微型VCSEL超低偏置脉冲产生方案的探索
Exploration of Micro-VCSEL Ultra-low Biasing Scheme for Pulse Generation
摘要：
为了检验潜在的集成方案中能量有效的信息编码原理，在商业微腔半导体激光器中探索了在超低偏压水平下产生光脉冲，从而降低能量成本。具有可接受的幅度稳定性的规则的高度非线性脉冲的序列从商业设备获得，作为通过后处理（脉冲去除）添加信息的位的潜在来源。讨论了每比特的能量消耗，以及脉冲产生的最佳频率，发现它略低于制造商宣布的阈值以上。
英文摘要：
The generation of optical pulses at ultra low bias level, thus low energy cost, is explored in a commercial microcavity semiconductor laser in view of testing the principle of energy efficient information encoding in potential integrated schemes. Sequences of regular, highly nonlinear pulses with acceptable amplitude stability are obtained from a commercial device as potential sources of bits where the information is added by post-treatment (pulse removal). A discussion on the energy expenditure per bit is offered, together with the optimal frequency for pulse generation, which is found to lie slightly below the above-threshold value declared by the manufacturer.
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