How did courtly love influence Petrarch’s sonnets to Laura?

In the context of romance—literature and performance, Petrarch’s sonnets to Laura represent a distillation of the ideals of courtly love, a highly conventionalized code that prescribed the behavior of ladies and their lovers during the Middle Ages.1

Petrarch’s work reflects the courtly tradition in several key ways:

• The Unattainable Lady: Much like the courtly lover who endures the coldness of an unapproachable, high-ranking lady, the speaker in Petrarch’s Canzoniere experiences a lifelong, often unrequited obsession with Laura.213
• Love as Suffering: Petrarch adopts the courtly view of love as a form of sickness or "delightful disease," characterized by intense psychological reactions, such as the famous contrast of burning like fire and freezing like ice.21
• Idealization: The poems elevate the beloved to a status of worship, mirroring the courtly lover’s devotion to his "lady-saint," a concept influenced by both religious devotions and the troubadour tradition.1

While Petrarch utilized these established tropes, he transformed them through his own humanist lens, focusing on internal psychological analysis and moral struggle rather than merely following the rigid, codified rules of earlier medieval romance.45