Q:

Who is this Devi?

Who is this Devi holding parrot in one hand? Kindly provide the authentic dhyana sloka.

A:

She is Sri Saradamba of Sringeri. 

Dhyana Sloka of Saradamba: (which resembles Dhyana Sloka of Dakshinamurthy as Saradamba is feminine form of Dakshinamurthy)

मुद्रामक्षगुणं सुधाढ्यकलशं विद्यां च हस्तांबुजैर्बिभ्राणाम्।
mudrāmakṣaguṇaṃ sudhāḍhyakalaśaṃ vidyāṃ ca hastāṃbujairbibhrāṇām।

