Three-level

Λ Configuration

• Λ-Type Three-Level: Weak Pulse, No Coupling
• Λ-Type Three-Level: Weak Pulse, With Coupling
• Λ-Type Three-Level: Weak Pulse with Coupling in a Cloud — Pulse Compression
• Λ-Type Three-Level: Weak Pulse with Time-Dependent Coupling in a Cloud — Storage and Retrieval

V Configuration

• V-Type Three-Level: 0.5π Sech Pulse, 0.5π Coupling
• V-Type Three-Level: 0.5π Sech Pulse, 1.5π Coupling — Simulton Propagation
• V-Type Three-Level: √2π Sech Pulse, √2π Coupling
• V-Type Three-Level: √8π Sech Pulse, √8π Coupling
• V-Type Three-Level: √18π Sech Pulse, √18π Coupling
• V-Type Three-Level: Solitons form Simulton
• V-Type Three-Level: Weak CW, √2π Coupling: Optical Surfer
• V-Type Three-Level: Weak CW, √4π Coupling: Double Optical Surfer

Ladder (Ξ) Configuration

• Ladder-Type Three-Level: Weak Pulse with Coupling — EIT