rates up to 8 Gb/s show an opening similar to that of the input signal. Supporting material is given indicating that the LDVD might operate at bit rates up to 20 Gb/s. The maximum output current is over 90 mA; the maximum modulation voltage of 800 mV corresponds to 40-mA modulation current for a laser diode with 20-OMEGA dynamic resistance. The power consumption is less than 500 mW.
机构:
Hunan First Normal Univ, Dept Math & Phys, Changsha 410002, Hunan, Peoples R ChinaHunan First Normal Univ, Dept Math & Phys, Changsha 410002, Hunan, Peoples R China
Tang, Jiansheng
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机构:
Bhatranand, Apichai
Yang, Shujun
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机构:
Etch Product Business Grp Appl Mat Inc, Sunnyvale, CA 94085 USAHunan First Normal Univ, Dept Math & Phys, Changsha 410002, Hunan, Peoples R China
Yang, Shujun
2009 LASERS & ELECTRO-OPTICS & THE PACIFIC RIM CONFERENCE ON LASERS AND ELECTRO-OPTICS, VOLS 1 AND 2,
2009,
: 525
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