Single Transverse Mode Microcavity Laser with Ultralow Threshold

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概要

• 論文の詳細を見る

• We report on experiments with surface emitting microcavity semiconductor lasers with a mesa-like three-dimensional structure. Mode selectivity is introduced by the small diameter of the top mirror, making single transverse mode oscillation possible. This leads to a redueed threshold pump power as compared with a planar sample with the same structure; on optical pumping we observed a threshold power of about 7 μW at 4 K. The observed laser threshold and spontaneous emission coefficient were compared with the theoretical prediction, giving a reasonable agreement.

• 社団法人応用物理学会の論文
• 1993-08-15

著者

• KADOTA Yoshiaki

  NTT Opto-electronics Laboratories

• Kadota Yoshiaki

  Ntt Optoelectronics Laboratories

• YAMAMOTO Yoshihisa

  NTT Basic Research Laboratories

• HEITMANN Henrich

  NTT Basic Research Laboratories

• KAWAKAMI Tsuyoshi

  NTT Optoelectronics Laboratories

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