Carrier transport limited bandwidth of 1.55 μm quantum-well lasers
We present the first measurements of the dynamic response of InGaAs/InGaAsP multiquantum-well lasers which clearly show the effect of the carrier transport phenomena on the modulation response. Using our parasitic-free optical modulation method, we separate an intrinsic RC-like component in the freq...
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| Veröffentlicht in: | Applied physics letters 1993-01, Vol.62 (1), p.52-54 |
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| container_end_page | 54 |
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| container_issue | 1 |
| container_start_page | 52 |
| container_title | Applied physics letters |
| container_volume | 62 |
| creator | GRABMAIER, A SCHÖFTHALER, M HANGLEITER, A KAZMIERSKI, C BLEZ, M OUGAZZADEN, A |
| description | We present the first measurements of the dynamic response of InGaAs/InGaAsP multiquantum-well lasers which clearly show the effect of the carrier transport phenomena on the modulation response. Using our parasitic-free optical modulation method, we separate an intrinsic RC-like component in the frequency response from normal resonance behavior. The bandwidth is strongly limited by this low-pass rolloff that can be described by a structure-dependent transport time. It is shown that, therefore, the K factor may not be a reasonable quantity for evaluating the ultimate bandwidth. |
| doi_str_mv | 10.1063/1.108816 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 1993-01, Vol.62 (1), p.52-54 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_108816 |
| source | AIP Digital Archive |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Lasers Optics Physics Semiconductor lasers laser diodes |
| title | Carrier transport limited bandwidth of 1.55 μm quantum-well lasers |
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