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物理学报. 2009, 58(3): 1694-1699.
doi: 10.7498/aps.58.1694.
载流子输运和寄生参数对隧道再生双有源区垂直腔面发射激光器调制特性的影响
- 收稿日期: 2008-07-26
- 修回日期: 2008-09-16
- 刊出日期: 2009-03-20
English Abstract
Study on the effects of carrier transport and parasitic parameters on the modulation response of tunnel regenerated vertical-cavity surface-emitting lasers with double active regions
- Received Date:
26 July 2008
- Accepted Date:
16 September 2008
- Published Online:
20 March 2009
Abstract: A rate equation model of multi-quantum wells and multi-active regions were presented. The effects of photon density and the carrier capture-escape-tunnel time on the frequency response of single active region vertical-cavity surface-emitting Laser （VCSEL） and tunnel-regenerated VCSEL with two active regions were simulated by the small signal analysis. The result of simulation shows that the modulate bandwidth of tunnel-regenerated VCSEL with two active regions is larger than that with single active region under the same drive current, then its causes are discussed. Moreover, we simulate the frequency response of the parasitic circuit of tunnel-regenerated internal-contact oxide-confined VCSEL with two active regions after analyzing its parasitic parameters.
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