1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statements No. 333-27507, 333-36445, 333-39547 and 333-45827 of EMCORE Corporation on Forms S-8 of our report dated May 14, 1999 appearing in this Annual Report on Form 10-K/A of EMCORE Corporation for the year ended September 30, 1998. DELOITTE & TOUCHE LLP Parsippany, New Jersey May 17, 1999