Accession Number:

ADA505917

Title:

Interband Cascade Laser Photon Noise

Descriptive Note:

Conference paper

Corporate Author:

ARMY RESEARCH LAB ADELPHI MD

Personal Author(s):

• Folkes, Patrick A.

Report Date:

2008-12-01

Pagination or Media Count:

6.0

Abstract:

We report measurements of the low-frequency photon noise and the relative intensity noise of an interband cascade laser as a function of laser current at 30 K and 100 K. Away from threshold, the laser primarily exhibits a frequency-independent photon noise spectral density in agreement with theory. At threshold, the observed photon noise spectral density exhibits large fluctuations at closely-spaced discrete frequencies. Thermal effects at 100 K result in a large increase in the photon noise above threshold.

Descriptors:

• *SEMICONDUCTORS
• *PHOTONS
• *LASERS
• RADIATIVE TRANSFER
• LOW FREQUENCY
• NOISE
• SPECTRAL ENERGY DISTRIBUTION
• QUANTUM WELLS
• MEASUREMENT
• THERMAL PROPERTIES

Subject Categories:

• Electrical and Electronic Equipment
• Lasers and Masers
• Nuclear Physics and Elementary Particle Physics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE