1 Exhibit 23.5 Consent of Lerner David Littenberg Krumholz & Mentlik We hereby consent to the reference to our firm under the caption "Experts" in the Registration Statement on Form S-3 of EMCORE Corporation for the offering of shares of common stock by EMCORE Corporation and certain selling shareholders. Lerner David Littenberg Krumholz & Mentlik, LLP June 8, 1999 Westfield, New Jersey