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Conferences > IQEC > 1992 > PWe > PWe041
  • XVIII International Quantum Electronics Conference
  • Technical Digest Series (Optica Publishing Group, 1992),
  • paper PWe041

Amplitude Squeezing and Proposal of Test of Sub-Poissonian Electrical Partition Noise in Parallel Coupled Laser Diodes

A. Karlsson, G. Björk, and E. Goobar

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Abstract

The low frequency intensity fluctuations of a laser diode driven high above threshold is dominated by the fluctuations of the pump current.[1] Experimentally, by suppressing the pump noise, Richardson et. al.[2] obtained 14 dB intensity noise reduction below the standard quantum limit (SQL). Recently Björk proposed that the intensity noise of two laser diodes coupled in series with a current source featuring shot noise will be highly correlated.[3] By using the information about the intensity noise of one laser, the intensity noise of the other laser can be manipulated to go below the SQL.

© 1992 IQEC

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